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Posted to commits@marmotta.apache.org by wi...@apache.org on 2013/02/20 08:42:44 UTC
[20/45] properly ignored files
http://git-wip-us.apache.org/repos/asf/incubator-marmotta/blob/5486b79f/platform/marmotta-sparql/target/classes/web/cm/codemirror.js
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diff --git a/platform/marmotta-sparql/target/classes/web/cm/codemirror.js b/platform/marmotta-sparql/target/classes/web/cm/codemirror.js
deleted file mode 100644
index 3f914ed..0000000
--- a/platform/marmotta-sparql/target/classes/web/cm/codemirror.js
+++ /dev/null
@@ -1,3062 +0,0 @@
-/*
- * Copyright (C) 2013 Salzburg Research.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// CodeMirror version 2.24
-//
-// All functions that need access to the editor's state live inside
-// the CodeMirror function. Below that, at the bottom of the file,
-// some utilities are defined.
-
-// CodeMirror is the only global var we claim
-var CodeMirror = (function() {
- // This is the function that produces an editor instance. Its
- // closure is used to store the editor state.
- function CodeMirror(place, givenOptions) {
- // Determine effective options based on given values and defaults.
- var options = {}, defaults = CodeMirror.defaults;
- for (var opt in defaults)
- if (defaults.hasOwnProperty(opt))
- options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt];
-
- // The element in which the editor lives.
- var wrapper = document.createElement("div");
- wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "");
- // This mess creates the base DOM structure for the editor.
- wrapper.innerHTML =
- '<div style="overflow: hidden; position: relative; width: 3px; height: 0px;">' + // Wraps and hides input textarea
- '<textarea style="position: absolute; padding: 0; width: 1px; height: 1em" wrap="off" ' +
- 'autocorrect="off" autocapitalize="off"></textarea></div>' +
- '<div class="CodeMirror-scroll" tabindex="-1">' +
- '<div style="position: relative">' + // Set to the height of the text, causes scrolling
- '<div style="position: relative">' + // Moved around its parent to cover visible view
- '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' +
- // Provides positioning relative to (visible) text origin
- '<div class="CodeMirror-lines"><div style="position: relative; z-index: 0">' +
- '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden;"></div>' +
- '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor
- '<div style="position: relative; z-index: -1"></div><div></div>' + // DIVs containing the selection and the actual code
- '</div></div></div></div></div>';
- if (place.appendChild) place.appendChild(wrapper); else place(wrapper);
- // I've never seen more elegant code in my life.
- var inputDiv = wrapper.firstChild, input = inputDiv.firstChild,
- scroller = wrapper.lastChild, code = scroller.firstChild,
- mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild,
- lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild,
- cursor = measure.nextSibling, selectionDiv = cursor.nextSibling,
- lineDiv = selectionDiv.nextSibling;
- themeChanged();
- // Needed to hide big blue blinking cursor on Mobile Safari
- if (ios) input.style.width = "0px";
- if (!webkit) lineSpace.draggable = true;
- lineSpace.style.outline = "none";
- if (options.tabindex != null) input.tabIndex = options.tabindex;
- if (options.autofocus) focusInput();
- if (!options.gutter && !options.lineNumbers) gutter.style.display = "none";
- // Needed to handle Tab key in KHTML
- if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute";
-
- // Check for problem with IE innerHTML not working when we have a
- // P (or similar) parent node.
- try { stringWidth("x"); }
- catch (e) {
- if (e.message.match(/runtime/i))
- e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)");
- throw e;
- }
-
- // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval.
- var poll = new Delayed(), highlight = new Delayed(), blinker;
-
- // mode holds a mode API object. doc is the tree of Line objects,
- // work an array of lines that should be parsed, and history the
- // undo history (instance of History constructor).
- var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused;
- loadMode();
- // The selection. These are always maintained to point at valid
- // positions. Inverted is used to remember that the user is
- // selecting bottom-to-top.
- var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false};
- // Selection-related flags. shiftSelecting obviously tracks
- // whether the user is holding shift.
- var shiftSelecting, lastClick, lastDoubleClick, lastScrollPos = 0, draggingText,
- overwrite = false, suppressEdits = false;
- // Variables used by startOperation/endOperation to track what
- // happened during the operation.
- var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone,
- gutterDirty, callbacks;
- // Current visible range (may be bigger than the view window).
- var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0;
- // bracketHighlighted is used to remember that a bracket has been
- // marked.
- var bracketHighlighted;
- // Tracks the maximum line length so that the horizontal scrollbar
- // can be kept static when scrolling.
- var maxLine = "", maxWidth;
- var tabCache = {};
-
- // Initialize the content.
- operation(function(){setValue(options.value || ""); updateInput = false;})();
- var history = new History();
-
- // Register our event handlers.
- connect(scroller, "mousedown", operation(onMouseDown));
- connect(scroller, "dblclick", operation(onDoubleClick));
- connect(lineSpace, "selectstart", e_preventDefault);
- // Gecko browsers fire contextmenu *after* opening the menu, at
- // which point we can't mess with it anymore. Context menu is
- // handled in onMouseDown for Gecko.
- if (!gecko) connect(scroller, "contextmenu", onContextMenu);
- connect(scroller, "scroll", function() {
- lastScrollPos = scroller.scrollTop;
- updateDisplay([]);
- if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px";
- if (options.onScroll) options.onScroll(instance);
- });
- connect(window, "resize", function() {updateDisplay(true);});
- connect(input, "keyup", operation(onKeyUp));
- connect(input, "input", fastPoll);
- connect(input, "keydown", operation(onKeyDown));
- connect(input, "keypress", operation(onKeyPress));
- connect(input, "focus", onFocus);
- connect(input, "blur", onBlur);
-
- if (options.dragDrop) {
- connect(lineSpace, "dragstart", onDragStart);
- function drag_(e) {
- if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return;
- e_stop(e);
- }
- connect(scroller, "dragenter", drag_);
- connect(scroller, "dragover", drag_);
- connect(scroller, "drop", operation(onDrop));
- }
- connect(scroller, "paste", function(){focusInput(); fastPoll();});
- connect(input, "paste", fastPoll);
- connect(input, "cut", operation(function(){
- if (!options.readOnly) replaceSelection("");
- }));
-
- // Needed to handle Tab key in KHTML
- if (khtml) connect(code, "mouseup", function() {
- if (document.activeElement == input) input.blur();
- focusInput();
- });
-
- // IE throws unspecified error in certain cases, when
- // trying to access activeElement before onload
- var hasFocus; try { hasFocus = (document.activeElement == input); } catch(e) { }
- if (hasFocus || options.autofocus) setTimeout(onFocus, 20);
- else onBlur();
-
- function isLine(l) {return l >= 0 && l < doc.size;}
- // The instance object that we'll return. Mostly calls out to
- // local functions in the CodeMirror function. Some do some extra
- // range checking and/or clipping. operation is used to wrap the
- // call so that changes it makes are tracked, and the display is
- // updated afterwards.
