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Posted to commits@corinthia.apache.org by ja...@apache.org on 2015/08/14 15:23:06 UTC
[45/84] [partial] incubator-corinthia git commit: Moved experimentel
code to /experiments
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/8eda56a5/Editor/src/Position.js
----------------------------------------------------------------------
diff --git a/Editor/src/Position.js b/Editor/src/Position.js
deleted file mode 100644
index ce4bc18..0000000
--- a/Editor/src/Position.js
+++ /dev/null
@@ -1,1164 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements. See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership. The ASF licenses this file
-// to you 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.
-
-var Position;
-var Position_assertValid;
-var Position_prev;
-var Position_next;
-var Position_trackWhileExecuting;
-var Position_closestActualNode;
-var Position_okForInsertion;
-var Position_okForMovement;
-var Position_prevMatch;
-var Position_nextMatch;
-var Position_closestMatchForwards;
-var Position_closestMatchBackwards;
-var Position_track;
-var Position_untrack;
-var Position_rectAtPos;
-var Position_noteAncestor;
-var Position_captionAncestor;
-var Position_figureOrTableAncestor;
-var Position_displayRectAtPos;
-var Position_preferTextPosition;
-var Position_preferElementPosition;
-var Position_compare;
-var Position_atPoint;
-
-(function() {
-
- // public
- Position = function(node,offset)
- {
- if (node == document.documentElement)
- throw new Error("node is root element");
- Object.defineProperty(this,"self",{value: {}});
- var self = this.self;
- self.this = this;
- self.node = node;
- self.offset = offset;
- self.origOffset = offset;
- self.tracking = 0;
- this.posId = null;
- this.targetX = null;
-
- Object.defineProperty(this,"node",{
- get: function() { return this.self.node },
- set: setNode,
- enumerable: true });
- Object.defineProperty(this,"offset",{
- get: function() { return this.self.offset },
- set: function(value) { this.self.offset = value },
- enumerable: true});
- Object.defineProperty(this,"origOffset",{
- get: function() { return this.self.origOffset },
- set: function(value) { this.self.origOffset = value },
- enumerable: true});
-
- Object.preventExtensions(this);
- }
-
- function actuallyStartTracking(self)
- {
- DOM_addTrackedPosition(self.this);
- }
-
- function actuallyStopTracking(self)
- {
- DOM_removeTrackedPosition(self.this);
- }
-
- function startTracking(self)
- {
- if (self.tracking == 0)
- actuallyStartTracking(self);
- self.tracking++;
- }
-
- function stopTracking(self)
- {
- self.tracking--;
- if (self.tracking == 0)
- actuallyStopTracking(self);
- }
-
- function setNode(node)
- {
- var self = this.self;
- if (self.tracking > 0)
- actuallyStopTracking(self);
-
- self.node = node;
-
- if (self.tracking > 0)
- actuallyStartTracking(self);
- }
-
- function setNodeAndOffset(self,node,offset)
- {
- self.this.node = node;
- self.this.offset = offset;
- }
-
- // public
- Position.prototype.toString = function()
- {
- var self = this.self;
- var result;
- if (self.node.nodeType == Node.TEXT_NODE) {
- var extra = "";
- if (self.offset > self.node.nodeValue.length) {
- for (var i = self.node.nodeValue.length; i < self.offset; i++)
- extra += "!";
- }
- var id = "";
- if (window.debugIds)
- id = self.node._nodeId+":";
- result = id+JSON.stringify(self.node.nodeValue.slice(0,self.offset)+extra+"|"+
- self.node.nodeValue.slice(self.offset));
- }
- else {
- result = "("+nodeString(self.node)+","+self.offset+")";
- }
- if (this.posId != null)
- result = "["+this.posId+"]"+result;
- return result;
- }
-
- function positionSpecial(pos,forwards,backwards)
- {
- var node = pos.node;
- var offset = pos.offset;
-
- var prev = node.childNodes[offset-1];
- var next = node.childNodes[offset];
-
- // Moving left from the start of a caption - go to the end of the table
- if ((node._type == HTML_CAPTION) && backwards && (prev == null))
- return new Position(node.parentNode,node.parentNode.childNodes.length);
-
- // Moving right from the end of a caption - go after the table
- if ((node._type == HTML_CAPTION) && forwards && (next == null))
- return new Position(node.parentNode.parentNode,DOM_nodeOffset(node.parentNode)+1);
-
- // Moving left from just after a table - go to the end of the caption (if there is one)
- if ((prev != null) && (prev._type == HTML_TABLE) && backwards) {
- var firstChild = firstChildElement(prev);
- if ((firstChild._type == HTML_CAPTION))
- return new Position(firstChild,firstChild.childNodes.length);
- }
-
- // Moving right from just before a table - bypass the the caption (if there is one)
- if ((next != null) && (next._type == HTML_TABLE) && forwards) {
- var firstChild = firstChildElement(next);
- if (firstChild._type == HTML_CAPTION)
- return new Position(next,DOM_nodeOffset(firstChild)+1);
- }
-
- // Moving right from the end of a table - go to the start of the caption (if there is one)
- if ((node._type == HTML_TABLE) && (next == null) && forwards) {
- var firstChild = firstChildElement(node);
- if (firstChild._type == HTML_CAPTION)
- return new Position(firstChild,0);
- }
-
- // Moving left just after a caption node - skip the caption
- if ((prev != null) && (prev._type == HTML_CAPTION) && backwards)
- return new Position(node,offset-1);
-
- return null;
- }
-
- // public
- Position_assertValid = function(pos,description)
- {
- if (description == null)
- description = "Position";
-
- for (var ancestor = pos.node; ancestor != document.body; ancestor = ancestor.parentNode) {
- if (ancestor == null)
- throw new Error(description+" node "+pos.node.nodeName+" is not in tree");
- }
-
- var max;
- if (pos.node.nodeType == Node.ELEMENT_NODE)
- max = pos.node.childNodes.length;
- else if (pos.node.nodeType == Node.TEXT_NODE)
- max = pos.node.nodeValue.length;
- else
- throw new Error(description+" has invalid node type "+pos.node.nodeType);
-
- if ((pos.offset < 0) || (pos.offset > max)) {
- throw new Error(description+" (in "+pos.node.nodeName+") has invalid offset "+
- pos.offset+" (max allowed is "+max+")");
- }
- }
-
- // public
- Position_prev = function(pos)
- {
- if (pos.node.nodeType == Node.ELEMENT_NODE) {
- var r = positionSpecial(pos,false,true);
- if (r != null)
- return r;
- if (pos.offset == 0) {
- return upAndBack(pos);
- }
- else {
- var child = pos.node.childNodes[pos.offset-1];
- return new Position(child,DOM_maxChildOffset(child));
- }
- }
- else if (pos.node.nodeType == Node.TEXT_NODE) {
- if (pos.offset > 0)
- return new Position(pos.node,pos.offset-1);
- else
- return upAndBack(pos);
- }
- else {
- return null;
- }
-
- function upAndBack(pos)
- {
- if (pos.node == pos.node.ownerDocument.body)
- return null;
- else
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node));
- }
- }
-
- // public
- Position_next = function(pos)
- {
- if (pos.node.nodeType == Node.ELEMENT_NODE) {
- var r = positionSpecial(pos,true,false);
- if (r != null)
- return r;
