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Posted to commits@tapestry.apache.org by jk...@apache.org on 2006/09/23 01:22:51 UTC
svn commit: r449122 [8/40] - in
/tapestry/tapestry4/trunk/tapestry-framework/src: java/org/apache/tapestry/
java/org/apache/tapestry/dojo/ java/org/apache/tapestry/dojo/form/
java/org/apache/tapestry/dojo/html/ java/org/apache/tapestry/form/
java/org/a...
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragAndDrop.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragAndDrop.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragAndDrop.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragAndDrop.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,511 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.provide("dojo.dnd.HtmlDragAndDrop");
+dojo.provide("dojo.dnd.HtmlDragSource");
+dojo.provide("dojo.dnd.HtmlDropTarget");
+dojo.provide("dojo.dnd.HtmlDragObject");
+
+dojo.require("dojo.dnd.HtmlDragManager");
+dojo.require("dojo.dnd.DragAndDrop");
+
+dojo.require("dojo.html.*");
+dojo.require("dojo.html.display");
+dojo.require("dojo.html.util");
+dojo.require("dojo.html.selection");
+dojo.require("dojo.html.iframe");
+dojo.require("dojo.lang.extras");
+dojo.require("dojo.lfx.*");
+dojo.require("dojo.event.*");
+
+dojo.declare("dojo.dnd.HtmlDragSource", dojo.dnd.DragSource, {
+ dragClass: "", // CSS classname(s) applied to node when it is being dragged
+
+ onDragStart: function(){
+ var dragObj = new dojo.dnd.HtmlDragObject(this.dragObject, this.type);
+ if(this.dragClass) { dragObj.dragClass = this.dragClass; }
+
+ if (this.constrainToContainer) {
+ dragObj.constrainTo(this.constrainingContainer || this.domNode.parentNode);
+ }
+
+ return dragObj;
+ },
+
+ setDragHandle: function(node){
+ node = dojo.byId(node);
+ dojo.dnd.dragManager.unregisterDragSource(this);
+ this.domNode = node;
+ dojo.dnd.dragManager.registerDragSource(this);
+ },
+
+ setDragTarget: function(node){
+ this.dragObject = node;
+ },
+
+ constrainTo: function(container) {
+ this.constrainToContainer = true;
+ if (container) {
+ this.constrainingContainer = container;
+ }
+ },
+
+ /*
+ *
+ * see dojo.dnd.DragSource.onSelected
+ */
+ onSelected: function() {
+ for (var i=0; i<this.dragObjects.length; i++) {
+ dojo.dnd.dragManager.selectedSources.push(new dojo.dnd.HtmlDragSource(this.dragObjects[i]));
+ }
+ },
+
+ /**
+ * Register elements that should be dragged along with
+ * the actual DragSource.
+ *
+ * Example usage:
+ * var dragSource = new dojo.dnd.HtmlDragSource(...);
+ * // add a single element
+ * dragSource.addDragObjects(dojo.byId('id1'));
+ * // add multiple elements to drag along
+ * dragSource.addDragObjects(dojo.byId('id2'), dojo.byId('id3'));
+ *
+ * el A dom node to add to the drag list.
+ */
+ addDragObjects: function(/*DOMNode*/ el) {
+ for (var i=0; i<arguments.length; i++) {
+ this.dragObjects.push(arguments[i]);
+ }
+ }
+}, function(node, type){
+ node = dojo.byId(node);
+ this.dragObjects = [];
+ this.constrainToContainer = false;
+ if(node){
+ this.domNode = node;
+ this.dragObject = node;
+ // register us
+ dojo.dnd.DragSource.call(this);
+ // set properties that might have been clobbered by the mixin
+ this.type = (type)||(this.domNode.nodeName.toLowerCase());
+ }
+
+});
+
+dojo.declare("dojo.dnd.HtmlDragObject", dojo.dnd.DragObject, {
+ dragClass: "",
+ opacity: 0.5,
+ createIframe: true, // workaround IE6 bug
+
+ // if true, node will not move in X and/or Y direction
+ disableX: false,
+ disableY: false,
+
+ createDragNode: function() {
+ var node = this.domNode.cloneNode(true);
+ if(this.dragClass) { dojo.html.addClass(node, this.dragClass); }
+ if(this.opacity < 1) { dojo.html.setOpacity(node, this.opacity); }
+ if(node.tagName.toLowerCase() == "tr"){
+ // dojo.debug("Dragging table row")
+ // Create a table for the cloned row
+ var doc = this.domNode.ownerDocument;
+ var table = doc.createElement("table");
+ var tbody = doc.createElement("tbody");
+ table.appendChild(tbody);
+ tbody.appendChild(node);
+
+ // Set a fixed width to the cloned TDs
+ var domTds = this.domNode.childNodes;
+ var cloneTds = node.childNodes;
+ for(var i = 0; i < domTds.length; i++){
+ if((cloneTds[i])&&(cloneTds[i].style)){
+ cloneTds[i].style.width = dojo.html.getContentBox(domTds[i]).width + "px";
+ }
+ }
+ node = table;
+ }
+
+ if((dojo.render.html.ie55||dojo.render.html.ie60) && this.createIframe){
+ with(node.style) {
+ top="0px";
+ left="0px";
+ }
+ var outer = document.createElement("div");
+ outer.appendChild(node);
+ this.bgIframe = new dojo.html.BackgroundIframe(outer);
+ outer.appendChild(this.bgIframe.iframe);
+ node = outer;
+ }
+ node.style.zIndex = 999;
+
+ return node;
+ },
+
+ onDragStart: function(e){
+ dojo.html.clearSelection();
+
+ this.scrollOffset = dojo.html.getScroll().offset;
+ this.dragStartPosition = dojo.html.getAbsolutePosition(this.domNode, true);
+
+ this.dragOffset = {y: this.dragStartPosition.y - e.pageY,
+ x: this.dragStartPosition.x - e.pageX};
+
+ this.dragClone = this.createDragNode();
+
+ this.containingBlockPosition = this.domNode.offsetParent ?
+ dojo.html.getAbsolutePosition(this.domNode.offsetParent, true) : {x:0, y:0};
+
+ if (this.constrainToContainer) {
+ this.constraints = this.getConstraints();
+ }
+
+ // set up for dragging
+ with(this.dragClone.style){
+ position = "absolute";
+ top = this.dragOffset.y + e.pageY + "px";
+ left = this.dragOffset.x + e.pageX + "px";
+ }
+
+ dojo.body().appendChild(this.dragClone);
+
+ // shortly the browser will fire an onClick() event,
+ // but since this was really a drag, just squelch it
+ dojo.event.connect(this.domNode, "onclick", this, "squelchOnClick");
+
+ dojo.event.topic.publish('dragStart', { source: this } );
+ },
+
+ /** Return min/max x/y (relative to document.body) for this object) **/
+ getConstraints: function() {
+ if (this.constrainingContainer.nodeName.toLowerCase() == 'body') {
+ var viewport = dojo.html.getViewport();
+ var width = viewport.width;
+ var height = viewport.height;
+ var x = 0;
+ var y = 0;
+ } else {
+ var content = dojo.html.getContentBox(this.constrainingContainer);
+ width = content.width;
+ height = content.height;
+ x =
+ this.containingBlockPosition.x +
+ dojo.html.getPixelValue(this.constrainingContainer, "padding-left", true) +
+ dojo.html.getBorderExtent(this.constrainingContainer, "left");
+ y =
+ this.containingBlockPosition.y +
+ dojo.html.getPixelValue(this.constrainingContainer, "padding-top", true) +
+ dojo.html.getBorderExtent(this.constrainingContainer, "top");
+ }
+
+ var mb = dojo.html.getMarginBox(this.domNode);
+ return {
+ minX: x,
+ minY: y,
+ maxX: x + width - mb.width,
+ maxY: y + height - mb.height
+ }
+ },
+
+ updateDragOffset: function() {
+ var scroll = dojo.html.getScroll().offset;
+ if(scroll.y != this.scrollOffset.y) {
+ var diff = scroll.y - this.scrollOffset.y;
+ this.dragOffset.y += diff;
+ this.scrollOffset.y = scroll.y;
+ }
+ if(scroll.x != this.scrollOffset.x) {
+ var diff = scroll.x - this.scrollOffset.x;
+ this.dragOffset.x += diff;
+ this.scrollOffset.x = scroll.x;
+ }
+ },
+
+ /** Moves the node to follow the mouse */
+ onDragMove: function(e){
+ this.updateDragOffset();
+ var x = this.dragOffset.x + e.pageX;
+ var y = this.dragOffset.y + e.pageY;
+
+ if (this.constrainToContainer) {
+ if (x < this.constraints.minX) { x = this.constraints.minX; }
+ if (y < this.constraints.minY) { y = this.constraints.minY; }
+ if (x > this.constraints.maxX) { x = this.constraints.maxX; }
+ if (y > this.constraints.maxY) { y = this.constraints.maxY; }
+ }
+
+ this.setAbsolutePosition(x, y);
+
+ dojo.event.topic.publish('dragMove', { source: this } );
+ },
+
+ /**
+ * Set the position of the drag clone. (x,y) is relative to <body>.