- var instance = wrapper.CodeMirror = {
- getValue: getValue,
- setValue: operation(setValue),
- getSelection: getSelection,
- replaceSelection: operation(replaceSelection),
- focus: function(){window.focus(); focusInput(); onFocus(); fastPoll();},
- setOption: function(option, value) {
- var oldVal = options[option];
- options[option] = value;
- if (option == "mode" || option == "indentUnit") loadMode();
- else if (option == "readOnly" && value == "nocursor") {onBlur(); input.blur();}
- else if (option == "readOnly" && !value) {resetInput(true);}
- else if (option == "theme") themeChanged();
- else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)();
- else if (option == "tabSize") updateDisplay(true);
- if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme") {
- gutterChanged();
- updateDisplay(true);
- }
- },
- getOption: function(option) {return options[option];},
- undo: operation(undo),
- redo: operation(redo),
- indentLine: operation(function(n, dir) {
- if (typeof dir != "string") {
- if (dir == null) dir = options.smartIndent ? "smart" : "prev";
- else dir = dir ? "add" : "subtract";
- }
- if (isLine(n)) indentLine(n, dir);
- }),
- indentSelection: operation(indentSelected),
- historySize: function() {return {undo: history.done.length, redo: history.undone.length};},
- clearHistory: function() {history = new History();},
- matchBrackets: operation(function(){matchBrackets(true);}),
- getTokenAt: operation(function(pos) {
- pos = clipPos(pos);
- return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch);
- }),
- getStateAfter: function(line) {
- line = clipLine(line == null ? doc.size - 1: line);
- return getStateBefore(line + 1);
- },
- cursorCoords: function(start, mode) {
- if (start == null) start = sel.inverted;
- return this.charCoords(start ? sel.from : sel.to, mode);
- },
- charCoords: function(pos, mode) {
- pos = clipPos(pos);
- if (mode == "local") return localCoords(pos, false);
- if (mode == "div") return localCoords(pos, true);
- return pageCoords(pos);
- },
- coordsChar: function(coords) {
- var off = eltOffset(lineSpace);
- return coordsChar(coords.x - off.left, coords.y - off.top);
- },
- markText: operation(markText),
- setBookmark: setBookmark,
- findMarksAt: findMarksAt,
- setMarker: operation(addGutterMarker),
- clearMarker: operation(removeGutterMarker),
- setLineClass: operation(setLineClass),
- hideLine: operation(function(h) {return setLineHidden(h, true);}),
- showLine: operation(function(h) {return setLineHidden(h, false);}),
- onDeleteLine: function(line, f) {
- if (typeof line == "number") {
- if (!isLine(line)) return null;
- line = getLine(line);
- }
- (line.handlers || (line.handlers = [])).push(f);
- return line;
- },
- lineInfo: lineInfo,
- addWidget: function(pos, node, scroll, vert, horiz) {
- pos = localCoords(clipPos(pos));
- var top = pos.yBot, left = pos.x;
- node.style.position = "absolute";
- code.appendChild(node);
- if (vert == "over") top = pos.y;
- else if (vert == "near") {
- var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()),
- hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft();
- if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight)
- top = pos.y - node.offsetHeight;
- if (left + node.offsetWidth > hspace)
- left = hspace - node.offsetWidth;
- }
- node.style.top = (top + paddingTop()) + "px";
- node.style.left = node.style.right = "";
- if (horiz == "right") {
- left = code.clientWidth - node.offsetWidth;
- node.style.right = "0px";
- } else {
- if (horiz == "left") left = 0;
- else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2;
- node.style.left = (left + paddingLeft()) + "px";
- }
- if (scroll)
- scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight);
- },
-
- lineCount: function() {return doc.size;},
- clipPos: clipPos,
- getCursor: function(start) {
- if (start == null) start = sel.inverted;
- return copyPos(start ? sel.from : sel.to);
- },
- somethingSelected: function() {return !posEq(sel.from, sel.to);},
- setCursor: operation(function(line, ch, user) {
- if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user);
- else setCursor(line, ch, user);
- }),
- setSelection: operation(function(from, to, user) {
- (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from));
- }),
- getLine: function(line) {if (isLine(line)) return getLine(line).text;},
- getLineHandle: function(line) {if (isLine(line)) return getLine(line);},
- setLine: operation(function(line, text) {
- if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length});
- }),
- removeLine: operation(function(line) {
- if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0}));
- }),
- replaceRange: operation(replaceRange),
- getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));},
-
- triggerOnKeyDown: operation(onKeyDown),
- execCommand: function(cmd) {return commands[cmd](instance);},
- // Stuff used by commands, probably not much use to outside code.
- moveH: operation(moveH),
- deleteH: operation(deleteH),
- moveV: operation(moveV),
- toggleOverwrite: function() {
- if(overwrite){
- overwrite = false;
- cursor.className = cursor.className.replace(" CodeMirror-overwrite", "");
- } else {
- overwrite = true;
- cursor.className += " CodeMirror-overwrite";
- }
- },
-
- posFromIndex: function(off) {
- var lineNo = 0, ch;
- doc.iter(0, doc.size, function(line) {
- var sz = line.text.length + 1;
- if (sz > off) { ch = off; return true; }
- off -= sz;
- ++lineNo;
- });
- return clipPos({line: lineNo, ch: ch});
- },
- indexFromPos: function (coords) {
- if (coords.line < 0 || coords.ch < 0) return 0;
- var index = coords.ch;
- doc.iter(0, coords.line, function (line) {
- index += line.text.length + 1;
- });
- return index;
- },
- scrollTo: function(x, y) {
- if (x != null) scroller.scrollLeft = x;
- if (y != null) scroller.scrollTop = y;
- updateDisplay([]);
- },
-
- operation: function(f){return operation(f)();},
- compoundChange: function(f){return compoundChange(f);},
- refresh: function(){
- updateDisplay(true);
- if (scroller.scrollHeight > lastScrollPos)
- scroller.scrollTop = lastScrollPos;
- },
- getInputField: function(){return input;},
- getWrapperElement: function(){return wrapper;},
- getScrollerElement: function(){return scroller;},
- getGutterElement: function(){return gutter;}
- };
-
- function getLine(n) { return getLineAt(doc, n); }
- function updateLineHeight(line, height) {
- gutterDirty = true;
- var diff = height - line.height;
- for (var n = line; n; n = n.parent) n.height += diff;
- }
-
- function setValue(code) {
- var top = {line: 0, ch: 0};
- updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length},
- splitLines(code), top, top);
- updateInput = true;
- }
- function getValue() {
- var text = [];
- doc.iter(0, doc.size, function(line) { text.push(line.text); });
- return text.join("\n");
- }
-
- function onMouseDown(e) {
- setShift(e_prop(e, "shiftKey"));
- // Check whether this is a click in a widget
- for (var n = e_target(e); n != wrapper; n = n.parentNode)
- if (n.parentNode == code && n != mover) return;
-
- // See if this is a click in the gutter
- for (var n = e_target(e); n != wrapper; n = n.parentNode)
- if (n.parentNode == gutterText) {
- if (options.onGutterClick)
- options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e);
- return e_preventDefault(e);
- }
-
- var start = posFromMouse(e);
-
- switch (e_button(e)) {
- case 3:
- if (gecko && !mac) onContextMenu(e);
- return;
- case 2:
- if (start) setCursor(start.line, start.ch, true);
- return;
- }
- // For button 1, if it was clicked inside the editor
- // (posFromMouse returning non-null), we have to adjust the
- // selection.
- if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;}
-
- if (!focused) onFocus();
-
- var now = +new Date;
- if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
- e_preventDefault(e);
- setTimeout(focusInput, 20);
- return selectLine(start.line);
- } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
- lastDoubleClick = {time: now, pos: start};
- e_preventDefault(e);
- return selectWordAt(start);
- } else { lastClick = {time: now, pos: start}; }
-
- var last = start, going;
- if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) &&
- !posLess(start, sel.from) && !posLess(sel.to, start)) {
- // Let the drag handler handle this.
- if (webkit) lineSpace.draggable = true;
- function dragEnd(e2) {
- if (webkit) lineSpace.draggable = false;
- draggingText = false;
- up(); drop();
- if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
- e_preventDefault(e2);
- setCursor(start.line, start.ch, true);
- focusInput();
- }
- }
- var up = connect(document, "mouseup", operation(dragEnd), true);
- var drop = connect(scroller, "drop", operation(dragEnd), true);
- draggingText = true;
- // IE's approach to draggable
- if (lineSpace.dragDrop) lineSpace.dragDrop();
- return;
- }
- e_preventDefault(e);
- setCursor(start.line, start.ch, true);
-
- function extend(e) {
- var cur = posFromMouse(e, true);
- if (cur && !posEq(cur, last)) {
- if (!focused) onFocus();
- last = cur;
- setSelectionUser(start, cur);
- updateInput = false;
- var visible = visibleLines();
- if (cur.line >= visible.to || cur.line < visible.from)
- going = setTimeout(operation(function(){extend(e);}), 150);
- }
- }
-
- function done(e) {
- clearTimeout(going);
- var cur = posFromMouse(e);
- if (cur) setSelectionUser(start, cur);
- e_preventDefault(e);
- focusInput();
- updateInput = true;
- move(); up();
- }
- var move = connect(document, "mousemove", operation(function(e) {
- clearTimeout(going);
- e_preventDefault(e);
- if (!ie && !e_button(e)) done(e);
- else extend(e);
- }), true);
- var up = connect(document, "mouseup", operation(done), true);
- }
- function onDoubleClick(e) {
- for (var n = e_target(e); n != wrapper; n = n.parentNode)
- if (n.parentNode == gutterText) return e_preventDefault(e);
- var start = posFromMouse(e);
- if (!start) return;
- lastDoubleClick = {time: +new Date, pos: start};
- e_preventDefault(e);
- selectWordAt(start);
- }
- function onDrop(e) {
- if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return;
- e.preventDefault();
- var pos = posFromMouse(e, true), files = e.dataTransfer.files;
- if (!pos || options.readOnly) return;
- if (files && files.length && window.FileReader && window.File) {
- function loadFile(file, i) {
- var reader = new FileReader;
- reader.onload = function() {
- text[i] = reader.result;
- if (++read == n) {
- pos = clipPos(pos);
- operation(function() {
- var end = replaceRange(text.join(""), pos, pos);
- setSelectionUser(pos, end);
- })();
- }
- };
- reader.readAsText(file);
- }
- var n = files.length, text = Array(n), read = 0;
- for (var i = 0; i < n; ++i) loadFile(files[i], i);
- }
- else {
- try {
- var text = e.dataTransfer.getData("Text");
- if (text) {
- compoundChange(function() {
- var curFrom = sel.from, curTo = sel.to;
- setSelectionUser(pos, pos);
- if (draggingText) replaceRange("", curFrom, curTo);
- replaceSelection(text);
- focusInput();
- });
- }
- }
- catch(e){}
- }
- }
- function onDragStart(e) {
- var txt = getSelection();
- e.dataTransfer.setData("Text", txt);
-
- // Use dummy image instead of default browsers image.