- if (pos.offset == pos.node.childNodes.length)
- return upAndForwards(pos);
- else
- return new Position(pos.node.childNodes[pos.offset],0);
- }
- else if (pos.node.nodeType == Node.TEXT_NODE) {
- if (pos.offset < pos.node.nodeValue.length)
- return new Position(pos.node,pos.offset+1);
- else
- return upAndForwards(pos);
- }
- else {
- return null;
- }
-
- function upAndForwards(pos)
- {
- if (pos.node == pos.node.ownerDocument.body)
- return null;
- else
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node)+1);
- }
- }
-
- // public
- Position_trackWhileExecuting = function(positions,fun)
- {
- for (var i = 0; i < positions.length; i++)
- startTracking(positions[i].self);
- try {
- return fun();
- }
- finally {
- for (var i = 0; i < positions.length; i++)
- stopTracking(positions[i].self);
- }
- }
-
- // public
- Position_closestActualNode = function(pos,preferElement)
- {
- var node = pos.node;
- var offset = pos.offset;
- if ((node.nodeType != Node.ELEMENT_NODE) || (node.firstChild == null))
- return node;
- else if (offset == 0)
- return node.firstChild;
- else if (offset >= node.childNodes.length)
- return node.lastChild;
-
- var prev = node.childNodes[offset-1];
- var next = node.childNodes[offset];
- if (preferElement &&
- (next.nodeType != Node.ELEMENT_NODE) &&
- (prev.nodeType == Node.ELEMENT_NODE)) {
- return prev;
- }
- else {
- return next;
- }
- }
-
- // public
- Position_okForInsertion = function(pos)
- {
- return Position_okForMovement(pos,true);
- }
-
- function nodeCausesLineBreak(node)
- {
- return ((node._type == HTML_BR) || !isInlineNode(node));
- }
-
- function spacesUntilNextContent(node)
- {
- var spaces = 0;
- while (true) {
- if (node.firstChild) {
- node = node.firstChild;
- }
- else if (node.nextSibling) {
- node = node.nextSibling;
- }
- else {
- while ((node.parentNode != null) && (node.parentNode.nextSibling == null)) {
- node = node.parentNode;
- if (nodeCausesLineBreak(node))
- return null;
- }
- if (node.parentNode == null)
- node = null;
- else
- node = node.parentNode.nextSibling;
- }
-
- if ((node == null) || nodeCausesLineBreak(node))
- return null;
- if (isOpaqueNode(node))
- return spaces;
- if (node.nodeType == Node.TEXT_NODE) {
- if (isWhitespaceTextNode(node)) {
- spaces += node.nodeValue.length;
- }
- else {
- var matches = node.nodeValue.match(/^\s+/);
- if (matches == null)
- return spaces;
- spaces += matches[0].length;
- return spaces;
- }
- }
- }
- }
-
- // public
- Position_okForMovement = function(pos,insertion)
- {
- var node = pos.node;
- var offset = pos.offset;
- var type = node._type;
-
- if (isOpaqueNode(node))
- return false;
-
- for (var ancestor = node; ancestor != null; ancestor = ancestor.parentNode) {
- var ancestorType = node._type;
- if (ancestorType == HTML_FIGCAPTION)
- break;
- else if (ancestorType == HTML_FIGURE)
- return false;
- }
-
- if (node.nodeType == Node.TEXT_NODE) {
- var value = node.nodeValue;
-
- // If there are multiple adjacent text nodes, consider them as one (adjusting the
- // offset appropriately)
-
- var firstNode = node;
- var lastNode = node;
-
- while ((firstNode.previousSibling != null) &&
- (firstNode.previousSibling.nodeType == Node.TEXT_NODE)) {
- firstNode = firstNode.previousSibling;
- value = firstNode.nodeValue + value;
- offset += firstNode.nodeValue.length;
- }
-
- while ((lastNode.nextSibling != null) &&
- (lastNode.nextSibling.nodeType == Node.TEXT_NODE)) {
- lastNode = lastNode.nextSibling;
- value += lastNode.nodeValue;
- }
-
- var prevChar = value.charAt(offset-1);
- var nextChar = value.charAt(offset);
- var havePrevChar = ((prevChar != null) && !isWhitespaceString(prevChar));
- var haveNextChar = ((nextChar != null) && !isWhitespaceString(nextChar));
- if (havePrevChar && haveNextChar) {
- var prevCode = value.charCodeAt(offset-1);
- var nextCode = value.charCodeAt(offset);
- if ((prevCode >= 0xD800) && (prevCode <= 0xDBFF) &&
- (nextCode >= 0xDC00) && (nextCode <= 0xDFFF)) {
- return false; // In middle of surrogate pair
- }
- return true;
- }
-
- if (isWhitespaceString(value)) {
- if (offset == 0) {
- if ((node == firstNode) &&
- (firstNode.previousSibling == null) && (lastNode.nextSibling == null))
- return true;
- if ((node.nextSibling != null) && (node.nextSibling._type == HTML_BR))
- return true;
- if ((node.firstChild == null) &&
- (node.previousSibling == null) &&
- (node.nextSibling == null)) {
- return true;
- }
- if (insertion && (node.previousSibling != null) &&
- isInlineNode(node.previousSibling) &&
- !isOpaqueNode(node.previousSibling) &&
- (node.previousSibling._type != HTML_BR))
- return true;
- }
- return false;
- }
-
- if (insertion)
- return true;
-
- var precedingText = value.substring(0,offset);
- if (isWhitespaceString(precedingText)) {
- return (haveNextChar &&
- ((node.previousSibling == null) ||
- (node.previousSibling._type == HTML_BR) ||
- isNoteNode(node.previousSibling) ||
- (isParagraphNode(node.previousSibling)) ||
- (getNodeText(node.previousSibling).match(/\s$/)) ||
- isItemNumber(node.previousSibling) ||
- ((precedingText.length > 0))));
- }
-
- var followingText = value.substring(offset);
- if (isWhitespaceString(followingText)) {
- return (havePrevChar &&
- ((node.nextSibling == null) ||
- isNoteNode(node.nextSibling) ||
- (followingText.length > 0) ||
- (spacesUntilNextContent(node) != 0)));
- }
-
- return (havePrevChar || haveNextChar);
- }
- else if (node.nodeType == Node.ELEMENT_NODE) {
- if (node.firstChild == null) {
- switch (type) {
- case HTML_LI:
- case HTML_TH:
- case HTML_TD:
- return true;
- default:
- if (PARAGRAPH_ELEMENTS[type])
- return true;
- else
- break;
- }
- }
-
- var prevNode = node.childNodes[offset-1];
- var nextNode = node.childNodes[offset];
- var prevType = (prevNode != null) ? prevNode._type : 0;
- var nextType = (nextNode != null) ? nextNode._type : 0;
-
- var prevIsNote = (prevNode != null) && isNoteNode(prevNode);
- var nextIsNote = (nextNode != null) && isNoteNode(nextNode);
- if (((nextNode == null) || !nodeHasContent(nextNode)) && prevIsNote)
- return true;
- if (((prevNode == null) || !nodeHasContent(prevNode)) && nextIsNote)
- return true;
- if (prevIsNote && nextIsNote)
- return true;
-
- if ((prevNode == null) && (nextNode == null) &&
- (CONTAINERS_ALLOWING_CHILDREN[type] ||
- (isInlineNode(node) && !isOpaqueNode(node) && (type != HTML_BR))))
- return true;
-
- if ((prevNode != null) && isSpecialBlockNode(prevNode))
- return true;
- if ((nextNode != null) && isSpecialBlockNode(nextNode))
- return true;
-
- if ((nextNode != null) && isItemNumber(nextNode))
- return false;
- if ((prevNode != null) && isItemNumber(prevNode))
- return ((nextNode == null) || isWhitespaceTextNode(nextNode));
-
- if ((nextNode != null) && (nextType == HTML_BR))
- return ((prevType == 0) || (prevType != HTML_TEXT));
-
- if ((prevNode != null) && (isOpaqueNode(prevNode) || (prevType == HTML_TABLE))) {
-
- switch (nextType) {
- case 0:
- case HTML_TEXT:
- case HTML_TABLE:
- return true;
- default:
- return isOpaqueNode(nextNode);