+ */
+ setAbsolutePosition: function(x, y){
+ // The drag clone is attached to document.body so this is trivial
+ if(!this.disableY) { this.dragClone.style.top = y + "px"; }
+ if(!this.disableX) { this.dragClone.style.left = x + "px"; }
+ },
+
+
+ /**
+ * If the drag operation returned a success we reomve the clone of
+ * ourself from the original position. If the drag operation returned
+ * failure we slide back over to where we came from and end the operation
+ * with a little grace.
+ */
+ onDragEnd: function(e){
+ switch(e.dragStatus){
+
+ case "dropSuccess":
+ dojo.html.removeNode(this.dragClone);
+ this.dragClone = null;
+ break;
+
+ case "dropFailure": // slide back to the start
+ var startCoords = dojo.html.getAbsolutePosition(this.dragClone, true);
+ // offset the end so the effect can be seen
+ var endCoords = { left: this.dragStartPosition.x + 1,
+ top: this.dragStartPosition.y + 1};
+
+ // animate
+ var anim = dojo.lfx.slideTo(this.dragClone, endCoords, 500, dojo.lfx.easeOut);
+ var dragObject = this;
+ dojo.event.connect(anim, "onEnd", function (e) {
+ // pause for a second (not literally) and disappear
+ dojo.lang.setTimeout(function() {
+ dojo.html.removeNode(dragObject.dragClone);
+ // Allow drag clone to be gc'ed
+ dragObject.dragClone = null;
+ },
+ 200);
+ });
+ anim.play();
+ break;
+ }
+
+ dojo.event.topic.publish('dragEnd', { source: this } );
+ },
+
+ squelchOnClick: function(e){
+ // squelch this onClick() event because it's the result of a drag (it's not a real click)
+ dojo.event.browser.stopEvent(e);
+
+ // disconnect after a short delay to prevent "Null argument to unrollAdvice()" warning
+ dojo.lang.setTimeout(function() {
+ dojo.event.disconnect(this.domNode, "onclick", this, "squelchOnClick");
+ },50);
+ },
+
+ constrainTo: function(container) {
+ this.constrainToContainer=true;
+ if (container) {
+ this.constrainingContainer = container;
+ } else {
+ this.constrainingContainer = this.domNode.parentNode;
+ }
+ }
+}, function(node, type){
+ this.domNode = dojo.byId(node);
+ this.type = type;
+ this.constrainToContainer = false;
+ this.dragSource = null;
+});
+
+dojo.declare("dojo.dnd.HtmlDropTarget", dojo.dnd.DropTarget, {
+ vertical: false,
+ onDragOver: function(e){
+ if(!this.accepts(e.dragObjects)){ return false; }
+
+ // cache the positions of the child nodes
+ this.childBoxes = [];
+ for (var i = 0, child; i < this.domNode.childNodes.length; i++) {
+ child = this.domNode.childNodes[i];
+ if (child.nodeType != dojo.html.ELEMENT_NODE) { continue; }
+ var pos = dojo.html.getAbsolutePosition(child, true);
+ var inner = dojo.html.getBorderBox(child);
+ this.childBoxes.push({top: pos.y, bottom: pos.y+inner.height,
+ left: pos.x, right: pos.x+inner.width, height: inner.height,
+ width: inner.width, node: child});
+ }
+
+ // TODO: use dummy node
+
+ return true;
+ },
+
+ _getNodeUnderMouse: function(e){
+ // find the child
+ for (var i = 0, child; i < this.childBoxes.length; i++) {
+ with (this.childBoxes[i]) {
+ if (e.pageX >= left && e.pageX <= right &&
+ e.pageY >= top && e.pageY <= bottom) { return i; }
+ }
+ }
+
+ return -1;
+ },
+
+ createDropIndicator: function() {
+ this.dropIndicator = document.createElement("div");
+ with (this.dropIndicator.style) {
+ position = "absolute";
+ zIndex = 999;
+ if(this.vertical){
+ borderLeftWidth = "1px";
+ borderLeftColor = "black";
+ borderLeftStyle = "solid";
+ height = dojo.html.getBorderBox(this.domNode).height + "px";
+ top = dojo.html.getAbsolutePosition(this.domNode, true).y + "px";
+ }else{
+ borderTopWidth = "1px";
+ borderTopColor = "black";
+ borderTopStyle = "solid";
+ width = dojo.html.getBorderBox(this.domNode).width + "px";
+ left = dojo.html.getAbsolutePosition(this.domNode, true).x + "px";
+ }
+ }
+ },
+
+ onDragMove: function(e, dragObjects){
+ var i = this._getNodeUnderMouse(e);
+
+ if(!this.dropIndicator){
+ this.createDropIndicator();
+ }
+
+ var gravity = this.vertical ? dojo.html.gravity.WEST : dojo.html.gravity.NORTH;
+ var hide = false;
+ if(i < 0) {
+ if(this.childBoxes.length) {
+ var before = (dojo.html.gravity(this.childBoxes[0].node, e) & gravity);
+ if(before){ hide = true; }
+ } else {
+ var before = true;
+ }
+ } else {
+ var child = this.childBoxes[i];
+ var before = (dojo.html.gravity(child.node, e) & gravity);
+ if(child.node === dragObjects[0].dragSource.domNode){
+ hide = true;
+ }else{
+ var currentPosChild = before ?
+ (i>0?this.childBoxes[i-1]:child) :
+ (i<this.childBoxes.length-1?this.childBoxes[i+1]:child);
+ if(currentPosChild.node === dragObjects[0].dragSource.domNode){
+ hide = true;
+ }
+ }
+ }
+
+ if(hide){
+ this.dropIndicator.style.display="none";
+ return;
+ }else{
+ this.dropIndicator.style.display="";
+ }
+
+ this.placeIndicator(e, dragObjects, i, before);
+
+ if(!dojo.html.hasParent(this.dropIndicator)) {
+ dojo.body().appendChild(this.dropIndicator);
+ }
+ },
+
+ /**
+ * Position the horizontal line that indicates "insert between these two items"
+ */
+ placeIndicator: function(e, dragObjects, boxIndex, before) {
+ var targetProperty = this.vertical ? "left" : "top";
+ var child;
+ if (boxIndex < 0) {
+ if (this.childBoxes.length) {
+ child = before ? this.childBoxes[0]
+ : this.childBoxes[this.childBoxes.length - 1];
+ } else {
+ this.dropIndicator.style[targetProperty] = dojo.html.getAbsolutePosition(this.domNode, true)[this.vertical?"x":"y"] + "px";
+ }
+ } else {
+ child = this.childBoxes[boxIndex];
+ }
+ if(child){
+ this.dropIndicator.style[targetProperty] = (before ? child[targetProperty] : child[this.vertical?"right":"bottom"]) + "px";
+ if(this.vertical){
+ this.dropIndicator.style.height = child.height + "px";
+ this.dropIndicator.style.top = child.top + "px";
+ }else{
+ this.dropIndicator.style.width = child.width + "px";
+ this.dropIndicator.style.left = child.left + "px";
+ }
+ }
+ },
+
+ onDragOut: function(e) {
+ if(this.dropIndicator) {
+ dojo.html.removeNode(this.dropIndicator);
+ delete this.dropIndicator;
+ }
+ },
+
+ /**
+ * Inserts the DragObject as a child of this node relative to the
+ * position of the mouse.