- if (gecko || chrome) {
- var img = document.createElement('img');
- img.scr = 'data:image/gif;base64,R0lGODdhAgACAIAAAAAAAP///ywAAAAAAgACAAACAoRRADs='; //1x1 image
- e.dataTransfer.setDragImage(img, 0, 0);
- }
- }
-
- function doHandleBinding(bound, dropShift) {
- if (typeof bound == "string") {
- bound = commands[bound];
- if (!bound) return false;
- }
- var prevShift = shiftSelecting;
- try {
- if (options.readOnly) suppressEdits = true;
- if (dropShift) shiftSelecting = null;
- bound(instance);
- } catch(e) {
- if (e != Pass) throw e;
- return false;
- } finally {
- shiftSelecting = prevShift;
- suppressEdits = false;
- }
- return true;
- }
- function handleKeyBinding(e) {
- // Handle auto keymap transitions
- var startMap = getKeyMap(options.keyMap), next = startMap.auto;
- clearTimeout(maybeTransition);
- if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
- if (getKeyMap(options.keyMap) == startMap) {
- options.keyMap = (next.call ? next.call(null, instance) : next);
- }
- }, 50);
-
- var name = keyNames[e_prop(e, "keyCode")], handled = false;
- if (name == null || e.altGraphKey) return false;
- if (e_prop(e, "altKey")) name = "Alt-" + name;
- if (e_prop(e, "ctrlKey")) name = "Ctrl-" + name;
- if (e_prop(e, "metaKey")) name = "Cmd-" + name;
-
- var stopped = false;
- function stop() { stopped = true; }
-
- if (e_prop(e, "shiftKey")) {
- handled = lookupKey("Shift-" + name, options.extraKeys, options.keyMap,
- function(b) {return doHandleBinding(b, true);}, stop)
- || lookupKey(name, options.extraKeys, options.keyMap, function(b) {
- if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(b);
- }, stop);
- } else {
- handled = lookupKey(name, options.extraKeys, options.keyMap, doHandleBinding, stop);
- }
- if (stopped) handled = false;
- if (handled) {
- e_preventDefault(e);
- if (ie) { e.oldKeyCode = e.keyCode; e.keyCode = 0; }
- }
- return handled;
- }
- function handleCharBinding(e, ch) {
- var handled = lookupKey("'" + ch + "'", options.extraKeys,
- options.keyMap, function(b) { return doHandleBinding(b, true); });
- if (handled) e_preventDefault(e);
- return handled;
- }
-
- var lastStoppedKey = null, maybeTransition;
- function onKeyDown(e) {
- if (!focused) onFocus();
- if (ie && e.keyCode == 27) { e.returnValue = false; }
- if (pollingFast) { if (readInput()) pollingFast = false; }
- if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
- var code = e_prop(e, "keyCode");
- // IE does strange things with escape.
- setShift(code == 16 || e_prop(e, "shiftKey"));
- // First give onKeyEvent option a chance to handle this.
- var handled = handleKeyBinding(e);
- if (window.opera) {
- lastStoppedKey = handled ? code : null;
- // Opera has no cut event... we try to at least catch the key combo
- if (!handled && code == 88 && e_prop(e, mac ? "metaKey" : "ctrlKey"))
- replaceSelection("");
- }
- }
- function onKeyPress(e) {
- if (pollingFast) readInput();
- if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
- var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode");
- if (window.opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
- if (((window.opera && !e.which) || khtml) && handleKeyBinding(e)) return;
- var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
- if (options.electricChars && mode.electricChars && options.smartIndent && !options.readOnly) {
- if (mode.electricChars.indexOf(ch) > -1)
- setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75);
- }
- if (handleCharBinding(e, ch)) return;
- fastPoll();
- }
- function onKeyUp(e) {
- if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return;
- if (e_prop(e, "keyCode") == 16) shiftSelecting = null;
- }
-
- function onFocus() {
- if (options.readOnly == "nocursor") return;
- if (!focused) {
- if (options.onFocus) options.onFocus(instance);
- focused = true;
- if (wrapper.className.search(/\bCodeMirror-focused\b/) == -1)
- wrapper.className += " CodeMirror-focused";
- if (!leaveInputAlone) resetInput(true);
- }
- slowPoll();
- restartBlink();
- }
- function onBlur() {
- if (focused) {
- if (options.onBlur) options.onBlur(instance);
- focused = false;
- if (bracketHighlighted)
- operation(function(){
- if (bracketHighlighted) { bracketHighlighted(); bracketHighlighted = null; }
- })();
- wrapper.className = wrapper.className.replace(" CodeMirror-focused", "");
- }
- clearInterval(blinker);
- setTimeout(function() {if (!focused) shiftSelecting = null;}, 150);
- }
-
- // Replace the range from from to to by the strings in newText.
- // Afterwards, set the selection to selFrom, selTo.
- function updateLines(from, to, newText, selFrom, selTo) {
- if (suppressEdits) return;
- if (history) {
- var old = [];
- doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); });
- history.addChange(from.line, newText.length, old);
- while (history.done.length > options.undoDepth) history.done.shift();
- }
- updateLinesNoUndo(from, to, newText, selFrom, selTo);
- }
- function unredoHelper(from, to) {
- if (!from.length) return;
- var set = from.pop(), out = [];
- for (var i = set.length - 1; i >= 0; i -= 1) {
- var change = set[i];
- var replaced = [], end = change.start + change.added;
- doc.iter(change.start, end, function(line) { replaced.push(line.text); });
- out.push({start: change.start, added: change.old.length, old: replaced});
- var pos = clipPos({line: change.start + change.old.length - 1,
- ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])});
- updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos);
- }
- updateInput = true;
- to.push(out);
- }
- function undo() {unredoHelper(history.done, history.undone);}
- function redo() {unredoHelper(history.undone, history.done);}
-
- function updateLinesNoUndo(from, to, newText, selFrom, selTo) {
- if (suppressEdits) return;
- var recomputeMaxLength = false, maxLineLength = maxLine.length;
- if (!options.lineWrapping)
- doc.iter(from.line, to.line + 1, function(line) {
- if (line.text.length == maxLineLength) {recomputeMaxLength = true; return true;}
- });
- if (from.line != to.line || newText.length > 1) gutterDirty = true;
-
- var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line);
- // First adjust the line structure, taking some care to leave highlighting intact.
- if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") {
- // This is a whole-line replace. Treated specially to make
- // sure line objects move the way they are supposed to.
- var added = [], prevLine = null;
- if (from.line) {
- prevLine = getLine(from.line - 1);
- prevLine.fixMarkEnds(lastLine);
- } else lastLine.fixMarkStarts();
- for (var i = 0, e = newText.length - 1; i < e; ++i)
- added.push(Line.inheritMarks(newText[i], prevLine));
- if (nlines) doc.remove(from.line, nlines, callbacks);
- if (added.length) doc.insert(from.line, added);
- } else if (firstLine == lastLine) {
- if (newText.length == 1)
- firstLine.replace(from.ch, to.ch, newText[0]);
- else {
- lastLine = firstLine.split(to.ch, newText[newText.length-1]);
- firstLine.replace(from.ch, null, newText[0]);
- firstLine.fixMarkEnds(lastLine);
- var added = [];
- for (var i = 1, e = newText.length - 1; i < e; ++i)
- added.push(Line.inheritMarks(newText[i], firstLine));
- added.push(lastLine);
- doc.insert(from.line + 1, added);
- }
- } else if (newText.length == 1) {
- firstLine.replace(from.ch, null, newText[0]);
- lastLine.replace(null, to.ch, "");
- firstLine.append(lastLine);
- doc.remove(from.line + 1, nlines, callbacks);
- } else {
- var added = [];
- firstLine.replace(from.ch, null, newText[0]);
- lastLine.replace(null, to.ch, newText[newText.length-1]);
- firstLine.fixMarkEnds(lastLine);
- for (var i = 1, e = newText.length - 1; i < e; ++i)
- added.push(Line.inheritMarks(newText[i], firstLine));
- if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks);
- doc.insert(from.line + 1, added);
- }
- if (options.lineWrapping) {
- var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3);
- doc.iter(from.line, from.line + newText.length, function(line) {
- if (line.hidden) return;
- var guess = Math.ceil(line.text.length / perLine) || 1;
- if (guess != line.height) updateLineHeight(line, guess);
- });
- } else {
- doc.iter(from.line, from.line + newText.length, function(line) {
- var l = line.text;
- if (l.length > maxLineLength) {
- maxLine = l; maxLineLength = l.length; maxWidth = null;
- recomputeMaxLength = false;
- }
- });
- if (recomputeMaxLength) {
- maxLineLength = 0; maxLine = ""; maxWidth = null;
- doc.iter(0, doc.size, function(line) {
- var l = line.text;
- if (l.length > maxLineLength) {
- maxLineLength = l.length; maxLine = l;
- }
- });
- }
- }
-
- // Add these lines to the work array, so that they will be
- // highlighted. Adjust work lines if lines were added/removed.