- }
- }
- if ((nextNode != null) && (isOpaqueNode(nextNode) || (nextType == HTML_TABLE))) {
- switch (prevType) {
- case 0:
- case HTML_TEXT:
- case HTML_TABLE:
- return true;
- default:
- return isOpaqueNode(prevNode);
- }
- }
- }
-
- return false;
- }
-
- Position_prevMatch = function(pos,fun)
- {
- do {
- pos = Position_prev(pos);
- } while ((pos != null) && !fun(pos));
- return pos;
- }
-
- Position_nextMatch = function(pos,fun)
- {
- do {
- pos = Position_next(pos);
- } while ((pos != null) && !fun(pos));
- return pos;
- }
-
- function findEquivalentValidPosition(pos,fun)
- {
- var node = pos.node;
- var offset = pos.offset;
- if (node.nodeType == Node.ELEMENT_NODE) {
- var before = node.childNodes[offset-1];
- var after = node.childNodes[offset];
- if ((before != null) && (before.nodeType == Node.TEXT_NODE)) {
- var candidate = new Position(before,before.nodeValue.length);
- if (fun(candidate))
- return candidate;
- }
- if ((after != null) && (after.nodeType == Node.TEXT_NODE)) {
- var candidate = new Position(after,0);
- if (fun(candidate))
- return candidate;
- }
- }
-
- if ((pos.node.nodeType == Node.TEXT_NODE) &&
- isWhitespaceString(pos.node.nodeValue.slice(pos.offset))) {
- var str = pos.node.nodeValue;
- var whitespace = str.match(/\s+$/);
- if (whitespace) {
- var adjusted = new Position(pos.node,
- str.length - whitespace[0].length + 1);
- return adjusted;
- }
- }
- return pos;
- }
-
- // public
- Position_closestMatchForwards = function(pos,fun)
- {
- if (pos == null)
- return null;
-
- if (!fun(pos))
- pos = findEquivalentValidPosition(pos,fun);
-
- if (fun(pos))
- return pos;
-
- var next = Position_nextMatch(pos,fun);
- if (next != null)
- return next;
-
- var prev = Position_prevMatch(pos,fun);
- if (prev != null)
- return prev;
-
- return new Position(document.body,document.body.childNodes.length);
- }
-
- // public
- Position_closestMatchBackwards = function(pos,fun)
- {
- if (pos == null)
- return null;
-
- if (!fun(pos))
- pos = findEquivalentValidPosition(pos,fun);
-
- if (fun(pos))
- return pos;
-
- var prev = Position_prevMatch(pos,fun);
- if (prev != null)
- return prev;
-
- var next = Position_nextMatch(pos,fun);
- if (next != null)
- return next;
-
- return new Position(document.body,0);
- }
-
- Position_track = function(pos)
- {
- startTracking(pos.self);
- }
-
- Position_untrack = function(pos)
- {
- stopTracking(pos.self);
- }
-
- Position_rectAtPos = function(pos)
- {
- if (pos == null)
- return null;
- var range = new Range(pos.node,pos.offset,pos.node,pos.offset);
- var rects = Range_getClientRects(range);
-
- if ((rects.length > 0) && !rectIsEmpty(rects[0])) {
- return rects[0];
- }
-
- if (isParagraphNode(pos.node) && (pos.offset == 0)) {
- var rect = pos.node.getBoundingClientRect();
- if (!rectIsEmpty(rect))
- return rect;
- }
-
- return null;
- }
-
- function posAtStartOfParagraph(pos,paragraph)
- {
- return ((pos.node == paragraph.node) &&
- (pos.offset == paragraph.startOffset));
- }
-
- function posAtEndOfParagraph(pos,paragraph)
- {
- return ((pos.node == paragraph.node) &&
- (pos.offset == paragraph.endOffset));
- }
-
- function zeroWidthRightRect(rect)
- {
- return { left: rect.right, // 0 width
- right: rect.right,
- top: rect.top,
- bottom: rect.bottom,
- width: 0,
- height: rect.height };
- }
-
- function zeroWidthLeftRect(rect)
- {
- return { left: rect.left,
- right: rect.left, // 0 width
- top: rect.top,
- bottom: rect.bottom,
- width: 0,
- height: rect.height };
- }
-
- function zeroWidthMidRect(rect)
- {
- var mid = rect.left + rect.width/2;
- return { left: mid,
- right: mid, // 0 width
- top: rect.top,
- bottom: rect.bottom,
- width: 0,
- height: rect.height };
- }
-
- Position_noteAncestor = function(pos)
- {
- var node = Position_closestActualNode(pos);
- for (; node != null; node = node.parentNode) {
- if (isNoteNode(node))
- return node;
- }
- return null;
- }
-
- Position_captionAncestor = function(pos)
- {
- var node = Position_closestActualNode(pos);
- for (; node != null; node = node.parentNode) {
- if ((node._type == HTML_FIGCAPTION) || (node._type == HTML_CAPTION))
- return node;
- }
- return null;
- }
-
- Position_figureOrTableAncestor = function(pos)
- {
- var node = Position_closestActualNode(pos);
- for (; node != null; node = node.parentNode) {
- if ((node._type == HTML_FIGURE) || (node._type == HTML_TABLE))
- return node;
- }
- return null;
- }
-
- function exactRectAtPos(pos)
- {
- var node = pos.node;
- var offset = pos.offset;
-
- if (node.nodeType == Node.ELEMENT_NODE) {
- if (offset > node.childNodes.length)
- throw new Error("Invalid offset: "+offset+" of "+node.childNodes.length);
-
- var before = node.childNodes[offset-1];
- var after = node.childNodes[offset];
-
- // Cursor is immediately before table -> return table rect
- if ((before != null) && isSpecialBlockNode(before))
- return zeroWidthRightRect(before.getBoundingClientRect());
-
- // Cursor is immediately after table -> return table rect
- else if ((after != null) && isSpecialBlockNode(after))
- return zeroWidthLeftRect(after.getBoundingClientRect());
-
- // Start of empty paragraph
- if ((node.nodeType == Node.ELEMENT_NODE) && (offset == 0) &&
- isParagraphNode(node) && !nodeHasContent(node)) {
- return zeroWidthLeftRect(node.getBoundingClientRect());
- }
-
- return null;
- }
- else if (node.nodeType == Node.TEXT_NODE) {
- // First see if the client rects returned by the range gives us a valid value. This
- // won't be the case if the cursor is surrounded by both sides on whitespace.
- var result = rectAtRightOfRange(new Range(node,offset,node,offset));
- if (result != null)
- return result;
-
- if (offset > 0) {
- // Try and get the rect of the previous character; the cursor goes after that
- var result = rectAtRightOfRange(new Range(node,offset-1,node,offset));
- if (result != null)
- return result;
- }
-
- return null;
- }
- else {
- return null;
- }
-
- function rectAtRightOfRange(range)
- {
- var rects = Range_getClientRects(range);
- if ((rects == null) || (rects.length == 0) || (rects[rects.length-1].height == 0))
- return null;
- return zeroWidthRightRect(rects[rects.length-1]);
- }
- }
-
- function tempSpaceRect(parentNode,nextSibling)
- {
- var space = DOM_createTextNode(document,String.fromCharCode(160));
- DOM_insertBefore(parentNode,space,nextSibling);
- var range = new Range(space,0,space,1);
- var rects = Range_getClientRects(range);
- DOM_deleteNode(space);
- if (rects.length > 0)
- return rects[0];
- else
- return nil;
- }
-
- Position_displayRectAtPos = function(pos)
- {
- rect = exactRectAtPos(pos);
- if (rect != null)
- return rect;
-
- var noteNode = Position_noteAncestor(pos);
- if ((noteNode != null) && !nodeHasContent(noteNode)) // In empty footnote or endnote
- return zeroWidthMidRect(noteNode.getBoundingClientRect());
-
- // If we're immediately before or after a footnote or endnote, calculate the rect by
- // temporarily inserting a space character, and getting the rect at the start of that.