+ *
+ * @return true if the DragObject was inserted, false otherwise
+ */
+ onDrop: function(e){
+ this.onDragOut(e);
+
+ var i = this._getNodeUnderMouse(e);
+
+ var gravity = this.vertical ? dojo.html.gravity.WEST : dojo.html.gravity.NORTH;
+ if (i < 0) {
+ if (this.childBoxes.length) {
+ if (dojo.html.gravity(this.childBoxes[0].node, e) & gravity) {
+ return this.insert(e, this.childBoxes[0].node, "before");
+ } else {
+ return this.insert(e, this.childBoxes[this.childBoxes.length-1].node, "after");
+ }
+ }
+ return this.insert(e, this.domNode, "append");
+ }
+
+ var child = this.childBoxes[i];
+ if (dojo.html.gravity(child.node, e) & gravity) {
+ return this.insert(e, child.node, "before");
+ } else {
+ return this.insert(e, child.node, "after");
+ }
+ },
+
+ insert: function(e, refNode, position) {
+ var node = e.dragObject.domNode;
+
+ if(position == "before") {
+ return dojo.html.insertBefore(node, refNode);
+ } else if(position == "after") {
+ return dojo.html.insertAfter(node, refNode);
+ } else if(position == "append") {
+ refNode.appendChild(node);
+ return true;
+ }
+
+ return false;
+ }
+}, function(node, types){
+ if (arguments.length == 0) { return; }
+ this.domNode = dojo.byId(node);
+ dojo.dnd.DropTarget.call(this);
+ if(types && dojo.lang.isString(types)) {
+ types = [types];
+ }
+ this.acceptedTypes = types || [];
+});
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragAndDrop.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragManager.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragManager.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragManager.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragManager.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,505 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.provide("dojo.dnd.HtmlDragManager");
+dojo.require("dojo.dnd.DragAndDrop");
+dojo.require("dojo.event.*");
+dojo.require("dojo.lang.array");
+dojo.require("dojo.html.common");
+dojo.require("dojo.html.layout");
+
+// NOTE: there will only ever be a single instance of HTMLDragManager, so it's
+// safe to use prototype properties for book-keeping.
+dojo.declare("dojo.dnd.HtmlDragManager", dojo.dnd.DragManager, {
+ /**
+ * There are several sets of actions that the DnD code cares about in the
+ * HTML context:
+ * 1.) mouse-down ->
+ * (draggable selection)
+ * (dragObject generation)
+ * mouse-move ->
+ * (draggable movement)
+ * (droppable detection)
+ * (inform droppable)
+ * (inform dragObject)
+ * mouse-up
+ * (inform/destroy dragObject)
+ * (inform draggable)
+ * (inform droppable)
+ * 2.) mouse-down -> mouse-down
+ * (click-hold context menu)
+ * 3.) mouse-click ->
+ * (draggable selection)
+ * shift-mouse-click ->
+ * (augment draggable selection)
+ * mouse-down ->
+ * (dragObject generation)
+ * mouse-move ->
+ * (draggable movement)
+ * (droppable detection)
+ * (inform droppable)
+ * (inform dragObject)
+ * mouse-up
+ * (inform draggable)
+ * (inform droppable)
+ * 4.) mouse-up
+ * (clobber draggable selection)
+ */
+ disabled: false, // to kill all dragging!
+ nestedTargets: false,
+ mouseDownTimer: null, // used for click-hold operations
+ dsCounter: 0,
+ dsPrefix: "dojoDragSource",
+
+ // dimension calculation cache for use durring drag
+ dropTargetDimensions: [],
+
+ currentDropTarget: null,
+ // currentDropTargetPoints: null,
+ previousDropTarget: null,
+ _dragTriggered: false,
+
+ selectedSources: [],
+ dragObjects: [],
+
+ // mouse position properties
+ currentX: null,
+ currentY: null,
+ lastX: null,
+ lastY: null,
+ mouseDownX: null,
+ mouseDownY: null,
+ threshold: 7,
+
+ dropAcceptable: false,
+
+ cancelEvent: function(e){ e.stopPropagation(); e.preventDefault();},
+
+ // method over-rides
+ registerDragSource: function(ds){
+ //dojo.profile.start("register DragSource");
+
+ if(ds["domNode"]){
+ // FIXME: dragSource objects SHOULD have some sort of property that
+ // references their DOM node, we shouldn't just be passing nodes and
+ // expecting it to work.
+ //dojo.profile.start("register DragSource 1");
+ var dp = this.dsPrefix;
+ var dpIdx = dp+"Idx_"+(this.dsCounter++);
+ ds.dragSourceId = dpIdx;
+ this.dragSources[dpIdx] = ds;
+ ds.domNode.setAttribute(dp, dpIdx);
+ //dojo.profile.end("register DragSource 1");
+
+ //dojo.profile.start("register DragSource 2");
+
+ // so we can drag links
+ if(dojo.render.html.ie){
+ //dojo.profile.start("register DragSource IE");
+
+ dojo.event.browser.addListener(ds.domNode, "ondragstart", this.cancelEvent);
+ // terribly slow
+ //dojo.event.connect(ds.domNode, "ondragstart", this.cancelEvent);
+ //dojo.profile.end("register DragSource IE");
+
+ }
+ //dojo.profile.end("register DragSource 2");
+
+ }
+ //dojo.profile.end("register DragSource");
+ },
+
+ unregisterDragSource: function(ds){
+ if (ds["domNode"]){
+ var dp = this.dsPrefix;
+ var dpIdx = ds.dragSourceId;
+ delete ds.dragSourceId;
+ delete this.dragSources[dpIdx];
+ ds.domNode.setAttribute(dp, null);
+ if(dojo.render.html.ie){
+ dojo.event.browser.removeListener(ds.domNode, "ondragstart", this.cancelEvent);
+ }
+ }
+ },
+
+ registerDropTarget: function(dt){
+ this.dropTargets.push(dt);
+ },
+
+ unregisterDropTarget: function(dt){
+ var index = dojo.lang.find(this.dropTargets, dt, true);
+ if (index>=0) {
+ this.dropTargets.splice(index, 1);
+ }
+ },
+
+ /**
+ * Get the DOM element that is meant to drag.
+ * Loop through the parent nodes of the event target until
+ * the element is found that was created as a DragSource and
+ * return it.
+ *
+ * @param event object The event for which to get the drag source.
+ */
+ getDragSource: function(e){
+ var tn = e.target;
+ if(tn === dojo.body()){ return; }
+ var ta = dojo.html.getAttribute(tn, this.dsPrefix);
+ while((!ta)&&(tn)){
+ tn = tn.parentNode;
+ if((!tn)||(tn === dojo.body())){ return; }
+ ta = dojo.html.getAttribute(tn, this.dsPrefix);
+ }
+ return this.dragSources[ta];
+ },
+
+ onKeyDown: function(e){
+ },
+
+ onMouseDown: function(e){
+ if(this.disabled) { return; }
+
+ // only begin on left click
+ if(dojo.render.html.ie) {
+ if(e.button != 1) { return; }
+ } else if(e.which != 1) {
+ return;
+ }
+
+ var target = e.target.nodeType == dojo.html.TEXT_NODE ?
+ e.target.parentNode : e.target;
+
+ // do not start drag involvement if the user is interacting with
+ // a form element.
+ if(dojo.html.isTag(target, "button", "textarea", "input", "select", "option")) {
+ return;
+ }
+
+ // find a selection object, if one is a parent of the source node
+ var ds = this.getDragSource(e);
+
+ // this line is important. if we aren't selecting anything then
+ // we need to return now, so preventDefault() isn't called, and thus
+ // the event is propogated to other handling code
+ if(!ds){ return; }
+
+ if(!dojo.lang.inArray(this.selectedSources, ds)){
+ this.selectedSources.push(ds);
+ ds.onSelected();
+ }
+
+ this.mouseDownX = e.pageX;
+ this.mouseDownY = e.pageY;
+
+ // Must stop the mouse down from being propogated, or otherwise can't
+ // drag links in firefox.
+ // WARNING: preventing the default action on all mousedown events
+ // prevents user interaction with the contents.