- var newWork = [], lendiff = newText.length - nlines - 1;
- for (var i = 0, l = work.length; i < l; ++i) {
- var task = work[i];
- if (task < from.line) newWork.push(task);
- else if (task > to.line) newWork.push(task + lendiff);
- }
- var hlEnd = from.line + Math.min(newText.length, 500);
- highlightLines(from.line, hlEnd);
- newWork.push(hlEnd);
- work = newWork;
- startWorker(100);
- // Remember that these lines changed, for updating the display
- changes.push({from: from.line, to: to.line + 1, diff: lendiff});
- var changeObj = {from: from, to: to, text: newText};
- if (textChanged) {
- for (var cur = textChanged; cur.next; cur = cur.next) {}
- cur.next = changeObj;
- } else textChanged = changeObj;
-
- // Update the selection
- function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;}
- setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line));
-
- // Make sure the scroll-size div has the correct height.
- if (scroller.clientHeight)
- code.style.height = (doc.height * textHeight() + 2 * paddingTop()) + "px";
- }
-
- function replaceRange(code, from, to) {
- from = clipPos(from);
- if (!to) to = from; else to = clipPos(to);
- code = splitLines(code);
- function adjustPos(pos) {
- if (posLess(pos, from)) return pos;
- if (!posLess(to, pos)) return end;
- var line = pos.line + code.length - (to.line - from.line) - 1;
- var ch = pos.ch;
- if (pos.line == to.line)
- ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0));
- return {line: line, ch: ch};
- }
- var end;
- replaceRange1(code, from, to, function(end1) {
- end = end1;
- return {from: adjustPos(sel.from), to: adjustPos(sel.to)};
- });
- return end;
- }
- function replaceSelection(code, collapse) {
- replaceRange1(splitLines(code), sel.from, sel.to, function(end) {
- if (collapse == "end") return {from: end, to: end};
- else if (collapse == "start") return {from: sel.from, to: sel.from};
- else return {from: sel.from, to: end};
- });
- }
- function replaceRange1(code, from, to, computeSel) {
- var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length;
- var newSel = computeSel({line: from.line + code.length - 1, ch: endch});
- updateLines(from, to, code, newSel.from, newSel.to);
- }
-
- function getRange(from, to) {
- var l1 = from.line, l2 = to.line;
- if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch);
- var code = [getLine(l1).text.slice(from.ch)];
- doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
- code.push(getLine(l2).text.slice(0, to.ch));
- return code.join("\n");
- }
- function getSelection() {
- return getRange(sel.from, sel.to);
- }
-
- var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll
- function slowPoll() {
- if (pollingFast) return;
- poll.set(options.pollInterval, function() {
- startOperation();
- readInput();
- if (focused) slowPoll();
- endOperation();
- });
- }
- function fastPoll() {
- var missed = false;
- pollingFast = true;
- function p() {
- startOperation();
- var changed = readInput();
- if (!changed && !missed) {missed = true; poll.set(60, p);}
- else {pollingFast = false; slowPoll();}
- endOperation();
- }
- poll.set(20, p);
- }
-
- // Previnput is a hack to work with IME. If we reset the textarea
- // on every change, that breaks IME. So we look for changes
- // compared to the previous content instead. (Modern browsers have
- // events that indicate IME taking place, but these are not widely
- // supported or compatible enough yet to rely on.)
- var prevInput = "";
- function readInput() {
- if (leaveInputAlone || !focused || hasSelection(input) || options.readOnly) return false;
- var text = input.value;
- if (text == prevInput) return false;
- shiftSelecting = null;
- var same = 0, l = Math.min(prevInput.length, text.length);
- while (same < l && prevInput[same] == text[same]) ++same;
- if (same < prevInput.length)
- sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)};
- else if (overwrite && posEq(sel.from, sel.to))
- sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))};
- replaceSelection(text.slice(same), "end");
- prevInput = text;
- return true;
- }
- function resetInput(user) {
- if (!posEq(sel.from, sel.to)) {
- prevInput = "";
- input.value = getSelection();
- selectInput(input);
- } else if (user) prevInput = input.value = "";
- }
-
- function focusInput() {
- if (options.readOnly != "nocursor") input.focus();
- }
-
- function scrollEditorIntoView() {
- if (!cursor.getBoundingClientRect) return;
- var rect = cursor.getBoundingClientRect();
- // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden
- if (ie && rect.top == rect.bottom) return;
- var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight);
- if (rect.top < 0 || rect.bottom > winH) cursor.scrollIntoView();
- }
- function scrollCursorIntoView() {
- var cursor = localCoords(sel.inverted ? sel.from : sel.to);
- var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x;
- return scrollIntoView(x, cursor.y, x, cursor.yBot);
- }
- function scrollIntoView(x1, y1, x2, y2) {
- var pl = paddingLeft(), pt = paddingTop();
- y1 += pt; y2 += pt; x1 += pl; x2 += pl;
- var screen = scroller.clientHeight, screentop = scroller.scrollTop, scrolled = false, result = true;
- if (y1 < screentop) {scroller.scrollTop = Math.max(0, y1); scrolled = true;}
- else if (y2 > screentop + screen) {scroller.scrollTop = y2 - screen; scrolled = true;}
-
- var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft;
- var gutterw = options.fixedGutter ? gutter.clientWidth : 0;
- var atLeft = x1 < gutterw + pl + 10;
- if (x1 < screenleft + gutterw || atLeft) {
- if (atLeft) x1 = 0;
- scroller.scrollLeft = Math.max(0, x1 - 10 - gutterw);
- scrolled = true;
- }
- else if (x2 > screenw + screenleft - 3) {
- scroller.scrollLeft = x2 + 10 - screenw;
- scrolled = true;
- if (x2 > code.clientWidth) result = false;
- }
- if (scrolled && options.onScroll) options.onScroll(instance);
- return result;
- }
-
- function visibleLines() {
- var lh = textHeight(), top = scroller.scrollTop - paddingTop();
- var fromHeight = Math.max(0, Math.floor(top / lh));
- var toHeight = Math.ceil((top + scroller.clientHeight) / lh);
- return {from: lineAtHeight(doc, fromHeight),
- to: lineAtHeight(doc, toHeight)};
- }
- // Uses a set of changes plus the current scroll position to
- // determine which DOM updates have to be made, and makes the
- // updates.
- function updateDisplay(changes, suppressCallback) {
- if (!scroller.clientWidth) {
- showingFrom = showingTo = displayOffset = 0;
- return;
- }
- // Compute the new visible window
- var visible = visibleLines();
- // Bail out if the visible area is already rendered and nothing changed.
- if (changes !== true && changes.length == 0 && visible.from > showingFrom && visible.to < showingTo) return;
- var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100);
- if (showingFrom < from && from - showingFrom < 20) from = showingFrom;
- if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo);
-
- // Create a range of theoretically intact lines, and punch holes
- // in that using the change info.
- var intact = changes === true ? [] :
- computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes);
- // Clip off the parts that won't be visible
- var intactLines = 0;
- for (var i = 0; i < intact.length; ++i) {
- var range = intact[i];
- if (range.from < from) {range.domStart += (from - range.from); range.from = from;}
- if (range.to > to) range.to = to;
- if (range.from >= range.to) intact.splice(i--, 1);
- else intactLines += range.to - range.from;
- }
- if (intactLines == to - from && from == showingFrom && to == showingTo) return;
- intact.sort(function(a, b) {return a.domStart - b.domStart;});
-
- var th = textHeight(), gutterDisplay = gutter.style.display;
- lineDiv.style.display = "none";
- patchDisplay(from, to, intact);
- lineDiv.style.display = gutter.style.display = "";
-
- // Position the mover div to align with the lines it's supposed
- // to be showing (which will cover the visible display)
- var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th;
- // This is just a bogus formula that detects when the editor is
- // resized or the font size changes.
- if (different) lastSizeC = scroller.clientHeight + th;
- showingFrom = from; showingTo = to;
- displayOffset = heightAtLine(doc, from);
- mover.style.top = (displayOffset * th) + "px";
- if (scroller.clientHeight)
- code.style.height = (doc.height * th + 2 * paddingTop()) + "px";
-
- // Since this is all rather error prone, it is honoured with the
- // only assertion in the whole file.
- if (lineDiv.childNodes.length != showingTo - showingFrom)
- throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) +
- " nodes=" + lineDiv.childNodes.length);
-
- function checkHeights() {
- maxWidth = scroller.clientWidth;
- var curNode = lineDiv.firstChild, heightChanged = false;
- doc.iter(showingFrom, showingTo, function(line) {
- if (!line.hidden) {
- var height = Math.round(curNode.offsetHeight / th) || 1;
- if (line.height != height) {
- updateLineHeight(line, height);
- gutterDirty = heightChanged = true;
- }
- }
- curNode = curNode.nextSibling;
- });
- if (heightChanged)
- code.style.height = (doc.height * th + 2 * paddingTop()) + "px";
- return heightChanged;
- }
-
- if (options.lineWrapping) {
- checkHeights();
- } else {
- if (maxWidth == null) maxWidth = stringWidth(maxLine);
- if (maxWidth > scroller.clientWidth) {
- lineSpace.style.width = maxWidth + "px";
- // Needed to prevent odd wrapping/hiding of widgets placed in here.