- // This avoids us instead getting a rect inside the note, which is what would otherwise
- // happen if there was no adjacent text node outside the note.
- if ((pos.node.nodeType == Node.ELEMENT_NODE)) {
- var before = pos.node.childNodes[pos.offset-1];
- var after = pos.node.childNodes[pos.offset];
- if (((before != null) && isNoteNode(before)) ||
- ((after != null) && isNoteNode(after))) {
- var rect = tempSpaceRect(pos.node,pos.node.childNodes[pos.offset]);
- if (rect != null)
- return zeroWidthLeftRect(rect);
- }
- }
-
- var captionNode = Position_captionAncestor(pos);
- if ((captionNode != null) && !nodeHasContent(captionNode)) {
- // Even if an empty caption has generated content (e.g. "Figure X: ") preceding it,
- // we can't directly get the rect of that generated content. So we temporarily insert
- // a text node containing a single space character, get the position to the right of
- // that character, and then remove the text node.
- var rect = tempSpaceRect(captionNode,null);
- if (rect != null)
- return zeroWidthRightRect(rect);
- }
-
- var paragraph = Text_findParagraphBoundaries(pos);
-
- var backRect = null;
- for (var backPos = pos; backPos != null; backPos = Position_prev(backPos)) {
- backRect = exactRectAtPos(backPos);
- if ((backRect != null) || posAtStartOfParagraph(backPos,paragraph))
- break;
- }
-
- var forwardRect = null;
- for (var forwardPos = pos; forwardPos != null; forwardPos = Position_next(forwardPos)) {
- forwardRect = exactRectAtPos(forwardPos);
- if ((forwardRect != null) || posAtEndOfParagraph(forwardPos,paragraph))
- break;
- }
-
- if (backRect != null) {
- return backRect;
- }
- else if (forwardRect != null) {
- return forwardRect;
- }
- else {
- // Fallback, e.g. for empty LI elements
- var node = pos.node;
- if (node.nodeType == Node.TEXT_NODE)
- node = node.parentNode;
- return zeroWidthLeftRect(node.getBoundingClientRect());
- }
- }
-
- Position_equal = function(a,b)
- {
- if ((a == null) && (b == null))
- return true;
- if ((a != null) && (b != null) &&
- (a.node == b.node) && (a.offset == b.offset))
- return true;
- return false;
- }
-
- Position_preferTextPosition = function(pos)
- {
- var node = pos.node;
- var offset = pos.offset;
- if (node.nodeType == Node.ELEMENT_NODE) {
- var before = node.childNodes[offset-1];
- var after = node.childNodes[offset];
- if ((before != null) && (before.nodeType == Node.TEXT_NODE))
- return new Position(before,before.nodeValue.length);
- if ((after != null) && (after.nodeType == Node.TEXT_NODE))
- return new Position(after,0);
- }
- return pos;
- }
-
- Position_preferElementPosition = function(pos)
- {
- if (pos.node.nodeType == Node.TEXT_NODE) {
- if (pos.node.parentNode == null)
- throw new Error("Position "+pos+" has no parent node");
- if (pos.offset == 0)
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node));
- if (pos.offset == pos.node.nodeValue.length)
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node)+1);
- }
- return pos;
- }
-
- Position_compare = function(first,second)
- {
- if ((first.node == second.node) && (first.offset == second.offset))
- return 0;
-
- var doc = first.node.ownerDocument;
- if ((first.node.parentNode == null) && (first.node != doc.documentElement))
- throw new Error("First node has been removed from document");
- if ((second.node.parentNode == null) && (second.node != doc.documentElement))
- throw new Error("Second node has been removed from document");
-
- if (first.node == second.node)
- return first.offset - second.offset;
-
- var firstParent = null;
- var firstChild = null;
- var secondParent = null;
- var secondChild = null;
-
- if (second.node.nodeType == Node.ELEMENT_NODE) {
- secondParent = second.node;
- secondChild = second.node.childNodes[second.offset];
- }
- else {
- secondParent = second.node.parentNode;
- secondChild = second.node;
- }
-
- if (first.node.nodeType == Node.ELEMENT_NODE) {
- firstParent = first.node;
- firstChild = first.node.childNodes[first.offset];
- }
- else {
- firstParent = first.node.parentNode;
- firstChild = first.node;
- if (firstChild == secondChild)
- return 1;
- }
-
- var firstC = firstChild;
- var firstP = firstParent;
- while (firstP != null) {
-
- var secondC = secondChild;
- var secondP = secondParent;
- while (secondP != null) {
-
- if (firstP == secondC)
- return 1;
-
- if (firstP == secondP) {
- // if secondC is last child, firstC must be secondC or come before it
- if (secondC == null)
- return -1;
- for (var n = firstC; n != null; n = n.nextSibling) {
- if (n == secondC)
- return -1;
- }
- return 1;
- }
-
- secondC = secondP;
- secondP = secondP.parentNode;
- }
-
- firstC = firstP;
- firstP = firstP.parentNode;
- }
- throw new Error("Could not find common ancestor");
- }
-
- // This function works around a bug in WebKit where caretRangeFromPoint sometimes returns an
- // incorrect node (the last text node in the document). In a previous attempt to fix this bug,
- // we first checked if the point was in the elements bounding rect, but this meant that it
- // wasn't possible to place the cursor at the nearest node, if the click location was not
- // exactly on a node.
-
- // Now we instead check to see if the result of elementFromPoint is the same as the parent node
- // of the text node returned by caretRangeFromPoint. If it isn't, then we assume that the latter
- // result is incorrect, and return null.
-
- // In the circumstances where this bug was observed, the last text node in the document was
- // being returned from caretRangeFromPoint in some cases. In the typical case, this is going to
- // be inside a paragraph node, but elementNodeFromPoint was returning the body element. The
- // check we do now comparing the results of the two functions fixes this case, but won't work as
- // intended if the document's last text node is a direct child of the body (as it may be in some
- // HTML documents that users open).
-
- function posOutsideSelection(pos)
- {
- pos = Position_preferElementPosition(pos);
-
- if (!isSelectionSpan(pos.node))
- return pos;
-
- if (pos.offset == 0)
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node));
- else if (pos.offset == pos.node.childNodes.length)
- return new Position(pos.node.parentNode,DOM_nodeOffset(pos.node)+1);
- else
- return pos;
- }
-
- Position_atPoint = function(x,y)
- {
- // In general, we can use document.caretRangeFromPoint(x,y) to determine the location of the
- // cursor based on screen coordinates. However, this doesn't work if the screen coordinates
- // are outside the bounding box of the document's body. So when this is true, we find either
- // the first or last non-whitespace text node, calculate a y value that is half-way between
- // the top and bottom of its first or last rect (respectively), and use that instead. This
- // results in the cursor being placed on the first or last line when the user taps outside
- // the document bounds.
-
- var bodyRect = document.body.getBoundingClientRect();
- var boundaryRect = null;
- if (y <= bodyRect.top)
- boundaryRect = findFirstTextRect();
- else if (y >= bodyRect.bottom)
- boundaryRect = findLastTextRect();
-
- if (boundaryRect != null)
- y = boundaryRect.top + boundaryRect.height/2;
-
- // We get here if the coordinates are inside the document's bounding rect, or if getting the
- // position from the first or last rect failed for some reason.