+ e.preventDefault();
+
+ dojo.event.connect(document, "onmousemove", this, "onMouseMove");
+ },
+
+ onMouseUp: function(e, cancel){
+ // if we aren't dragging then ignore the mouse-up
+ // (in particular, don't call preventDefault(), because other
+ // code may need to process this event)
+ if(this.selectedSources.length==0){
+ return;
+ }
+
+ this.mouseDownX = null;
+ this.mouseDownY = null;
+ this._dragTriggered = false;
+ // e.preventDefault();
+ e.dragSource = this.dragSource;
+ // let ctrl be used for multiselect or another action
+ // if I use same key to trigger treeV3 node selection and here,
+ // I have bugs with drag'n'drop. why ?? no idea..
+ if((!e.shiftKey)&&(!e.ctrlKey)){
+ //if(!e.shiftKey){
+ if(this.currentDropTarget) {
+ this.currentDropTarget.onDropStart();
+ }
+ dojo.lang.forEach(this.dragObjects, function(tempDragObj){
+ var ret = null;
+ if(!tempDragObj){ return; }
+ if(this.currentDropTarget) {
+ e.dragObject = tempDragObj;
+
+ // NOTE: we can't get anything but the current drop target
+ // here since the drag shadow blocks mouse-over events.
+ // This is probelematic for dropping "in" something
+ var ce = this.currentDropTarget.domNode.childNodes;
+ if(ce.length > 0){
+ e.dropTarget = ce[0];
+ while(e.dropTarget == tempDragObj.domNode){
+ e.dropTarget = e.dropTarget.nextSibling;
+ }
+ }else{
+ e.dropTarget = this.currentDropTarget.domNode;
+ }
+ if(this.dropAcceptable){
+ ret = this.currentDropTarget.onDrop(e);
+ }else{
+ this.currentDropTarget.onDragOut(e);
+ }
+ }
+
+ e.dragStatus = this.dropAcceptable && ret ? "dropSuccess" : "dropFailure";
+ // decouple the calls for onDragEnd, so they don't block the execution here
+ // ie. if the onDragEnd would call an alert, the execution here is blocked until the
+ // user has confirmed the alert box and then the rest of the dnd code is executed
+ // while the mouse doesnt "hold" the dragged object anymore ... and so on
+ dojo.lang.delayThese([
+ function() {
+ // in FF1.5 this throws an exception, see
+ // http://dojotoolkit.org/pipermail/dojo-interest/2006-April/006751.html
+ try{
+ tempDragObj.dragSource.onDragEnd(e)
+ } catch(err) {
+ // since the problem seems passing e, we just copy all
+ // properties and try the copy ...
+ var ecopy = {};
+ for (var i in e) {
+ if (i=="type") { // the type property contains the exception, no idea why...
+ ecopy.type = "mouseup";
+ continue;
+ }
+ ecopy[i] = e[i];
+ }
+ tempDragObj.dragSource.onDragEnd(ecopy);
+ }
+ }
+ , function() {tempDragObj.onDragEnd(e)}]);
+ }, this);
+
+ this.selectedSources = [];
+ this.dragObjects = [];
+ this.dragSource = null;
+ if(this.currentDropTarget) {
+ this.currentDropTarget.onDropEnd();
+ }
+ } else {
+ //dojo.debug("special click");
+ }
+
+ dojo.event.disconnect(document, "onmousemove", this, "onMouseMove");
+ this.currentDropTarget = null;
+ },
+
+ onScroll: function(){
+ //dojo.profile.start("DNDManager updateoffset");
+ for(var i = 0; i < this.dragObjects.length; i++) {
+ if(this.dragObjects[i].updateDragOffset) {
+ this.dragObjects[i].updateDragOffset();
+ }
+ }
+ //dojo.profile.end("DNDManager updateoffset");
+
+ // TODO: do not recalculate, only adjust coordinates
+ if (this.dragObjects.length) {
+ this.cacheTargetLocations();
+ }
+ },
+
+ _dragStartDistance: function(x, y){
+ if((!this.mouseDownX)||(!this.mouseDownX)){
+ return;
+ }
+ var dx = Math.abs(x-this.mouseDownX);
+ var dx2 = dx*dx;
+ var dy = Math.abs(y-this.mouseDownY);
+ var dy2 = dy*dy;
+ return parseInt(Math.sqrt(dx2+dy2), 10);
+ },
+
+ cacheTargetLocations: function(){
+ dojo.profile.start("cacheTargetLocations");
+
+ this.dropTargetDimensions = [];
+ dojo.lang.forEach(this.dropTargets, function(tempTarget){
+ var tn = tempTarget.domNode;
+ //only cache dropTarget which can accept current dragSource
+ if(!tn || dojo.lang.find(tempTarget.acceptedTypes, this.dragSource.type) < 0){ return; }
+ var abs = dojo.html.getAbsolutePosition(tn, true);
+ var bb = dojo.html.getBorderBox(tn);
+ this.dropTargetDimensions.push([
+ [abs.x, abs.y], // upper-left
+ // lower-right
+ [ abs.x+bb.width, abs.y+bb.height ],
+ tempTarget
+ ]);
+ //dojo.debug("Cached for "+tempTarget)
+ }, this);
+
+ dojo.profile.end("cacheTargetLocations");
+
+ //dojo.debug("Cache locations")
+ },
+
+ onMouseMove: function(e){
+ if((dojo.render.html.ie)&&(e.button != 1)){
+ // Oooops - mouse up occurred - e.g. when mouse was not over the
+ // window. I don't think we can detect this for FF - but at least
+ // we can be nice in IE.
+ this.currentDropTarget = null;
+ this.onMouseUp(e, true);
+ return;
+ }
+
+ // if we've got some sources, but no drag objects, we need to send
+ // onDragStart to all the right parties and get things lined up for
+ // drop target detection
+
+ if( (this.selectedSources.length)&&
+ (!this.dragObjects.length) ){
+ var dx;
+ var dy;
+ if(!this._dragTriggered){
+ this._dragTriggered = (this._dragStartDistance(e.pageX, e.pageY) > this.threshold);
+ if(!this._dragTriggered){ return; }
+ dx = e.pageX - this.mouseDownX;
+ dy = e.pageY - this.mouseDownY;
+ }
+
+ // the first element is always our dragSource, if there are multiple
+ // selectedSources (elements that move along) then the first one is the master
+ // and for it the events will be fired etc.
+ this.dragSource = this.selectedSources[0];
+
+ dojo.lang.forEach(this.selectedSources, function(tempSource){
+ if(!tempSource){ return; }
+ var tdo = tempSource.onDragStart(e);
+ if(tdo){
+ tdo.onDragStart(e);
+
+ // "bump" the drag object to account for the drag threshold
+ tdo.dragOffset.y += dy;
+ tdo.dragOffset.x += dx;
+ tdo.dragSource = tempSource;
+
+ this.dragObjects.push(tdo);
+ }
+ }, this);
+
+ /* clean previous drop target in dragStart */
+ this.previousDropTarget = null;
+
+ this.cacheTargetLocations();
+ }
+
+ // FIXME: we need to add dragSources and dragObjects to e
+ dojo.lang.forEach(this.dragObjects, function(dragObj){
+ if(dragObj){ dragObj.onDragMove(e); }
+ });
+
+ // if we have a current drop target, check to see if we're outside of
+ // it. If so, do all the actions that need doing.
+ if(this.currentDropTarget){
+ //dojo.debug(dojo.html.hasParent(this.currentDropTarget.domNode))
+ var c = dojo.html.toCoordinateObject(this.currentDropTarget.domNode, true);
+ // var dtp = this.currentDropTargetPoints;
+ var dtp = [
+ [c.x,c.y], [c.x+c.width, c.y+c.height]
+ ];
+ }
+
+ if((!this.nestedTargets)&&(dtp)&&(this.isInsideBox(e, dtp))){
+ if(this.dropAcceptable){
+ this.currentDropTarget.onDragMove(e, this.dragObjects);
+ }
+ }else{
+ // FIXME: need to fix the event object!