- code.style.width = "";
- code.style.width = scroller.scrollWidth + "px";
- } else {
- lineSpace.style.width = code.style.width = "";
- }
- }
-
- gutter.style.display = gutterDisplay;
- if (different || gutterDirty) {
- // If the gutter grew in size, re-check heights. If those changed, re-draw gutter.
- updateGutter() && options.lineWrapping && checkHeights() && updateGutter();
- }
- updateSelection();
- if (!suppressCallback && options.onUpdate) options.onUpdate(instance);
- return true;
- }
-
- function computeIntact(intact, changes) {
- for (var i = 0, l = changes.length || 0; i < l; ++i) {
- var change = changes[i], intact2 = [], diff = change.diff || 0;
- for (var j = 0, l2 = intact.length; j < l2; ++j) {
- var range = intact[j];
- if (change.to <= range.from && change.diff)
- intact2.push({from: range.from + diff, to: range.to + diff,
- domStart: range.domStart});
- else if (change.to <= range.from || change.from >= range.to)
- intact2.push(range);
- else {
- if (change.from > range.from)
- intact2.push({from: range.from, to: change.from, domStart: range.domStart});
- if (change.to < range.to)
- intact2.push({from: change.to + diff, to: range.to + diff,
- domStart: range.domStart + (change.to - range.from)});
- }
- }
- intact = intact2;
- }
- return intact;
- }
-
- function patchDisplay(from, to, intact) {
- // The first pass removes the DOM nodes that aren't intact.
- if (!intact.length) lineDiv.innerHTML = "";
- else {
- function killNode(node) {
- var tmp = node.nextSibling;
- node.parentNode.removeChild(node);
- return tmp;
- }
- var domPos = 0, curNode = lineDiv.firstChild, n;
- for (var i = 0; i < intact.length; ++i) {
- var cur = intact[i];
- while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;}
- for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;}
- }
- while (curNode) curNode = killNode(curNode);
- }
- // This pass fills in the lines that actually changed.
- var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from;
- var scratch = document.createElement("div");
- doc.iter(from, to, function(line) {
- if (nextIntact && nextIntact.to == j) nextIntact = intact.shift();
- if (!nextIntact || nextIntact.from > j) {
- if (line.hidden) var html = scratch.innerHTML = "<pre></pre>";
- else {
- var html = '<pre' + (line.className ? ' class="' + line.className + '"' : '') + '>'
- + line.getHTML(makeTab) + '</pre>';
- // Kludge to make sure the styled element lies behind the selection (by z-index)
- if (line.bgClassName)
- html = '<div style="position: relative"><pre class="' + line.bgClassName +
- '" style="position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"> </pre>' + html + "</div>";
- }
- scratch.innerHTML = html;
- lineDiv.insertBefore(scratch.firstChild, curNode);
- } else {
- curNode = curNode.nextSibling;
- }
- ++j;
- });
- }
-
- function updateGutter() {
- if (!options.gutter && !options.lineNumbers) return;
- var hText = mover.offsetHeight, hEditor = scroller.clientHeight;
- gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px";
- var html = [], i = showingFrom, normalNode;
- doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) {
- if (line.hidden) {
- html.push("<pre></pre>");
- } else {
- var marker = line.gutterMarker;
- var text = options.lineNumbers ? i + options.firstLineNumber : null;
- if (marker && marker.text)
- text = marker.text.replace("%N%", text != null ? text : "");
- else if (text == null)
- text = "\u00a0";
- html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text);
- for (var j = 1; j < line.height; ++j) html.push("<br/> ");
- html.push("</pre>");
- if (!marker) normalNode = i;
- }
- ++i;
- });
- gutter.style.display = "none";
- gutterText.innerHTML = html.join("");
- // Make sure scrolling doesn't cause number gutter size to pop
- if (normalNode != null) {
- var node = gutterText.childNodes[normalNode - showingFrom];
- var minwidth = String(doc.size).length, val = eltText(node), pad = "";
- while (val.length + pad.length < minwidth) pad += "\u00a0";
- if (pad) node.insertBefore(document.createTextNode(pad), node.firstChild);
- }
- gutter.style.display = "";
- var resized = Math.abs((parseInt(lineSpace.style.marginLeft) || 0) - gutter.offsetWidth) > 2;
- lineSpace.style.marginLeft = gutter.offsetWidth + "px";
- gutterDirty = false;
- return resized;
- }
- function updateSelection() {
- var collapsed = posEq(sel.from, sel.to);
- var fromPos = localCoords(sel.from, true);
- var toPos = collapsed ? fromPos : localCoords(sel.to, true);
- var headPos = sel.inverted ? fromPos : toPos, th = textHeight();
- var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv);
- inputDiv.style.top = Math.max(0, Math.min(scroller.offsetHeight, headPos.y + lineOff.top - wrapOff.top)) + "px";
- inputDiv.style.left = Math.max(0, Math.min(scroller.offsetWidth, headPos.x + lineOff.left - wrapOff.left)) + "px";
- if (collapsed) {
- cursor.style.top = headPos.y + "px";
- cursor.style.left = (options.lineWrapping ? Math.min(headPos.x, lineSpace.offsetWidth) : headPos.x) + "px";
- cursor.style.display = "";
- selectionDiv.style.display = "none";
- } else {
- var sameLine = fromPos.y == toPos.y, html = "";
- var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth;
- var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight;
- function add(left, top, right, height) {
- var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px"
- : "right: " + right + "px";
- html += '<div class="CodeMirror-selected" style="position: absolute; left: ' + left +
- 'px; top: ' + top + 'px; ' + rstyle + '; height: ' + height + 'px"></div>';
- }
- if (sel.from.ch && fromPos.y >= 0) {
- var right = sameLine ? clientWidth - toPos.x : 0;
- add(fromPos.x, fromPos.y, right, th);
- }
- var middleStart = Math.max(0, fromPos.y + (sel.from.ch ? th : 0));
- var middleHeight = Math.min(toPos.y, clientHeight) - middleStart;
- if (middleHeight > 0.2 * th)
- add(0, middleStart, 0, middleHeight);
- if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th)
- add(0, toPos.y, clientWidth - toPos.x, th);
- selectionDiv.innerHTML = html;
- cursor.style.display = "none";
- selectionDiv.style.display = "";
- }
- }
-
- function setShift(val) {
- if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from);
- else shiftSelecting = null;
- }
- function setSelectionUser(from, to) {
- var sh = shiftSelecting && clipPos(shiftSelecting);
- if (sh) {
- if (posLess(sh, from)) from = sh;
- else if (posLess(to, sh)) to = sh;
- }
- setSelection(from, to);
- userSelChange = true;
- }
- // Update the selection. Last two args are only used by
- // updateLines, since they have to be expressed in the line
- // numbers before the update.
- function setSelection(from, to, oldFrom, oldTo) {
- goalColumn = null;
- if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;}
- if (posEq(sel.from, from) && posEq(sel.to, to)) return;
- if (posLess(to, from)) {var tmp = to; to = from; from = tmp;}
-
- // Skip over hidden lines.