-
- var range = document.caretRangeFromPoint(x,y);
- if (range == null)
- return null;
-
- var pos = new Position(range.startContainer,range.startOffset);
- pos = Position_preferElementPosition(pos);
-
- if (pos.node.nodeType == Node.ELEMENT_NODE) {
- var outside = posOutsideSelection(pos);
- var prev = outside.node.childNodes[outside.offset-1];
- var next = outside.node.childNodes[outside.offset];
-
- if ((prev != null) && nodeMayContainPos(prev) && elementContainsPoint(prev,x,y))
- return new Position(prev,0);
-
- if ((next != null) && nodeMayContainPos(next) && elementContainsPoint(next,x,y))
- return new Position(next,0);
-
- if (next != null) {
- var nextNode = outside.node;
- var nextOffset = outside.offset+1;
-
- if (isSelectionSpan(next) && (next.firstChild != null)) {
- nextNode = next;
- nextOffset = 1;
- next = next.firstChild;
- }
-
- if ((next != null) && isEmptyNoteNode(next)) {
- var rect = next.getBoundingClientRect();
- if (x > rect.right)
- return new Position(nextNode,nextOffset);
- }
- }
- }
-
- pos = adjustPositionForFigure(pos);
-
- return pos;
- }
-
- // This is used for nodes that can potentially be the right match for a hit test, but for
- // which caretRangeFromPoint() returns the wrong result
- function nodeMayContainPos(node)
- {
- return ((node._type == HTML_IMG) || isEmptyNoteNode(node));
- }
-
- function elementContainsPoint(element,x,y)
- {
- var rect = element.getBoundingClientRect();
- return ((x >= rect.left) && (x <= rect.right) &&
- (y >= rect.top) && (y <= rect.bottom));
- }
-
- function isEmptyParagraphNode(node)
- {
- return ((node._type == HTML_P) &&
- (node.lastChild != null) &&
- (node.lastChild._type == HTML_BR) &&
- !nodeHasContent(node));
- }
-
- function findLastTextRect()
- {
- var node = lastDescendant(document.body);
-
- while ((node != null) &&
- ((node.nodeType != Node.TEXT_NODE) || isWhitespaceTextNode(node))) {
- if (isEmptyParagraphNode(node))
- return node.getBoundingClientRect();
- node = prevNode(node);
- }
-
- if (node != null) {
- var domRange = document.createRange();
- domRange.setStart(node,0);
- domRange.setEnd(node,node.nodeValue.length);
- var rects = domRange.getClientRects();
- if ((rects != null) && (rects.length > 0))
- return rects[rects.length-1];
- }
- return null;
- }
-
- function findFirstTextRect()
- {
- var node = firstDescendant(document.body);
-
- while ((node != null) &&
- ((node.nodeType != Node.TEXT_NODE) || isWhitespaceTextNode(node))) {
- if (isEmptyParagraphNode(node))
- return node.getBoundingClientRect();
- node = nextNode(node);
- }
-
- if (node != null) {
- var domRange = document.createRange();
- domRange.setStart(node,0);
- domRange.setEnd(node,node.nodeValue.length);
- var rects = domRange.getClientRects();
- if ((rects != null) && (rects.length > 0))
- return rects[0];
- }
- return null;
- }
-
- function adjustPositionForFigure(position)
- {
- if (position == null)
- return null;
- if (position.node._type == HTML_FIGURE) {
- var prev = position.node.childNodes[position.offset-1];
- var next = position.node.childNodes[position.offset];
- if ((prev != null) && (prev._type == HTML_IMG)) {
- position = new Position(position.node.parentNode,
- DOM_nodeOffset(position.node)+1);
- }
- else if ((next != null) && (next._type == HTML_IMG)) {
- position = new Position(position.node.parentNode,
- DOM_nodeOffset(position.node));
- }
- }
- return position;
- }
-
-})();
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/8eda56a5/Editor/src/PostponedActions.js
----------------------------------------------------------------------
diff --git a/Editor/src/PostponedActions.js b/Editor/src/PostponedActions.js
deleted file mode 100644
index d445536..0000000
--- a/Editor/src/PostponedActions.js
+++ /dev/null
@@ -1,55 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements. See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership. The ASF licenses this file
-// to you 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.
-
-var PostponedActions_add;
-var PostponedActions_perform;
-
-(function() {
-
- function PostponedAction(fun,undoDisabled)
- {
- this.fun = fun;
- this.undoDisabled = undoDisabled;
- }
-
- var actions = new Array();
-
- PostponedActions_add = function(action)
- {
- actions.push(new PostponedAction(action,UndoManager_isDisabled()));
- }
-
- PostponedActions_perform = function()
- {
- var count = 0;
- while (actions.length > 0) {
- if (count >= 10)
- throw new Error("Too many postponed actions");
- var actionsToPerform = actions;
- actions = new Array();
- for (var i = 0; i < actionsToPerform.length; i++) {
- var action = actionsToPerform[i];
- if (action.undoDisabled)
- UndoManager_disableWhileExecuting(action.fun);
- else
- action.fun();
- }
- count++;
- }
- }
-
-})();
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/8eda56a5/Editor/src/Preview.js
----------------------------------------------------------------------
diff --git a/Editor/src/Preview.js b/Editor/src/Preview.js
deleted file mode 100644
index 97f9bf1..0000000
--- a/Editor/src/Preview.js
+++ /dev/null
@@ -1,139 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements. See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership. The ASF licenses this file
-// to you 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.
-
-var Preview_showForStyle;
-
-(function(){
-
- var previewText =
- "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec in diam \n"+
- "mauris. Integer in lorem sit amet dolor lacinia aliquet. Cras vehicula odio \n"+
- "non enim euismod nec congue lorem varius. Sed eu libero arcu, eget tempus \n"+
- "augue. Vivamus varius risus ac libero sagittis eu ultricies lectus \n"+
- "consequat. Integer gravida accumsan fermentum. Morbi erat ligula, volutpat \n"+
- "non accumsan sed, pellentesque quis purus. Vestibulum vestibulum tincidunt \n"+
- "lectus non pellentesque. Quisque porttitor sollicitudin tellus, id porta \n"+
- "velit interdum sit amet. Cras quis sem orci, vel convallis magna. \n"+
- "Pellentesque congue, libero et iaculis volutpat, enim turpis sodales dui, \n"+
- "lobortis pharetra lectus dolor at sem. Nullam aliquam, odio ac laoreet \n"+
- "vulputate, ligula nunc euismod leo, vel bibendum magna leo ut orci. In \n"+
- "tortor turpis, pellentesque nec cursus ut, consequat non ipsum. Praesent \n"+
- "venenatis, leo in pulvinar pharetra, eros nisi convallis elit, vitae luctus \n"+
- "magna velit ut lorem."