+ // see if we can find a better drop target
+ var bestBox = this.findBestTarget(e);
+
+ if(bestBox.target === null){
+ if(this.currentDropTarget){
+ this.currentDropTarget.onDragOut(e);
+ this.previousDropTarget = this.currentDropTarget;
+ this.currentDropTarget = null;
+ // this.currentDropTargetPoints = null;
+ }
+ this.dropAcceptable = false;
+ return;
+ }
+
+ if(this.currentDropTarget !== bestBox.target){
+ if(this.currentDropTarget){
+ this.previousDropTarget = this.currentDropTarget;
+ this.currentDropTarget.onDragOut(e);
+ }
+ this.currentDropTarget = bestBox.target;
+ // this.currentDropTargetPoints = bestBox.points;
+ e.dragObjects = this.dragObjects;
+ this.dropAcceptable = this.currentDropTarget.onDragOver(e);
+
+ }else{
+ if(this.dropAcceptable){
+ this.currentDropTarget.onDragMove(e, this.dragObjects);
+ }
+ }
+ }
+ },
+
+ findBestTarget: function(e) {
+ var _this = this;
+ var bestBox = new Object();
+ bestBox.target = null;
+ bestBox.points = null;
+ dojo.lang.every(this.dropTargetDimensions, function(tmpDA) {
+ if(!_this.isInsideBox(e, tmpDA)){
+ return true;
+ }
+
+ bestBox.target = tmpDA[2];
+ bestBox.points = tmpDA;
+ // continue iterating only if _this.nestedTargets == true
+ return Boolean(_this.nestedTargets);
+ });
+
+ return bestBox;
+ },
+
+ isInsideBox: function(e, coords){
+ if( (e.pageX > coords[0][0])&&
+ (e.pageX < coords[1][0])&&
+ (e.pageY > coords[0][1])&&
+ (e.pageY < coords[1][1]) ){
+ return true;
+ }
+ return false;
+ },
+
+ onMouseOver: function(e){
+ },
+
+ onMouseOut: function(e){
+ }
+});
+
+dojo.dnd.dragManager = new dojo.dnd.HtmlDragManager();
+
+// global namespace protection closure
+(function(){
+ var d = document;
+ var dm = dojo.dnd.dragManager;
+ //TODO: when focus manager is ready, dragManager should be rewritten to use it
+ // set up event handlers on the document (or no?)
+ dojo.event.connect(d, "onkeydown", dm, "onKeyDown");
+ dojo.event.connect(d, "onmouseover", dm, "onMouseOver");
+ dojo.event.connect(d, "onmouseout", dm, "onMouseOut");
+ dojo.event.connect(d, "onmousedown", dm, "onMouseDown");
+ dojo.event.connect(d, "onmouseup", dm, "onMouseUp");
+ // TODO: process scrolling of elements, not only window (focus manager would
+ // probably come to rescue here as well)
+ dojo.event.connect(window, "onscroll", dm, "onScroll");
+})();
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragManager.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragMove.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragMove.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragMove.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragMove.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,68 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.provide("dojo.dnd.HtmlDragMove");
+dojo.provide("dojo.dnd.HtmlDragMoveSource");
+dojo.provide("dojo.dnd.HtmlDragMoveObject");
+dojo.require("dojo.dnd.*");
+
+dojo.declare("dojo.dnd.HtmlDragMoveSource", dojo.dnd.HtmlDragSource, {
+ onDragStart: function(){
+ var dragObj = new dojo.dnd.HtmlDragMoveObject(this.dragObject, this.type);
+ if (this.constrainToContainer) {
+ dragObj.constrainTo(this.constrainingContainer);
+ }
+ return dragObj;
+ },
+ /*
+ * see dojo.dnd.HtmlDragSource.onSelected
+ */
+ onSelected: function() {
+ for (var i=0; i<this.dragObjects.length; i++) {
+ dojo.dnd.dragManager.selectedSources.push(new dojo.dnd.HtmlDragMoveSource(this.dragObjects[i]));
+ }
+ }
+});
+
+dojo.declare("dojo.dnd.HtmlDragMoveObject", dojo.dnd.HtmlDragObject, {
+ onDragEnd: function(e){
+ // shortly the browser will fire an onClick() event,
+ // but since this was really a drag, just squelch it
+ dojo.event.connect(this.domNode, "onclick", this, "squelchOnClick");
+ },
+ onDragStart: function(e){
+ dojo.html.clearSelection();
+
+ this.dragClone = this.domNode;
+
+ this.scrollOffset = dojo.html.getScroll().offset;
+ this.dragStartPosition = dojo.html.abs(this.domNode, true);
+
+ this.dragOffset = {y: this.dragStartPosition.y - e.pageY,
+ x: this.dragStartPosition.x - e.pageX};
+
+ this.containingBlockPosition = this.domNode.offsetParent ?
+ dojo.html.abs(this.domNode.offsetParent, true) : {x:0, y:0};
+
+ this.dragClone.style.position = "absolute";
+
+ if (this.constrainToContainer) {
+ this.constraints = this.getConstraints();
+ }
+ },
+ /**
+ * Set the position of the drag node. (x,y) is relative to <body>.
+ */
+ setAbsolutePosition: function(x, y){
+ // The drag clone is attached to it's constraining container so offset for that
+ if(!this.disableY) { this.domNode.style.top = (y-this.containingBlockPosition.y) + "px"; }
+ if(!this.disableX) { this.domNode.style.left = (x-this.containingBlockPosition.x) + "px"; }
+ }
+});
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/HtmlDragMove.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/Sortable.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/Sortable.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/Sortable.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/Sortable.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,28 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.provide("dojo.dnd.Sortable");
+dojo.require("dojo.dnd.*");
+
+dojo.dnd.Sortable = function () {}
+
+dojo.lang.extend(dojo.dnd.Sortable, {
+
+ ondragstart: function (e) {
+ var dragObject = e.target;
+ while (dragObject.parentNode && dragObject.parentNode != this) {
+ dragObject = dragObject.parentNode;
+ }
+ // TODO: should apply HtmlDropTarget interface to self
+ // TODO: should apply HtmlDragObject interface?
+ return dragObject;
+ }
+
+});
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/Sortable.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDrop.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDrop.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDrop.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDrop.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,478 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+/**
+ * TreeDrag* specialized on managing subtree drags
+ * It selects nodes and visualises what's going on,
+ * but delegates real actions upon tree to the controller
+ *
+ * This code is considered a part of controller
+*/
+
+dojo.provide("dojo.dnd.TreeDragAndDrop");
+dojo.provide("dojo.dnd.TreeDragSource");
+dojo.provide("dojo.dnd.TreeDropTarget");
+dojo.provide("dojo.dnd.TreeDNDController");
+
+dojo.require("dojo.dnd.HtmlDragAndDrop");
+dojo.require("dojo.lang.func");
+dojo.require("dojo.lang.array");
+dojo.require("dojo.lang.extras");
+dojo.require("dojo.html.layout");
+
+dojo.dnd.TreeDragSource = function(node, syncController, type, treeNode){
+ this.controller = syncController;
+ this.treeNode = treeNode;
+
+ dojo.dnd.HtmlDragSource.call(this, node, type);
+}
+
+dojo.inherits(dojo.dnd.TreeDragSource, dojo.dnd.HtmlDragSource);
+
+dojo.lang.extend(dojo.dnd.TreeDragSource, {
+ onDragStart: function(){
+ /* extend adds functions to prototype */
+ var dragObject = dojo.dnd.HtmlDragSource.prototype.onDragStart.call(this);
+ //dojo.debugShallow(dragObject)
+
+ dragObject.treeNode = this.treeNode;
+
+ dragObject.onDragStart = dojo.lang.hitch(dragObject, function(e) {
+
+ /* save selection */
+ this.savedSelectedNode = this.treeNode.tree.selector.selectedNode;
+ if (this.savedSelectedNode) {
+ this.savedSelectedNode.unMarkSelected();
+ }
+
+ var result = dojo.dnd.HtmlDragObject.prototype.onDragStart.apply(this, arguments);
+
+
+ /* remove background grid from cloned object */
+ var cloneGrid = this.dragClone.getElementsByTagName('img');
+ for(var i=0; i<cloneGrid.length; i++) {
+ cloneGrid.item(i).style.backgroundImage='url()';
+ }
+
+ return result;
+
+
+ });
+
+ dragObject.onDragEnd = function(e) {
+
+ /* restore selection */
+ if (this.savedSelectedNode) {
+ this.savedSelectedNode.markSelected();
+ }
+ //dojo.debug(e.dragStatus);
+
+ return dojo.dnd.HtmlDragObject.prototype.onDragEnd.apply(this, arguments);
+ }
+ //dojo.debug(dragObject.domNode.outerHTML)
+
+
+ return dragObject;
+ },
+
+ onDragEnd: function(e){
+
+
+ var res = dojo.dnd.HtmlDragSource.prototype.onDragEnd.call(this, e);
+
+
+ return res;
+ }
+});
+
+// .......................................