- if (from.line != oldFrom) {
- var from1 = skipHidden(from, oldFrom, sel.from.ch);
- // If there is no non-hidden line left, force visibility on current line
- if (!from1) setLineHidden(from.line, false);
- else from = from1;
- }
- if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch);
-
- if (posEq(from, to)) sel.inverted = false;
- else if (posEq(from, sel.to)) sel.inverted = false;
- else if (posEq(to, sel.from)) sel.inverted = true;
-
- if (options.autoClearEmptyLines && posEq(sel.from, sel.to)) {
- var head = sel.inverted ? from : to;
- if (head.line != sel.from.line && sel.from.line < doc.size) {
- var oldLine = getLine(sel.from.line);
- if (/^\s+$/.test(oldLine.text))
- setTimeout(operation(function() {
- if (oldLine.parent && /^\s+$/.test(oldLine.text)) {
- var no = lineNo(oldLine);
- replaceRange("", {line: no, ch: 0}, {line: no, ch: oldLine.text.length});
- }
- }, 10));
- }
- }
-
- sel.from = from; sel.to = to;
- selectionChanged = true;
- }
- function skipHidden(pos, oldLine, oldCh) {
- function getNonHidden(dir) {
- var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1;
- while (lNo != end) {
- var line = getLine(lNo);
- if (!line.hidden) {
- var ch = pos.ch;
- if (toEnd || ch > oldCh || ch > line.text.length) ch = line.text.length;
- return {line: lNo, ch: ch};
- }
- lNo += dir;
- }
- }
- var line = getLine(pos.line);
- var toEnd = pos.ch == line.text.length && pos.ch != oldCh;
- if (!line.hidden) return pos;
- if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1);
- else return getNonHidden(-1) || getNonHidden(1);
- }
- function setCursor(line, ch, user) {
- var pos = clipPos({line: line, ch: ch || 0});
- (user ? setSelectionUser : setSelection)(pos, pos);
- }
-
- function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));}
- function clipPos(pos) {
- if (pos.line < 0) return {line: 0, ch: 0};
- if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length};
- var ch = pos.ch, linelen = getLine(pos.line).text.length;
- if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
- else if (ch < 0) return {line: pos.line, ch: 0};
- else return pos;
- }
-
- function findPosH(dir, unit) {
- var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch;
- var lineObj = getLine(line);
- function findNextLine() {
- for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) {
- var lo = getLine(l);
- if (!lo.hidden) { line = l; lineObj = lo; return true; }
- }
- }
- function moveOnce(boundToLine) {
- if (ch == (dir < 0 ? 0 : lineObj.text.length)) {
- if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0;
- else return false;
- } else ch += dir;
- return true;
- }
- if (unit == "char") moveOnce();
- else if (unit == "column") moveOnce(true);
- else if (unit == "word") {
- var sawWord = false;
- for (;;) {
- if (dir < 0) if (!moveOnce()) break;
- if (isWordChar(lineObj.text.charAt(ch))) sawWord = true;
- else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;}
- if (dir > 0) if (!moveOnce()) break;
- }
- }
- return {line: line, ch: ch};
- }
- function moveH(dir, unit) {
- var pos = dir < 0 ? sel.from : sel.to;
- if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit);
- setCursor(pos.line, pos.ch, true);
- }
- function deleteH(dir, unit) {
- if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to);
- else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to);
- else replaceRange("", sel.from, findPosH(dir, unit));
- userSelChange = true;
- }
- var goalColumn = null;
- function moveV(dir, unit) {
- var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true);
- if (goalColumn != null) pos.x = goalColumn;
- if (unit == "page") dist = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight);
- else if (unit == "line") dist = textHeight();
- var target = coordsChar(pos.x, pos.y + dist * dir + 2);
- if (unit == "page") scroller.scrollTop += localCoords(target, true).y - pos.y;
- setCursor(target.line, target.ch, true);
- goalColumn = pos.x;
- }
-
- function selectWordAt(pos) {
- var line = getLine(pos.line).text;
- var start = pos.ch, end = pos.ch;
- while (start > 0 && isWordChar(line.charAt(start - 1))) --start;
- while (end < line.length && isWordChar(line.charAt(end))) ++end;
- setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end});
- }
- function selectLine(line) {
- setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0}));
- }
- function indentSelected(mode) {
- if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode);
- var e = sel.to.line - (sel.to.ch ? 0 : 1);
- for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode);
- }
-
- function indentLine(n, how) {
- if (!how) how = "add";
- if (how == "smart") {
- if (!mode.indent) how = "prev";
- else var state = getStateBefore(n);
- }
-
- var line = getLine(n), curSpace = line.indentation(options.tabSize),
- curSpaceString = line.text.match(/^\s*/)[0], indentation;
- if (how == "prev") {
- if (n) indentation = getLine(n-1).indentation(options.tabSize);
- else indentation = 0;
- }
- else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text);
- else if (how == "add") indentation = curSpace + options.indentUnit;
- else if (how == "subtract") indentation = curSpace - options.indentUnit;
- indentation = Math.max(0, indentation);
- var diff = indentation - curSpace;
-
- if (!diff) {
- if (sel.from.line != n && sel.to.line != n) return;
- var indentString = curSpaceString;
- }
- else {
- var indentString = "", pos = 0;
- if (options.indentWithTabs)
- for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";}
- while (pos < indentation) {++pos; indentString += " ";}
- }
-
- replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length});
- }
-
- function loadMode() {
- mode = CodeMirror.getMode(options, options.mode);
- doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
- work = [0];
- startWorker();
- }
- function gutterChanged() {
- var visible = options.gutter || options.lineNumbers;
- gutter.style.display = visible ? "" : "none";
- if (visible) gutterDirty = true;
- else lineDiv.parentNode.style.marginLeft = 0;
- }
- function wrappingChanged(from, to) {
- if (options.lineWrapping) {
- wrapper.className += " CodeMirror-wrap";
- var perLine = scroller.clientWidth / charWidth() - 3;
- doc.iter(0, doc.size, function(line) {
- if (line.hidden) return;
- var guess = Math.ceil(line.text.length / perLine) || 1;
- if (guess != 1) updateLineHeight(line, guess);
- });
- lineSpace.style.width = code.style.width = "";
- } else {
- wrapper.className = wrapper.className.replace(" CodeMirror-wrap", "");
- maxWidth = null; maxLine = "";
- doc.iter(0, doc.size, function(line) {
- if (line.height != 1 && !line.hidden) updateLineHeight(line, 1);
- if (line.text.length > maxLine.length) maxLine = line.text;
- });
- }
- changes.push({from: 0, to: doc.size});
- }
- function makeTab(col) {
- var w = options.tabSize - col % options.tabSize, cached = tabCache[w];
- if (cached) return cached;
- for (var str = '<span class="cm-tab">', i = 0; i < w; ++i) str += " ";
- return (tabCache[w] = {html: str + "</span>", width: w});
- }
- function themeChanged() {
- scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") +
- options.theme.replace(/(^|\s)\s*/g, " cm-s-");
- }
-
- function TextMarker() { this.set = []; }
- TextMarker.prototype.clear = operation(function() {
- var min = Infinity, max = -Infinity;
- for (var i = 0, e = this.set.length; i < e; ++i) {
- var line = this.set[i], mk = line.marked;
- if (!mk || !line.parent) continue;
- var lineN = lineNo(line);
- min = Math.min(min, lineN); max = Math.max(max, lineN);
- for (var j = 0; j < mk.length; ++j)
- if (mk[j].marker == this) mk.splice(j--, 1);
- }
- if (min != Infinity)
- changes.push({from: min, to: max + 1});
- });
- TextMarker.prototype.find = function() {
- var from, to;
- for (var i = 0, e = this.set.length; i < e; ++i) {
- var line = this.set[i], mk = line.marked;
- for (var j = 0; j < mk.length; ++j) {
- var mark = mk[j];
- if (mark.marker == this) {
- if (mark.from != null || mark.to != null) {
- var found = lineNo(line);
- if (found != null) {
- if (mark.from != null) from = {line: found, ch: mark.from};
- if (mark.to != null) to = {line: found, ch: mark.to};
- }
- }
- }
- }
- }
- return {from: from, to: to};
- };
-
- function markText(from, to, className) {
- from = clipPos(from); to = clipPos(to);
- var tm = new TextMarker();
- if (!posLess(from, to)) return tm;
- function add(line, from, to, className) {
- getLine(line).addMark(new MarkedText(from, to, className, tm));
- }
- if (from.line == to.line) add(from.line, from.ch, to.ch, className);
- else {
- add(from.line, from.ch, null, className);
- for (var i = from.line + 1, e = to.line; i < e; ++i)
- add(i, null, null, className);
- add(to.line, null, to.ch, className);
- }
- changes.push({from: from.line, to: to.line + 1});
- return tm;
- }
-
- function setBookmark(pos) {
- pos = clipPos(pos);
- var bm = new Bookmark(pos.ch);
- getLine(pos.line).addMark(bm);
- return bm;
- }
-
- function findMarksAt(pos) {
- pos = clipPos(pos);
- var markers = [], marked = getLine(pos.line).marked;
- if (!marked) return markers;
- for (var i = 0, e = marked.length; i < e; ++i) {
- var m = marked[i];
- if ((m.from == null || m.from <= pos.ch) &&
- (m.to == null || m.to >= pos.ch))
- markers.push(m.marker || m);
- }
- return markers;
- }
-
- function addGutterMarker(line, text, className) {
- if (typeof line == "number") line = getLine(clipLine(line));
- line.gutterMarker = {text: text, style: className};
- gutterDirty = true;
- return line;
- }
- function removeGutterMarker(line) {
- if (typeof line == "number") line = getLine(clipLine(line));
- line.gutterMarker = null;
- gutterDirty = true;
- }
-
- function changeLine(handle, op) {
- var no = handle, line = handle;
- if (typeof handle == "number") line = getLine(clipLine(handle));
- else no = lineNo(handle);
- if (no == null) return null;
- if (op(line, no)) changes.push({from: no, to: no + 1});
- else return null;
- return line;
- }
- function setLineClass(handle, className, bgClassName) {
- return changeLine(handle, function(line) {
- if (line.className != className || line.bgClassName != bgClassName) {
- line.className = className;
- line.bgClassName = bgClassName;
- return true;
- }
- });
- }
- function setLineHidden(handle, hidden) {
- return changeLine(handle, function(line, no) {
- if (line.hidden != hidden) {
- line.hidden = hidden;
- updateLineHeight(line, hidden ? 0 : 1);
- var fline = sel.from.line, tline = sel.to.line;
- if (hidden && (fline == no || tline == no)) {
- var from = fline == no ? skipHidden({line: fline, ch: 0}, fline, 0) : sel.from;
- var to = tline == no ? skipHidden({line: tline, ch: 0}, tline, 0) : sel.to;
- // Can't hide the last visible line, we'd have no place to put the cursor
- if (!to) return;
- setSelection(from, to);
- }
- return (gutterDirty = true);
- }
- });
- }
-
- function lineInfo(line) {
- if (typeof line == "number") {
- if (!isLine(line)) return null;
- var n = line;
- line = getLine(line);
- if (!line) return null;
- }
- else {
- var n = lineNo(line);
- if (n == null) return null;
- }
- var marker = line.gutterMarker;
- return {line: n, handle: line, text: line.text, markerText: marker && marker.text,
- markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName};
- }
-
- function stringWidth(str) {
- measure.innerHTML = "<pre><span>x</span></pre>";
- measure.firstChild.firstChild.firstChild.nodeValue = str;
- return measure.firstChild.firstChild.offsetWidth || 10;
- }
- // These are used to go from pixel positions to character
- // positions, taking varying character widths into account.