-
- function setTableCellContents(node)
- {
- if (isTableCell(node)) {
- DOM_deleteAllChildren(node);
- DOM_appendChild(node,DOM_createTextNode(document,"Cell contents"));
- }
- else {
- for (var child = node.firstChild; child != null; child = child.nextSibling)
- setTableCellContents(child);
- }
- }
-
- function showForStyle(styleId,uiName,titleText)
- {
- var elementName = null;
- var className = null;
-
- var dotPos = styleId.indexOf(".");
- if (dotPos >= 0) {
- elementName = styleId.substring(0,dotPos);
- className = styleId.substring(dotPos+1);
- }
- else {
- elementName = styleId;
- className = null;
- }
-
- var title = DOM_createTextNode(document,titleText);
- var text = DOM_createTextNode(document,previewText);
-
- Selection_clear();
- DOM_deleteAllChildren(document.body);
-
- if (PARAGRAPH_ELEMENTS[ElementTypes[elementName]]) {
- var paragraph1 = createParagraphElement(elementName,className);
- var paragraph2 = createParagraphElement(elementName,className);
- DOM_appendChild(paragraph1,title);
- DOM_appendChild(paragraph2,text);
- DOM_appendChild(document.body,paragraph1);
- DOM_appendChild(document.body,paragraph2);
-
- if (className != null) {
- DOM_setAttribute(paragraph1,"class",className);
- DOM_setAttribute(paragraph2,"class",className);
- }
- }
- else if (elementName == "span") {
- var p1 = DOM_createElement(document,"P");
- var p2 = DOM_createElement(document,"P");
- var span1 = DOM_createElement(document,"SPAN");
- var span2 = DOM_createElement(document,"SPAN");
-
- if (className != null) {
- DOM_setAttribute(span1,"class",className);
- DOM_setAttribute(span2,"class",className);
- }
-
- DOM_appendChild(span1,title);
- DOM_appendChild(span2,text);
-
- DOM_appendChild(p1,span1);
- DOM_appendChild(p2,span2);
-
- DOM_appendChild(document.body,p1);
- DOM_appendChild(document.body,p2);
- }
- else if ((elementName == "table") || (elementName == "caption")) {
- // FIXME: cater for different table styles
- Selection_selectAll();
- Tables_insertTable(3,3,"66%",true,"Table caption");
- Selection_clear();
- var table = document.getElementsByTagName("TABLE")[0];
- setTableCellContents(table);
- if ((elementName == "table") && (className != null))
- DOM_setAttribute(table,"class",className);
- }
- else if ((elementName == "figure") || (elementName == "figcaption")) {
- Selection_selectAll();
- Figures_insertFigure("SampleFigure.svg","75%",true,"TCP 3-way handshake");
- Selection_clear();
- }
- else if (elementName == "body") {
- // We use BR here instead of separate paragraphs, since we don't want the properties
- // for the P element to be applied
- DOM_appendChild(document.body,title);
- DOM_appendChild(document.body,DOM_createElement(document,"BR"));
- DOM_appendChild(document.body,DOM_createElement(document,"BR"));
- DOM_appendChild(document.body,text);
- }
-
- function createParagraphElement(elementName,className)
- {
- var element = DOM_createElement(document,elementName);
- if (className != null)
- DOM_setAttribute(element,"class",className);
- return element;
- }
- }
-
- Preview_showForStyle = showForStyle;
-
-})();
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/8eda56a5/Editor/src/Range.js
----------------------------------------------------------------------
diff --git a/Editor/src/Range.js b/Editor/src/Range.js
deleted file mode 100644
index 8d7c655..0000000
--- a/Editor/src/Range.js
+++ /dev/null
@@ -1,566 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements. See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership. The ASF licenses this file
-// to you 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.
-
-var Range;
-
-var Range_assertValid;
-var Range_isEmpty;
-var Range_trackWhileExecuting;
-var Range_expand;
-var Range_isForwards;
-var Range_getAllNodes;
-var Range_singleNode;
-var Range_ensureInlineNodesInParagraph;
-var Range_ensureValidHierarchy;
-var Range_forwards;
-var Range_detail;
-var Range_getOutermostNodes;
-var Range_getClientRects;
-var Range_cloneContents;
-var Range_hasContent;
-var Range_getText;
-
-(function() {
-
- Range = function(startNode,startOffset,endNode,endOffset)
- {
- this.start = new Position(startNode,startOffset);
- this.end = new Position(endNode,endOffset);
- }
-
- Range_assertValid = function(range,description)
- {
- if (description == null)
- description = "Range";
- if (range == null)
- throw new Error(description+" is null");
- Position_assertValid(range.start,description+" start");
- Position_assertValid(range.end,description+" end");
- }
-
- Range_isEmpty = function(range)
- {
- return ((range.start.node == range.end.node) &&
- (range.start.offset == range.end.offset));
- }
-
- Range.prototype.toString = function()
- {
- return this.start.toString() + " - " + this.end.toString();
- }
-
- Range_trackWhileExecuting = function(range,fun)
- {
- if (range == null)
- return fun();
- else
- return Position_trackWhileExecuting([range.start,range.end],fun);
- }
-
- Range_expand = function(range)
- {
- var doc = range.start.node.ownerDocument;
- while ((range.start.offset == 0) && (range.start.node != doc.body)) {
- var offset = DOM_nodeOffset(range.start.node);
- range.start.node = range.start.node.parentNode;
- range.start.offset = offset;
- }
-
- while ((range.end.offset == DOM_maxChildOffset(range.end.node)) &&
- (range.end.node != doc.body)) {
- var offset = DOM_nodeOffset(range.end.node);
- range.end.node = range.end.node.parentNode;
- range.end.offset = offset+1;
- }
- }
-
- Range_isForwards = function(range)
- {
- return (Position_compare(range.start,range.end) <= 0);
- }
-
- Range_getAllNodes = function(range,atLeastOne)
- {
- var result = new Array();
- var outermost = Range_getOutermostNodes(range,atLeastOne);
- for (var i = 0; i < outermost.length; i++)
- addRecursive(outermost[i]);
- return result;
-
- function addRecursive(node)
- {
- result.push(node);
- for (var child = node.firstChild; child != null; child = child.nextSibling)
- addRecursive(child);
- }
- }
-
- Range_singleNode = function(range)
- {
- return Position_closestActualNode(range.start,true);
- }
-
- Range_ensureInlineNodesInParagraph = function(range)
- {
- Range_trackWhileExecuting(range,function() {
- var nodes = Range_getAllNodes(range,true);
- for (var i = 0; i < nodes.length; i++)
- Hierarchy_ensureInlineNodesInParagraph(nodes[i]);
- });
- }
-
- Range_ensureValidHierarchy = function(range,allowDirectInline)
- {
- Range_trackWhileExecuting(range,function() {
- var nodes = Range_getAllNodes(range,true);
- for (var i = nodes.length-1; i >= 0; i--)
- Hierarchy_ensureValidHierarchy(nodes[i],true,allowDirectInline);
- });
- }
-
- Range_forwards = function(range)
- {
- if (Range_isForwards(range)) {
- return range;
- }
- else {
- var reverse = new Range(range.end.node,range.end.offset,
- range.start.node,range.start.offset);
- if (!Range_isForwards(reverse))
- throw new Error("Both range "+range+" and its reverse are not forwards");
- return reverse;
- }
- }
-
- Range_detail = function(range)
- {
- if (!Range_isForwards(range)) {
- var reverse = new Range(range.end.node,range.end.offset,
- range.start.node,range.start.offset);
- if (!Range_isForwards(reverse))
- throw new Error("Both range "+range+" and its reverse are not forwards");
- return Range_detail(reverse);
- }
-
- var detail = new Object();
- var start = range.start;
- var end = range.end;
-
- // Start location
- if (start.node.nodeType == Node.ELEMENT_NODE) {
- detail.startParent = start.node;
- detail.startChild = start.node.childNodes[start.offset];
- }
- else {
- detail.startParent = start.node.parentNode;
- detail.startChild = start.node;
- }
-
- // End location
- if (end.node.nodeType == Node.ELEMENT_NODE) {
- detail.endParent = end.node;
- detail.endChild = end.node.childNodes[end.offset];
- }
- else if (end.offset == 0) {
- detail.endParent = end.node.parentNode;
- detail.endChild = end.node;
- }
- else {
- detail.endParent = end.node.parentNode;
- detail.endChild = end.node.nextSibling;
- }
-
- // Common ancestor
- var startP = detail.startParent;
- var startC = detail.startChild;
- while (startP != null) {
- var endP = detail.endParent;
- var endC = detail.endChild
- while (endP != null) {
- if (startP == endP) {
- detail.commonAncestor = startP;
- detail.startAncestor = startC;
- detail.endAncestor = endC;
- // Found it
- return detail;
- }
- endC = endP;
- endP = endP.parentNode;
- }
- startC = startP;
- startP = startP.parentNode;
- }
- throw new Error("Start and end of range have no common ancestor");
- }
-
- Range_getOutermostNodes = function(range,atLeastOne,info)
- {
- var beforeNodes = new Array();
- var middleNodes = new Array();
- var afterNodes = new Array();
-
- if (info != null) {
- info.beginning = beforeNodes;
- info.middle = middleNodes;
- info.end = afterNodes;
- }
-
- if (Range_isEmpty(range))
- return atLeastOne ? [Range_singleNode(range)] : [];
-
- // Note: start and end are *points* - they are always *in between* nodes or characters, never
- // *at* a node or character.