+
+dojo.dnd.TreeDropTarget = function(domNode, controller, type, treeNode){
+
+ this.treeNode = treeNode;
+ this.controller = controller; // I will sync-ly process drops
+
+ dojo.dnd.HtmlDropTarget.apply(this, [domNode, type]);
+}
+
+dojo.inherits(dojo.dnd.TreeDropTarget, dojo.dnd.HtmlDropTarget);
+
+dojo.lang.extend(dojo.dnd.TreeDropTarget, {
+
+ autoExpandDelay: 1500,
+ autoExpandTimer: null,
+
+
+ position: null,
+
+ indicatorStyle: "2px black solid",
+
+ showIndicator: function(position) {
+
+ // do not change style too often, cause of blinking possible
+ if (this.position == position) {
+ return;
+ }
+
+ //dojo.debug(position)
+
+ this.hideIndicator();
+
+ this.position = position;
+
+ if (position == "before") {
+ this.treeNode.labelNode.style.borderTop = this.indicatorStyle;
+ } else if (position == "after") {
+ this.treeNode.labelNode.style.borderBottom = this.indicatorStyle;
+ } else if (position == "onto") {
+ this.treeNode.markSelected();
+ }
+
+
+ },
+
+ hideIndicator: function() {
+ this.treeNode.labelNode.style.borderBottom="";
+ this.treeNode.labelNode.style.borderTop="";
+ this.treeNode.unMarkSelected();
+ this.position = null;
+ },
+
+
+
+ // is the target possibly ok ?
+ // This function is run on dragOver, but drop possibility is also determined by position over node
+ // that's why acceptsWithPosition is called
+ // doesnt take index into account ( can change while moving mouse w/o changing target )
+
+
+ /**
+ * Coarse (tree-level) access check.
+ * We can't determine real accepts status w/o position
+ */
+ onDragOver: function(e){
+//dojo.debug("onDragOver for "+e);
+
+
+ var accepts = dojo.dnd.HtmlDropTarget.prototype.onDragOver.apply(this, arguments);
+
+ //dojo.debug("TreeDropTarget.onDragOver accepts:"+accepts)
+
+ if (accepts && this.treeNode.isFolder && !this.treeNode.isExpanded) {
+ this.setAutoExpandTimer();
+ }
+
+ return accepts;
+ },
+
+ /* Parent.onDragOver calls this function to get accepts status */
+ accepts: function(dragObjects) {
+
+ var accepts = dojo.dnd.HtmlDropTarget.prototype.accepts.apply(this, arguments);
+
+ if (!accepts) return false;
+
+ var sourceTreeNode = dragObjects[0].treeNode;
+
+ if (dojo.lang.isUndefined(sourceTreeNode) || !sourceTreeNode || !sourceTreeNode.isTreeNode) {
+ dojo.raise("Source is not TreeNode or not found");
+ }
+
+ if (sourceTreeNode === this.treeNode) return false;
+
+ return true;
+ },
+
+
+
+ setAutoExpandTimer: function() {
+ // set up autoexpand timer
+ var _this = this;
+
+ var autoExpand = function () {
+ if (dojo.dnd.dragManager.currentDropTarget === _this) {
+ _this.controller.expand(_this.treeNode);
+ }
+ }
+
+ this.autoExpandTimer = dojo.lang.setTimeout(autoExpand, _this.autoExpandDelay);
+ },
+
+
+ getDNDMode: function() {
+ return this.treeNode.tree.DNDMode;
+ },
+
+
+ getAcceptPosition: function(e, sourceTreeNode) {
+
+ var DNDMode = this.getDNDMode();
+
+ if (DNDMode & dojo.widget.Tree.prototype.DNDModes.ONTO &&
+ // check if ONTO is allowed localy
+ !(
+ !this.treeNode.actionIsDisabled(dojo.widget.TreeNode.prototype.actions.ADDCHILD) // check dynamically cause may change w/o regeneration of dropTarget
+ && sourceTreeNode.parent !== this.treeNode
+ && this.controller.canMove(sourceTreeNode, this.treeNode)
+ )
+ ) {
+ // disable ONTO if can't move
+ DNDMode &= ~dojo.widget.Tree.prototype.DNDModes.ONTO;
+ }
+
+
+ var position = this.getPosition(e, DNDMode);
+
+ //dojo.debug(DNDMode & +" : "+position);
+
+
+ // if onto is here => it was allowed before, no accept check is needed
+ if (position=="onto" ||
+ (!this.isAdjacentNode(sourceTreeNode, position)
+ && this.controller.canMove(sourceTreeNode, this.treeNode.parent)
+ )
+ ) {
+ return position;
+ } else {
+ return false;
+ }
+
+ },
+
+ onDragOut: function(e) {
+ this.clearAutoExpandTimer();
+
+ this.hideIndicator();
+ },
+
+
+ clearAutoExpandTimer: function() {
+ if (this.autoExpandTimer) {
+ clearTimeout(this.autoExpandTimer);
+ this.autoExpandTimer = null;
+ }
+ },
+
+
+
+ onDragMove: function(e, dragObjects){
+
+ var sourceTreeNode = dragObjects[0].treeNode;
+
+ var position = this.getAcceptPosition(e, sourceTreeNode);
+
+ if (position) {
+ this.showIndicator(position);
+ }
+
+ },
+
+ isAdjacentNode: function(sourceNode, position) {
+
+ if (sourceNode === this.treeNode) return true;
+ if (sourceNode.getNextSibling() === this.treeNode && position=="before") return true;
+ if (sourceNode.getPreviousSibling() === this.treeNode && position=="after") return true;
+
+ return false;
+ },
+
+
+ /* get DNDMode and see which position e fits */
+ getPosition: function(e, DNDMode) {
+ var node = dojo.byId(this.treeNode.labelNode);
+ var mousey = e.pageY || e.clientY + dojo.body().scrollTop;
+ var nodey = dojo.html.getAbsolutePosition(node).y;
+ var height = dojo.html.getBorderBox(node).height;
+
+ var relY = mousey - nodey;
+ var p = relY / height;
+
+ var position = ""; // "" <=> forbidden
+ if (DNDMode & dojo.widget.Tree.prototype.DNDModes.ONTO
+ && DNDMode & dojo.widget.Tree.prototype.DNDModes.BETWEEN) {
+ if (p<=0.3) {
+ position = "before";
+ } else if (p<=0.7) {
+ position = "onto";
+ } else {
+ position = "after";
+ }
+ } else if (DNDMode & dojo.widget.Tree.prototype.DNDModes.BETWEEN) {
+ if (p<=0.5) {
+ position = "before";
+ } else {
+ position = "after";
+ }
+ }
+ else if (DNDMode & dojo.widget.Tree.prototype.DNDModes.ONTO) {
+ position = "onto";
+ }
+
+
+ return position;
+ },
+
+
+
+ getTargetParentIndex: function(sourceTreeNode, position) {
+
+ var index = position == "before" ? this.treeNode.getParentIndex() : this.treeNode.getParentIndex()+1;
+ if (this.treeNode.parent === sourceTreeNode.parent
+ && this.treeNode.getParentIndex() > sourceTreeNode.getParentIndex()) {
+ index--; // dragging a node is different for simple move bacause of before-after issues
+ }
+
+ return index;
+ },
+
+
+ onDrop: function(e){
+ // onDragOut will clean position
+
+
+ var position = this.position;
+
+//dojo.debug(position);
+
+ this.onDragOut(e);
+
+ var sourceTreeNode = e.dragObject.treeNode;
+
+ if (!dojo.lang.isObject(sourceTreeNode)) {
+ dojo.raise("TreeNode not found in dragObject")
+ }
+
+ if (position == "onto") {
+ return this.controller.move(sourceTreeNode, this.treeNode, 0);
+ } else {
+ var index = this.getTargetParentIndex(sourceTreeNode, position);
+ return this.controller.move(sourceTreeNode, this.treeNode.parent, index);
+ }
+
+ //dojo.debug('drop2');
+
+
+
+ }
+
+
+});
+
+
+
+dojo.dnd.TreeDNDController = function(treeController) {
+
+ // I use this controller to perform actions
+ this.treeController = treeController;
+
+ this.dragSources = {};
+
+ this.dropTargets = {};
+
+}
+
+dojo.lang.extend(dojo.dnd.TreeDNDController, {
+
+
+ listenTree: function(tree) {
+ //dojo.debug("Listen tree "+tree);
+ dojo.event.topic.subscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
+ dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
+ dojo.event.topic.subscribe(tree.eventNames.moveTo, this, "onMoveTo");
+ dojo.event.topic.subscribe(tree.eventNames.addChild, this, "onAddChild");
+ dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode");
+ dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
+ },
+
+
+ unlistenTree: function(tree) {
+ //dojo.debug("Listen tree "+tree);
+ dojo.event.topic.unsubscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
+ dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
+ dojo.event.topic.unsubscribe(tree.eventNames.moveTo, this, "onMoveTo");
+ dojo.event.topic.unsubscribe(tree.eventNames.addChild, this, "onAddChild");
+ dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode");
+ dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
+ },
+
+ onTreeDestroy: function(message) {
+ this.unlistenTree(message.source);
+ // I'm not widget so don't use destroy() call and dieWithTree
+ },
+
+ onCreateDOMNode: function(message) {
+ this.registerDNDNode(message.source);
+ },
+
+ onAddChild: function(message) {
+ this.registerDNDNode(message.child);
+ },
+
+ onMoveFrom: function(message) {
+ var _this = this;
+ dojo.lang.forEach(
+ message.child.getDescendants(),
+ function(node) { _this.unregisterDNDNode(node); }
+ );
+ },
+
+ onMoveTo: function(message) {
+ var _this = this;
+ dojo.lang.forEach(
+ message.child.getDescendants(),
+ function(node) { _this.registerDNDNode(node); }
+ );
+ },
+
+ /**
+ * Controller(node model) creates DNDNodes because it passes itself to node for synchroneous drops processing
+ * I can't process DnD with events cause an event can't return result success/false
+ */
+ registerDNDNode: function(node) {
+ if (!node.tree.DNDMode) return;
+
+//dojo.debug("registerDNDNode "+node);
+
+ /* I drag label, not domNode, because large domNodes are very slow to copy and large to drag */
+
+ var source = null;
+ var target = null;
+
+ if (!node.actionIsDisabled(node.actions.MOVE)) {
+ //dojo.debug("reg source")
+ var source = new dojo.dnd.TreeDragSource(node.labelNode, this, node.tree.widgetId, node);
+ this.dragSources[node.widgetId] = source;
+ }
+
+ var target = new dojo.dnd.TreeDropTarget(node.labelNode, this.treeController, node.tree.DNDAcceptTypes, node);
+
+ this.dropTargets[node.widgetId] = target;
+
+ },
+
+
+ unregisterDNDNode: function(node) {
+
+ if (this.dragSources[node.widgetId]) {
+ dojo.dnd.dragManager.unregisterDragSource(this.dragSources[node.widgetId]);
+ delete this.dragSources[node.widgetId];
+ }
+
+ if (this.dropTargets[node.widgetId]) {
+ dojo.dnd.dragManager.unregisterDropTarget(this.dropTargets[node.widgetId]);
+ delete this.dropTargets[node.widgetId];
+ }
+ }
+
+
+
+
+
+});
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDrop.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDropV3.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDropV3.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDropV3.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDropV3.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,406 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+/**
+ * TreeDrag* specialized on managing subtree drags
+ * It selects nodes and visualises what's going on,
+ * but delegates real actions upon tree to the controller
+ *
+ * This code is considered a part of controller
+*/
+
+dojo.provide("dojo.dnd.TreeDragAndDropV3");
+dojo.provide("dojo.dnd.TreeDragSourceV3");
+dojo.provide("dojo.dnd.TreeDropTargetV3");
+
+dojo.require("dojo.dnd.HtmlDragAndDrop");
+dojo.require("dojo.lang.func");
+dojo.require("dojo.lang.array");
+dojo.require("dojo.lang.extras");
+dojo.require("dojo.Deferred");
+dojo.require("dojo.html.layout");
+
+// FIXME: if controller can't move then skip node on move start
+dojo.dnd.TreeDragSourceV3 = function(node, syncController, type, treeNode){
+ //dojo.profile.start("TreeDragSourceV3 "+treeNode);
+ this.controller = syncController;
+ this.treeNode = treeNode;
+
+ dojo.dnd.HtmlDragSource.call(this, node, type);
+ //dojo.profile.end("TreeDragSourceV3 "+treeNode);
+
+}
+
+dojo.inherits(dojo.dnd.TreeDragSourceV3, dojo.dnd.HtmlDragSource);
+
+
+// .......................................
+
+dojo.dnd.TreeDropTargetV3 = function(domNode, controller, type, treeNode){
+
+ this.treeNode = treeNode;
+ this.controller = controller; // I will sync-ly process drops
+
+ dojo.dnd.HtmlDropTarget.call(this, domNode, type);
+}
+
+dojo.inherits(dojo.dnd.TreeDropTargetV3, dojo.dnd.HtmlDropTarget);
+
+dojo.lang.extend(dojo.dnd.TreeDropTargetV3, {
+
+ autoExpandDelay: 1500,
+ autoExpandTimer: null,
+
+
+ position: null,
+
+ indicatorStyle: "2px black groove",
+
+ showIndicator: function(position) {
+
+ // do not change style too often, cause of blinking possible
+ if (this.position == position) {
+ return;
+ }
+
+ //dojo.debug("set position for "+this.treeNode)
+
+ this.hideIndicator();
+
+ this.position = position;
+
+ var node = this.treeNode;
+
+
+ node.contentNode.style.width = dojo.html.getBorderBox(node.labelNode).width + "px";
+
+ if (position == "onto") {
+ node.contentNode.style.border = this.indicatorStyle;
+ } else {
+ // FIXME: bottom-top or highlight should cover ONLY top/bottom or div itself,
+ // not span whole line (try Dnd)
+ // FAILURE: Can't put span inside div: multiline bottom-top will span multiple lines
+ if (position == "before") {
+ node.contentNode.style.borderTop = this.indicatorStyle;
+ } else if (position == "after") {
+ node.contentNode.style.borderBottom = this.indicatorStyle;
+ }
+ }
+ },
+
+ hideIndicator: function() {
+ this.treeNode.contentNode.style.borderBottom = "";
+ this.treeNode.contentNode.style.borderTop = "";
+ this.treeNode.contentNode.style.border = "";
+ this.treeNode.contentNode.style.width=""
+ this.position = null;
+ },
+
+
+
+ // is the target possibly ok ?
+ // This function is run on dragOver, but drop possibility is also determined by position over node
+ // that's why acceptsWithPosition is called
+ // doesnt take index into account ( can change while moving mouse w/o changing target )
+ /**
+ * Coarse (tree-level) access check.
+ * We can't determine real accepts status w/o position
+ */
+ onDragOver: function(e){
+ //dojo.debug("onDragOver for "+e);
+
+ var accepts = dojo.dnd.HtmlDropTarget.prototype.onDragOver.apply(this, arguments);
+
+ //dojo.debug("TreeDropTarget.onDragOver accepts:"+accepts)
+
+ if (accepts && this.treeNode.isFolder && !this.treeNode.isExpanded) {
+ this.setAutoExpandTimer();
+ }
+
+ if (accepts) {
+ this.cacheNodeCoords();
+ }
+
+
+ return accepts;
+ },
+
+ /* Parent.onDragOver calls this function to get accepts status */
+ accepts: function(dragObjects) {
+
+ var accepts = dojo.dnd.HtmlDropTarget.prototype.accepts.apply(this, arguments);
+
+ //dojo.debug("accepts "+accepts);
+
+ if (!accepts) return false;
+
+ for(var i=0; i<dragObjects.length; i++) {
+ // there may be NO treeNode
+ var sourceTreeNode = dragObjects[i].dragSource.treeNode;
+
+ if (sourceTreeNode === this.treeNode) return false;
+ }
+
+ return true;
+ },
+
+
+
+ setAutoExpandTimer: function() {
+ // set up autoexpand timer
+ var _this = this;
+
+ var autoExpand = function () {
+ if (dojo.dnd.dragManager.currentDropTarget === _this) {
+ _this.controller.expand(_this.treeNode);
+ // SLOW. Coordinates will not be recalculated if collapse occurs, or
+ // other (generic) resize. So that's a kind of hack.