- function charFromX(line, x) {
- if (x <= 0) return 0;
- var lineObj = getLine(line), text = lineObj.text;
- function getX(len) {
- return measureLine(lineObj, len).left;
- }
- var from = 0, fromX = 0, to = text.length, toX;
- // Guess a suitable upper bound for our search.
- var estimated = Math.min(to, Math.ceil(x / charWidth()));
- for (;;) {
- var estX = getX(estimated);
- if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
- else {toX = estX; to = estimated; break;}
- }
- if (x > toX) return to;
- // Try to guess a suitable lower bound as well.
- estimated = Math.floor(to * 0.8); estX = getX(estimated);
- if (estX < x) {from = estimated; fromX = estX;}
- // Do a binary search between these bounds.
- for (;;) {
- if (to - from <= 1) return (toX - x > x - fromX) ? from : to;
- var middle = Math.ceil((from + to) / 2), middleX = getX(middle);
- if (middleX > x) {to = middle; toX = middleX;}
- else {from = middle; fromX = middleX;}
- }
- }
-
- var tempId = "CodeMirror-temp-" + Math.floor(Math.random() * 0xffffff).toString(16);
- function measureLine(line, ch) {
- if (ch == 0) return {top: 0, left: 0};
- var wbr = options.lineWrapping && ch < line.text.length &&
- spanAffectsWrapping.test(line.text.slice(ch - 1, ch + 1));
- measure.innerHTML = "<pre>" + line.getHTML(makeTab, ch, tempId, wbr) + "</pre>";
- var elt = document.getElementById(tempId);
- var top = elt.offsetTop, left = elt.offsetLeft;
- // Older IEs report zero offsets for spans directly after a wrap
- if (ie && top == 0 && left == 0) {
- var backup = document.createElement("span");
- backup.innerHTML = "x";
- elt.parentNode.insertBefore(backup, elt.nextSibling);
- top = backup.offsetTop;
- }
- return {top: top, left: left};
- }
- function localCoords(pos, inLineWrap) {
- var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0));
- if (pos.ch == 0) x = 0;
- else {
- var sp = measureLine(getLine(pos.line), pos.ch);
- x = sp.left;
- if (options.lineWrapping) y += Math.max(0, sp.top);
- }
- return {x: x, y: y, yBot: y + lh};
- }
- // Coords must be lineSpace-local
- function coordsChar(x, y) {
- if (y < 0) y = 0;
- var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th);
- var lineNo = lineAtHeight(doc, heightPos);
- if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length};
- var lineObj = getLine(lineNo), text = lineObj.text;
- var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0;
- if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0};
- function getX(len) {
- var sp = measureLine(lineObj, len);
- if (tw) {
- var off = Math.round(sp.top / th);
- return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth);
- }
- return sp.left;
- }
- var from = 0, fromX = 0, to = text.length, toX;
- // Guess a suitable upper bound for our search.
- var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw));
- for (;;) {
- var estX = getX(estimated);
- if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2));
- else {toX = estX; to = estimated; break;}
- }
- if (x > toX) return {line: lineNo, ch: to};
- // Try to guess a suitable lower bound as well.
- estimated = Math.floor(to * 0.8); estX = getX(estimated);
- if (estX < x) {from = estimated; fromX = estX;}
- // Do a binary search between these bounds.
- for (;;) {
- if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to};
- var middle = Math.ceil((from + to) / 2), middleX = getX(middle);
- if (middleX > x) {to = middle; toX = middleX;}
- else {from = middle; fromX = middleX;}
- }
- }
- function pageCoords(pos) {
- var local = localCoords(pos, true), off = eltOffset(lineSpace);
- return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot};
- }
-
- var cachedHeight, cachedHeightFor, measureText;
- function textHeight() {
- if (measureText == null) {
- measureText = "<pre>";
- for (var i = 0; i < 49; ++i) measureText += "x<br/>";
- measureText += "x</pre>";
- }
- var offsetHeight = lineDiv.clientHeight;
- if (offsetHeight == cachedHeightFor) return cachedHeight;
- cachedHeightFor = offsetHeight;
- measure.innerHTML = measureText;
- cachedHeight = measure.firstChild.offsetHeight / 50 || 1;
- measure.innerHTML = "";
- return cachedHeight;
- }
- var cachedWidth, cachedWidthFor = 0;
- function charWidth() {
- if (scroller.clientWidth == cachedWidthFor) return cachedWidth;
- cachedWidthFor = scroller.clientWidth;
- return (cachedWidth = stringWidth("x"));
- }
- function paddingTop() {return lineSpace.offsetTop;}
- function paddingLeft() {return lineSpace.offsetLeft;}
-
- function posFromMouse(e, liberal) {
- var offW = eltOffset(scroller, true), x, y;
- // Fails unpredictably on IE[67] when mouse is dragged around quickly.
- try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
- // This is a mess of a heuristic to try and determine whether a
- // scroll-bar was clicked or not, and to return null if one was
- // (and !liberal).
- if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight))
- return null;
- var offL = eltOffset(lineSpace, true);
- return coordsChar(x - offL.left, y - offL.top);
- }
- function onContextMenu(e) {
- var pos = posFromMouse(e), scrollPos = scroller.scrollTop;
- if (!pos || window.opera) return; // Opera is difficult.
- if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
- operation(setCursor)(pos.line, pos.ch);
-
- var oldCSS = input.style.cssText;
- inputDiv.style.position = "absolute";
- input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
- "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " +
- "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
- leaveInputAlone = true;
- var val = input.value = getSelection();
- focusInput();
- selectInput(input);
- function rehide() {
- var newVal = splitLines(input.value).join("\n");
- if (newVal != val) operation(replaceSelection)(newVal, "end");
- inputDiv.style.position = "relative";
- input.style.cssText = oldCSS;
- if (ie_lt9) scroller.scrollTop = scrollPos;
- leaveInputAlone = false;
- resetInput(true);
- slowPoll();
- }
-
- if (gecko) {
- e_stop(e);
- var mouseup = connect(window, "mouseup", function() {
- mouseup();
- setTimeout(rehide, 20);
- }, true);
- } else {
- setTimeout(rehide, 50);
- }
- }
-
- // Cursor-blinking
- function restartBlink() {
- clearInterval(blinker);
- var on = true;
- cursor.style.visibility = "";
- blinker = setInterval(function() {
- cursor.style.visibility = (on = !on) ? "" : "hidden";
- }, 650);
- }
-
- var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
- function matchBrackets(autoclear) {
- var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1;
- var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
- if (!match) return;
- var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles;
- for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2)
- if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;}
-
- var stack = [line.text.charAt(pos)], re = /[(){}[\]]/;
- function scan(line, from, to) {
- if (!line.text) return;
- var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur;
- for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) {
- var text = st[i];
- if (st[i+1] != null && st[i+1] != style) {pos += d * text.length; continue;}
- for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) {
- if (pos >= from && pos < to && re.test(cur = text.charAt(j))) {
- var match = matching[cur];
- if (match.charAt(1) == ">" == forward) stack.push(cur);
- else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false};
- else if (!stack.length) return {pos: pos, match: true};
- }
- }
- }
- }
- for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) {
- var line = getLine(i), first = i == head.line;
- var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length);
- if (found) break;
- }
- if (!found) found = {pos: null, match: false};
- var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
- var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style),
- two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style);
- var clear = operation(function(){one.clear(); two && two.clear();});
- if (autoclear) setTimeout(clear, 800);
- else bracketHighlighted = clear;
- }
-
- // Finds the line to start with when starting a parse. Tries to
- // find a line with a stateAfter, so that it can start with a
- // valid state. If that fails, it returns the line with the
- // smallest indentation, which tends to need the least context to
- // parse correctly.