- // Everything after the end point is excluded from the selection
- // Everything after the start point, but before the end point, is included in the selection
-
- // We use (parent,child) pairs so that we have a way to represent a point that comes after all
- // the child nodes in a container - in which case the child is null. The parent, however, is
- // always non-null;
-
- var detail = Range_detail(range);
- if (detail.commonAncestor == null)
- return atLeastOne ? [Range_singleNode(range)] : [];
- var startParent = detail.startParent;
- var startChild = detail.startChild;
- var endParent = detail.endParent;
- var endChild = detail.endChild;
- var commonParent = detail.commonAncestor;
- var startAncestor = detail.startAncestor;
- var endAncestor = detail.endAncestor;
-
- // Add start nodes
- var topParent = startParent;
- var topChild = startChild;
- while (topParent != commonParent) {
- if (topChild != null)
- beforeNodes.push(topChild);
-
- while (((topChild == null) || (topChild.nextSibling == null)) &&
- (topParent != commonParent)) {
- topChild = topParent;
- topParent = topParent.parentNode;
- }
- if (topParent != commonParent)
- topChild = topChild.nextSibling;
- }
-
- // Add middle nodes
- if (startAncestor != endAncestor) {
- var c = startAncestor;
- if ((c != null) && (c != startChild))
- c = c.nextSibling;
- for (; c != endAncestor; c = c.nextSibling)
- middleNodes.push(c);
- }
-
- // Add end nodes
- var bottomParent = endParent;
- var bottomChild = endChild;
- while (true) {
-
- while ((getPreviousSibling(bottomParent,bottomChild) == null) &&
- (bottomParent != commonParent)) {
- bottomChild = bottomParent;
- bottomParent = bottomParent.parentNode;
- }
- if (bottomParent != commonParent)
- bottomChild = getPreviousSibling(bottomParent,bottomChild);
-
- if (bottomParent == commonParent)
- break;
-
- afterNodes.push(bottomChild);
- }
- afterNodes = afterNodes.reverse();
-
- var result = new Array();
-
- Array.prototype.push.apply(result,beforeNodes);
- Array.prototype.push.apply(result,middleNodes);
- Array.prototype.push.apply(result,afterNodes);
-
- if (result.length == 0)
- return atLeastOne ? [Range_singleNode(range)] : [];
- else
- return result;
-
- function getPreviousSibling(parent,child)
- {
- if (child != null)
- return child.previousSibling;
- else if (parent.lastChild != null)
- return parent.lastChild;
- else
- return null;
- }
-
- function isAncestorLocation(ancestorParent,ancestorChild,
- descendantParent,descendantChild)
- {
- while ((descendantParent != null) &&
- ((descendantParent != ancestorParent) || (descendantChild != ancestorChild))) {
- descendantChild = descendantParent;
- descendantParent = descendantParent.parentNode;
- }
-
- return ((descendantParent == ancestorParent) &&
- (descendantChild == ancestorChild));
- }
- }
-
- Range_getClientRects = function(range)
- {
- var nodes = Range_getOutermostNodes(range,true);
-
- // WebKit in iOS 5.0 and 5.1 has a bug where if the selection spans multiple paragraphs,
- // the complete rect for paragraphs other than the first is returned, instead of just the
- // portions of it that are actually in the range. To get around this problem, we go through
- // each text node individually and collect all the rects.
- var result = new Array();
- var doc = range.start.node.ownerDocument;
- var domRange = doc.createRange();
- for (var nodeIndex = 0; nodeIndex < nodes.length; nodeIndex++) {
- var node = nodes[nodeIndex];
- if (node.nodeType == Node.TEXT_NODE) {
- var startOffset = (node == range.start.node) ? range.start.offset : 0;
- var endOffset = (node == range.end.node) ? range.end.offset : node.nodeValue.length;
- domRange.setStart(node,startOffset);
- domRange.setEnd(node,endOffset);
- var rects = domRange.getClientRects();
- for (var rectIndex = 0; rectIndex < rects.length; rectIndex++) {
- var rect = rects[rectIndex];
- if (Main_clientRectsBug) {
- // Apple Bug ID 14682166 - getClientRects() returns coordinates relative
- // to top of document, when it should instead return coordinates relative
- // to the current client view (that is, taking into account scroll offsets)
- result.push({ left: rect.left - window.scrollX,
- right: rect.right - window.scrollX,
- top: rect.top - window.scrollY,
- bottom: rect.bottom - window.scrollY,
- width: rect.width,
- height: rect.height });
- }
- else {
- result.push(rect);
- }
- }
- }
- else if (node.nodeType == Node.ELEMENT_NODE) {
- result.push(node.getBoundingClientRect());
- }
- }
- return result;
- }
-
- Range_cloneContents = function(range)
- {
- var nodeSet = new NodeSet();
- var ancestorSet = new NodeSet();
- var detail = Range_detail(range);
- var outermost = Range_getOutermostNodes(range);
-
- var haveContent = false;
- for (var i = 0; i < outermost.length; i++) {
- if (!isWhitespaceTextNode(outermost[i]))
- haveContent = true;
- nodeSet.add(outermost[i]);
- for (var node = outermost[i]; node != null; node = node.parentNode)
- ancestorSet.add(node);
- }
-
- if (!haveContent)
- return new Array();
-
- var clone = recurse(detail.commonAncestor);
-
- var ancestor = detail.commonAncestor;
- while (isInlineNode(ancestor)) {
- var ancestorClone = DOM_cloneNode(ancestor.parentNode,false);
- DOM_appendChild(ancestorClone,clone);
- ancestor = ancestor.parentNode;
- clone = ancestorClone;
- }
-
- var childArray = new Array();
- switch (clone._type) {
- case HTML_UL:
- case HTML_OL:
- childArray.push(clone);
- break;
- default:
- for (var child = clone.firstChild; child != null; child = child.nextSibling)
- childArray.push(child);
- Formatting_pushDownInlineProperties(childArray);
- break;
- }
-
- return childArray;
-
- function recurse(parent)
- {
- var clone = DOM_cloneNode(parent,false);
- for (var child = parent.firstChild; child != null; child = child.nextSibling) {
- if (nodeSet.contains(child)) {
- if ((child.nodeType == Node.TEXT_NODE) &&
- (child == range.start.node) &&
- (child == range.end.node)) {
- var substring = child.nodeValue.substring(range.start.offset,
- range.end.offset);
- DOM_appendChild(clone,DOM_createTextNode(document,substring));
- }
- else if ((child.nodeType == Node.TEXT_NODE) &&
- (child == range.start.node)) {
- var substring = child.nodeValue.substring(range.start.offset);
- DOM_appendChild(clone,DOM_createTextNode(document,substring));
- }
- else if ((child.nodeType == Node.TEXT_NODE) &&
- (child == range.end.node)) {
- var substring = child.nodeValue.substring(0,range.end.offset);
- DOM_appendChild(clone,DOM_createTextNode(document,substring));
- }
- else {
- DOM_appendChild(clone,DOM_cloneNode(child,true));
- }
- }
- else if (ancestorSet.contains(child)) {
- DOM_appendChild(clone,recurse(child));
- }
- }
- return clone;
- }
- }
-
- Range_hasContent = function(range)
- {
- var outermost = Range_getOutermostNodes(range);
- for (var i = 0; i < outermost.length; i++) {
- var node = outermost[i];
- if (node.nodeType == Node.TEXT_NODE) {
- var value = node.nodeValue;
- if ((node == range.start.node) && (node == range.end.node)) {