+ dojo.dnd.dragManager.cacheTargetLocations();
+ }
+ }
+
+ this.autoExpandTimer = dojo.lang.setTimeout(autoExpand, _this.autoExpandDelay);
+ },
+
+
+
+ getAcceptPosition: function(e, dragObjects) {
+
+
+ var DndMode = this.treeNode.tree.DndMode;
+
+ // disable ONTO mode possibility if impossible
+ if (DndMode & dojo.widget.TreeV3.prototype.DndModes.ONTO &&
+ // check if ONTO is allowed localy
+ // check dynamically cause may change w/o regeneration of dropTarget
+ this.treeNode.actionIsDisabledNow(this.treeNode.actions.ADDCHILD)
+ ) {
+ // disable ONTO if can't move
+ DndMode &= ~dojo.widget.TreeV3.prototype.DndModes.ONTO;
+ }
+
+
+ var position = this.getPosition(e, DndMode);
+
+ //dojo.debug(DndMode & +" : "+position);
+
+
+ // if onto is here => it was allowed before, no accept check is needed
+ if (position=="onto") {
+ return position;
+ }
+
+ for(var i=0; i<dragObjects.length; i++) {
+ var source = dragObjects[i].dragSource;
+ if (source.treeNode && this.isAdjacentNode(source.treeNode, position)) { // skip check if same parent
+ continue;
+ }
+
+ if (!this.controller.canMove(source.treeNode ? source.treeNode : source, this.treeNode.parent)) {
+ return false;
+ }
+ }
+
+ return position;
+
+ },
+
+
+
+ onDropEnd: function(e) {
+ this.clearAutoExpandTimer();
+
+ this.hideIndicator();
+ },
+
+
+ onDragOut: function(e) {
+ this.clearAutoExpandTimer();
+
+ this.hideIndicator();
+ },
+
+ clearAutoExpandTimer: function() {
+ if (this.autoExpandTimer) {
+ clearTimeout(this.autoExpandTimer);
+ this.autoExpandTimer = null;
+ }
+ },
+
+
+
+ onDragMove: function(e, dragObjects){
+
+ var position = this.getAcceptPosition(e, dragObjects);
+
+ if (position) {
+ this.showIndicator(position);
+ }
+
+ },
+
+ isAdjacentNode: function(sourceNode, position) {
+
+ if (sourceNode === this.treeNode) return true;
+ if (sourceNode.getNextSibling() === this.treeNode && position=="before") return true;
+ if (sourceNode.getPreviousSibling() === this.treeNode && position=="after") return true;
+
+ return false;
+ },
+
+
+ /**
+ * cache node coordinates to speed up onDragMove
+ */
+ cacheNodeCoords: function() {
+ var node = this.treeNode.contentNode;
+
+ this.cachedNodeY = dojo.html.getAbsolutePosition(node).y;
+ this.cachedNodeHeight = dojo.html.getBorderBox(node).height;
+ },
+
+
+
+ /* get DndMode and see which position e fits */
+ getPosition: function(e, DndMode) {
+ var mousey = e.pageY || e.clientY + dojo.body().scrollTop;
+
+ var relY = mousey - this.cachedNodeY;
+ var p = relY / this.cachedNodeHeight;
+
+ var position = ""; // "" <=> forbidden
+ if (DndMode & dojo.widget.TreeV3.prototype.DndModes.ONTO
+ && DndMode & dojo.widget.TreeV3.prototype.DndModes.BETWEEN) {
+ //dojo.debug("BOTH");
+ if (p<=0.33) {
+ position = "before";
+ // if children are expanded then I ignore understrike, cause it is confusing with firstChild
+ // but for last nodes I put understrike there
+ } else if (p<=0.66 || this.treeNode.isExpanded && this.treeNode.children.length && !this.treeNode.isLastChild()) {
+ position = "onto";
+ } else {
+ position = "after";
+ }
+ } else if (DndMode & dojo.widget.TreeV3.prototype.DndModes.BETWEEN) {
+ //dojo.debug("BETWEEN");
+ if (p<=0.5 || this.treeNode.isExpanded && this.treeNode.children.length && !this.treeNode.isLastChild()) {
+ position = "before";
+ } else {
+ position = "after";
+ }
+ }
+ else if (DndMode & dojo.widget.TreeV3.prototype.DndModes.ONTO) {
+ //dojo.debug("ONTO");
+ position = "onto";
+ }
+
+ //dojo.debug(position);
+
+ return position;
+ },
+
+
+
+ getTargetParentIndex: function(source, position) {
+
+ var index = position == "before" ? this.treeNode.getParentIndex() : this.treeNode.getParentIndex()+1;
+ if (source.treeNode
+ && this.treeNode.parent === source.treeNode.parent
+ && this.treeNode.getParentIndex() > source.treeNode.getParentIndex()) {
+ index--; // dragging a node is different for simple move bacause of before-after issues
+ }
+
+ return index;
+ },
+
+
+ onDrop: function(e) {
+ // onDropEnd will clean position
+
+
+ var position = this.position;
+
+//dojo.debug(position);
+ var source = e.dragObject.dragSource;
+
+ //dojo.debug("onDrop "+source.treeNode+" " + position + " "+this.treeNode);
+
+
+ var targetParent, targetIndex;
+ if (position == "onto") {
+ targetParent = this.treeNode;
+ targetIndex = 0;
+ } else {
+ targetIndex = this.getTargetParentIndex(source, position);
+ targetParent = this.treeNode.parent;
+ }
+
+ //dojo.profile.start("onDrop "+sourceTreeNode);
+ var r = this.getDropHandler(e, source, targetParent, targetIndex)();
+
+ //dojo.profile.end("onDrop "+sourceTreeNode);
+
+ return r;
+
+ },
+
+ /**
+ * determine, which action I should perform with nodes
+ * e.g move, clone..
+ */
+ getDropHandler: function(e, source, targetParent, targetIndex) {
+ var handler;
+ var _this = this;
+ handler = function () {
+ var result;
+
+ //dojo.debug("Move "+source.treeNode+" to parent "+targetParent+":"+targetIndex);
+ if (source.treeNode) {
+ result = _this.controller.move(source.treeNode, targetParent, targetIndex, true);
+ //dojo.debug("moved "+result);
+ } else {
+ if (dojo.lang.isFunction(source.onDrop)) {
+ source.onDrop(targetParent, targetIndex);
+ }
+
+ var treeNode = source.getTreeNode();
+ if (treeNode) {
+ result = _this.controller.createChild(targetParent, targetIndex, treeNode, true);
+ } else {
+ result = true;
+ }
+ }
+
+ if (result instanceof dojo.Deferred) {
+ // this Deferred is always sync
+ var isSuccess = result.fired == 0;
+ if (!isSuccess) {
+ _this.handleDropError(source, targetParent, targetIndex, result);
+ }
+
+ return isSuccess;
+
+ } else {
+ return result;
+ }
+ }
+
+ return handler;
+ },
+
+
+ handleDropError: function(source, parent, index, result) {
+ dojo.debug("TreeDropTargetV3.handleDropError: DND error occured");
+ dojo.debugShallow(result);
+ }
+
+
+});
+
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/TreeDragAndDropV3.js
------------------------------------------------------------------------------
svn:eol-style = native
Added: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/__package__.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/__package__.js?view=auto&rev=449122
==============================================================================
--- tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/__package__.js (added)
+++ tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/__package__.js Fri Sep 22 16:22:30 2006
@@ -0,0 +1,16 @@
+/*
+ Copyright (c) 2004-2006, The Dojo Foundation
+ All Rights Reserved.
+
+ Licensed under the Academic Free License version 2.1 or above OR the
+ modified BSD license. For more information on Dojo licensing, see:
+
+ http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.kwCompoundRequire({
+ common: ["dojo.dnd.DragAndDrop"],
+ browser: ["dojo.dnd.HtmlDragAndDrop"],
+ dashboard: ["dojo.dnd.HtmlDragAndDrop"]
+});
+dojo.provide("dojo.dnd.*");
Propchange: tapestry/tapestry4/trunk/tapestry-framework/src/js/dojo/src/dnd/__package__.js
------------------------------------------------------------------------------
svn:eol-style = native