- function findStartLine(n) {
- var minindent, minline;
- for (var search = n, lim = n - 40; search > lim; --search) {
- if (search == 0) return 0;
- var line = getLine(search-1);
- if (line.stateAfter) return search;
- var indented = line.indentation(options.tabSize);
- if (minline == null || minindent > indented) {
- minline = search - 1;
- minindent = indented;
- }
- }
- return minline;
- }
- function getStateBefore(n) {
- var start = findStartLine(n), state = start && getLine(start-1).stateAfter;
- if (!state) state = startState(mode);
- else state = copyState(mode, state);
- doc.iter(start, n, function(line) {
- line.highlight(mode, state, options.tabSize);
- line.stateAfter = copyState(mode, state);
- });
- if (start < n) changes.push({from: start, to: n});
- if (n < doc.size && !getLine(n).stateAfter) work.push(n);
- return state;
- }
- function highlightLines(start, end) {
- var state = getStateBefore(start);
- doc.iter(start, end, function(line) {
- line.highlight(mode, state, options.tabSize);
- line.stateAfter = copyState(mode, state);
- });
- }
- function highlightWorker() {
- var end = +new Date + options.workTime;
- var foundWork = work.length;
- while (work.length) {
- if (!getLine(showingFrom).stateAfter) var task = showingFrom;
- else var task = work.pop();
- if (task >= doc.size) continue;
- var start = findStartLine(task), state = start && getLine(start-1).stateAfter;
- if (state) state = copyState(mode, state);
- else state = startState(mode);
-
- var unchanged = 0, compare = mode.compareStates, realChange = false,
- i = start, bail = false;
- doc.iter(i, doc.size, function(line) {
- var hadState = line.stateAfter;
- if (+new Date > end) {
- work.push(i);
- startWorker(options.workDelay);
- if (realChange) changes.push({from: task, to: i + 1});
- return (bail = true);
- }
- var changed = line.highlight(mode, state, options.tabSize);
- if (changed) realChange = true;
- line.stateAfter = copyState(mode, state);
- var done = null;
- if (compare) {
- var same = hadState && compare(hadState, state);
- if (same != Pass) done = !!same;
- }
- if (done == null) {
- if (changed !== false || !hadState) unchanged = 0;
- else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, "")))
- done = true;
- }
- if (done) return true;
- ++i;
- });
- if (bail) return;
- if (realChange) changes.push({from: task, to: i + 1});
- }
- if (foundWork && options.onHighlightComplete)
- options.onHighlightComplete(instance);
- }
- function startWorker(time) {
- if (!work.length) return;
- highlight.set(time, operation(highlightWorker));
- }
-
- // Operations are used to wrap changes in such a way that each
- // change won't have to update the cursor and display (which would
- // be awkward, slow, and error-prone), but instead updates are
- // batched and then all combined and executed at once.
- function startOperation() {
- updateInput = userSelChange = textChanged = null;
- changes = []; selectionChanged = false; callbacks = [];
- }
- function endOperation() {
- var reScroll = false, updated;
- if (selectionChanged) reScroll = !scrollCursorIntoView();
- if (changes.length) updated = updateDisplay(changes, true);
- else {
- if (selectionChanged) updateSelection();
- if (gutterDirty) updateGutter();
- }
- if (reScroll) scrollCursorIntoView();
- if (selectionChanged) {scrollEditorIntoView(); restartBlink();}
-
- if (focused && !leaveInputAlone &&
- (updateInput === true || (updateInput !== false && selectionChanged)))
- resetInput(userSelChange);
-
- if (selectionChanged && options.matchBrackets)
- setTimeout(operation(function() {
- if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;}
- if (posEq(sel.from, sel.to)) matchBrackets(false);
- }), 20);
- var tc = textChanged, cbs = callbacks; // these can be reset by callbacks
- if (selectionChanged && options.onCursorActivity)
- options.onCursorActivity(instance);
- if (tc && options.onChange && instance)
- options.onChange(instance, tc);
- for (var i = 0; i < cbs.length; ++i) cbs[i](instance);
- if (updated && options.onUpdate) options.onUpdate(instance);
- }
- var nestedOperation = 0;
- function operation(f) {
- return function() {
- if (!nestedOperation++) startOperation();
- try {var result = f.apply(this, arguments);}
- finally {if (!--nestedOperation) endOperation();}
- return result;
- };
- }
-
- function compoundChange(f) {
- history.startCompound();
- try { return f(); } finally { history.endCompound(); }
- }
-
- for (var ext in extensions)
- if (extensions.propertyIsEnumerable(ext) &&
- !instance.propertyIsEnumerable(ext))
- instance[ext] = extensions[ext];
- return instance;
- } // (end of function CodeMirror)
-
- // The default configuration options.
- CodeMirror.defaults = {
- value: "",
- mode: null,
- theme: "default",
- indentUnit: 2,
- indentWithTabs: false,
- smartIndent: true,
- tabSize: 4,
- keyMap: "default",
- extraKeys: null,
- electricChars: true,
- autoClearEmptyLines: false,
- onKeyEvent: null,
- onDragEvent: null,
- lineWrapping: false,
- lineNumbers: false,
- gutter: false,
- fixedGutter: false,
- firstLineNumber: 1,
- readOnly: false,
- dragDrop: true,
- onChange: null,
- onCursorActivity: null,
- onGutterClick: null,
- onHighlightComplete: null,
- onUpdate: null,
- onFocus: null, onBlur: null, onScroll: null,
- matchBrackets: false,
- workTime: 100,
- workDelay: 200,
- pollInterval: 100,
- undoDepth: 40,
- tabindex: null,
- autofocus: null
- };
-
- var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
- var mac = ios || /Mac/.test(navigator.platform);
- var win = /Win/.test(navigator.platform);
-
- // Known modes, by name and by MIME
- var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
- CodeMirror.defineMode = function(name, mode) {
- if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
- if (arguments.length > 2) {
- mode.dependencies = [];
- for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
- }
- modes[name] = mode;
- };
- CodeMirror.defineMIME = function(mime, spec) {
- mimeModes[mime] = spec;
- };
- CodeMirror.resolveMode = function(spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
- spec = mimeModes[spec];
- else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec))
- return CodeMirror.resolveMode("application/xml");
- if (typeof spec == "string") return {name: spec};
- else return spec || {name: "null"};
- };
- CodeMirror.getMode = function(options, spec) {
- var spec = CodeMirror.resolveMode(spec);
- var mfactory = modes[spec.name];
- if (!mfactory) return CodeMirror.getMode(options, "text/plain");
- return mfactory(options, spec);
- };
- CodeMirror.listModes = function() {
- var list = [];
- for (var m in modes)
- if (modes.propertyIsEnumerable(m)) list.push(m);
- return list;
- };
- CodeMirror.listMIMEs = function() {
- var list = [];
- for (var m in mimeModes)
- if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]});
- return list;
- };
-
- var extensions = CodeMirror.extensions = {};
- CodeMirror.defineExtension = function(name, func) {
- extensions[name] = func;
- };
-
- var commands = CodeMirror.commands = {
- selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});},
- killLine: function(cm) {
- var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
- if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0});
- else cm.replaceRange("", from, sel ? to : {line: from.line});
- },
- deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});},
- undo: function(cm) {cm.undo();},
- redo: function(cm) {cm.redo();},
- goDocStart: function(cm) {cm.setCursor(0, 0, true);},
- goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);},
- goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);},
- goLineStartSmart: function(cm) {
- var cur = cm.getCursor();
- var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/));
- cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true);
- },
- goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);},
- goLineUp: function(cm) {cm.moveV(-1, "line");},
- goLineDown: function(cm) {cm.moveV(1, "line");},
- goPageUp: function(cm) {cm.moveV(-1, "page");},
- goPageDown: function(cm) {cm.moveV(1, "page");},
- goCharLeft: function(cm) {cm.moveH(-1, "char");},
- goCharRight: function(cm) {cm.moveH(1, "char");},
- goColumnLeft: function(cm) {cm.moveH(-1, "column");},
- goColumnRight: function(cm) {cm.moveH(1, "column");},
- goWordLeft: function(cm) {cm.moveH(-1, "word");},
- goWordRight: function(cm) {cm.moveH(1, "word");},
- delCharLeft: function(cm) {cm.deleteH(-1, "char");},
- delCharRight: function(cm) {cm.deleteH(1, "char");},
- delWordLeft: function(cm) {cm.deleteH(-1, "word");},
- delWordRight: function(cm) {cm.deleteH(1, "word");},
- indentAuto: function(cm) {cm.indentSelection("smart");},
- indentMore: function(cm) {cm.indentSelection("add");},
- indentLess: function(cm) {cm.indentSelection("subtract");},
- insertTab: function(cm) {cm.replaceSelection("\t", "end");},
- transposeChars: function(cm) {
- var cur = cm.getCursor(), line = cm.getLine(cur.line);
- if (cur.ch > 0 && cur.ch < line.length - 1)
- cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
- {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1});
- },
- newlineAndIndent: function(cm) {
- cm.replaceSelection("\n", "end");
- cm.indentLine(cm.getCursor().line);
- },
- toggleOverwrite: function(cm) {cm.toggleOverwrite();}
- };
-
- var keyMap = CodeMirror.keyMap = {};
- keyMap.basic = {
- "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
- "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
- "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "insertTab", "Shift-Tab": "indentAuto",
- "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
- };
- // Note that the save and find-related commands aren't defined by
- // default. Unknown commands are simply ignored.
- keyMap.pcDefault = {
- "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
- "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
- "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
- "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find",
- "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceA
<TRUNCATED>