- if (!isWhitespaceString(value.substring(range.start.offset,range.end.offset)))
- return true;
- }
- else if (node == range.start.node) {
- if (!isWhitespaceString(value.substring(range.start.offset)))
- return true;
- }
- else if (node == range.end.node) {
- if (!isWhitespaceString(value.substring(0,range.end.offset)))
- return true;
- }
- else {
- if (!isWhitespaceString(value))
- return true;
- }
- }
- else if (node.nodeType == Node.ELEMENT_NODE) {
- if (nodeHasContent(node))
- return true;
- }
- }
- return false;
- }
-
- Range_getText = function(range)
- {
- range = Range_forwards(range);
-
- var start = range.start;
- var end = range.end;
-
- var startNode = start.node;
- var startOffset = start.offset;
-
- if (start.node.nodeType == Node.ELEMENT_NODE) {
- if ((start.node.offset == start.node.childNodes.length) &&
- (start.node.offset > 0))
- startNode = nextNodeAfter(start.node);
- else
- startNode = start.node.childNodes[start.offset];
- startOffset = 0;
- }
-
- var endNode = end.node;
- var endOffset = end.offset;
-
- if (end.node.nodeType == Node.ELEMENT_NODE) {
- if ((end.node.offset == end.node.childNodes.length) &&
- (end.node.offset > 0))
- endNode = nextNodeAfter(end.node);
- else
- endNode = end.node.childNodes[end.offset];
- endOffset = 0;
- }
-
- if ((startNode == null) || (endNode == null))
- return "";
-
- var components = new Array();
- var node = startNode;
- var significantParagraph = true;
- while (true) {
- if (node == null)
- throw new Error("Cannot find end node");
-
- if (node.nodeType == Node.TEXT_NODE) {
-
- if (!significantParagraph && !isWhitespaceString(node.nodeValue)) {
- significantParagraph = true;
- components.push("\n");
- }
-
- if (significantParagraph) {
- var str;
- if ((node == startNode) && (node == endNode))
- str = node.nodeValue.substring(startOffset,endOffset);
- else if (node == startNode)
- str = node.nodeValue.substring(startOffset);
- else if (node == endNode)
- str = node.nodeValue.substring(0,endOffset);
- else
- str = node.nodeValue;
- str = str.replace(/\s+/g," ");
- components.push(str);
- }
- }
-
- if (node == endNode)
- break;
-
-
- var next = nextNode(node,entering,exiting);
- node = next;
- }
- return components.join("");
-
- function entering(n)
- {
- if (isParagraphNode(n)) {
- significantParagraph = true;
- components.push("\n");
- }
- }
-
- function exiting(n)
- {
- if (isParagraphNode(n))
- significantParagraph = false;
- }
- }
-
-})();
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/8eda56a5/Editor/src/Scan.js
----------------------------------------------------------------------
diff --git a/Editor/src/Scan.js b/Editor/src/Scan.js
deleted file mode 100644
index e6cf4f5..0000000
--- a/Editor/src/Scan.js
+++ /dev/null
@@ -1,179 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements. See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership. The ASF licenses this file
-// to you 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.
-
-var Scan_reset;
-var Scan_next;
-var Scan_addMatch;
-var Scan_showMatch;
-var Scan_replaceMatch;
-var Scan_removeMatch;
-var Scan_goToMatch;
-
-(function() {
-
- function Match(matchId,startPos,endPos)
- {
- this.matchId = matchId;
- this.startPos = startPos;
- this.endPos = endPos;
- this.spans = new Array();
- }
-
- var matchesById = new Object();
- var nextMatchId = 1;
-
- var curPos = null;
- var curParagraph = null;
-
- Scan_reset = function()
- {
- curPos = new Position(document.body,0);
- curParagraph = null;
- clearMatches();
- }
-
- Scan_next = function() {
- if (curPos == null)
- return null;
- curPos = Text_toEndOfBoundary(curPos,"paragraph");
- if (curPos == null)
- return null;
-
- curParagraph = Text_analyseParagraph(curPos);
- if (curParagraph == null)
- return null;
-
- curPos = Position_nextMatch(curPos,Position_okForMovement);
-
- var sectionId = null;
- if (isHeadingNode(curParagraph.node) &&
- (curParagraph.startOffset == 0) &&
- (curParagraph.endOffset == curParagraph.node.childNodes.length)) {
- sectionId = DOM_getAttribute(curParagraph.node,"id");
- }
-
- return { text: curParagraph.text,
- sectionId: sectionId };
- }
-
- Scan_addMatch = function(start,end) {
- if (curParagraph == null)
- throw new Error("curParagraph is null");
- if ((start < 0) || (start > curParagraph.text.length))
- throw new Error("invalid start");
- if ((end < start) || (end > curParagraph.text.length))
- throw new Error("invalid end");
-
- var matchId = nextMatchId++;
-
- var startRun = Paragraph_runFromOffset(curParagraph,start);
- var endRun = Paragraph_runFromOffset(curParagraph,end);
-
- if (startRun == null)
- throw new Error("No start run");
- if (endRun == null)
- throw new Error("No end run");
-
- var startPos = new Position(startRun.node,start - startRun.start);
- var endPos = new Position(endRun.node,end - endRun.start);
- Position_track(startPos);
- Position_track(endPos);
-
- var match = new Match(matchId,startPos,endPos);
- matchesById[matchId] = match;
- return matchId;
- }
-
- Scan_showMatch = function(matchId)
- {
- var match = matchesById[matchId];
- if (match == null)
- throw new Error("Match "+matchId+" not found");
-
- var range = new Range(match.startPos.node,match.startPos.offset,
- match.endPos.node,match.endPos.offset);
- var text = Range_getText(range);
- Formatting_splitAroundSelection(range,true);
- var outermost = Range_getOutermostNodes(range);
- for (var i = 0; i < outermost.length; i++) {
- var span = DOM_wrapNode(outermost[i],"SPAN");
- DOM_setAttribute(span,"class",Keys.MATCH_CLASS);
- match.spans.push(span);
- }
- }
-
- Scan_replaceMatch = function(matchId,replacement)
- {
- var match = matchesById[matchId];
- if (match == null)
- throw new Error("Match "+matchId+" not found");
-
- if (match.spans.length == 0)
- return;
-
- var span = match.spans[0];
-
- Selection_preserveWhileExecuting(function() {
- var replacementNode = DOM_createTextNode(document,replacement);
- DOM_insertBefore(span.parentNode,replacementNode,span);
-
- for (var i = 0; i < match.spans.length; i++)
- DOM_deleteNode(match.spans[i]);
-
- Formatting_mergeUpwards(replacementNode,Formatting_MERGEABLE_INLINE);
- });
-
- delete matchesById[matchId];
- }
-
- function removeSpansForMatch(match)
- {
- for (var i = 0; i < match.spans.length; i++)
- DOM_removeNodeButKeepChildren(match.spans[i]);
- }
-
- Scan_removeMatch = function(matchId)
- {
- removeSpansForMatch(matchesById[matchId]);
- delete matchesById[matchId];
- }
-
- Scan_goToMatch = function(matchId)
- {
- var match = matchesById[matchId];
- if (match == null)
- throw new Error("Match "+matchId+" not found");
-
- Selection_set(match.startPos.node,match.startPos.offset,
- match.endPos.node,match.endPos.offset);
- Cursor_ensurePositionVisible(match.startPos,true);
- }
-
- function clearMatches()
- {
- for (var matchId in matchesById) {
- var match = matchesById[matchId];
- removeSpansForMatch(match);
- Position_untrack(match.startPos);
- Position_untrack(match.endPos);
- }
-
- matchesById = new Object();
- nextMatchId = 1;
- }
-
-})();