diff options
Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/tree/TreeFolder.js')
| -rw-r--r-- | webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/tree/TreeFolder.js | 605 |
1 files changed, 605 insertions, 0 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/tree/TreeFolder.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/tree/TreeFolder.js new file mode 100644 index 0000000000..3f660867f3 --- /dev/null +++ b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/ui/tree/TreeFolder.js @@ -0,0 +1,605 @@ +/* ************************************************************************ + + qooxdoo - the new era of web development + + http://qooxdoo.org + + Copyright: + 2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org + + License: + LGPL 2.1: http://www.gnu.org/licenses/lgpl.html + + Authors: + * Sebastian Werner (wpbasti) + * Andreas Ecker (ecker) + +************************************************************************ */ + +/* ************************************************************************ + +#module(ui_tree) + +************************************************************************ */ + +qx.OO.defineClass("qx.ui.tree.TreeFolder", qx.ui.tree.AbstractTreeElement, +function(vLabel, vIcon, vIconSelected) +{ + qx.ui.tree.AbstractTreeElement.call(this, vLabel, vIcon, vIconSelected); + + this._iconObject.setAppearance("tree-folder-icon"); + this._labelObject.setAppearance("tree-folder-label"); + + this.addEventListener("dblclick", this._ondblclick); + + // Remapping of add/remove methods + this.add = this.addToFolder; + this.addBefore = this.addBeforeToFolder; + this.addAfter = this.addAfterToFolder; + this.addAt = this.addAtToFolder; + this.addAtBegin = this.addAtBeginToFolder; + this.addAtEnd = this.addAtEndToFolder; + this.remove = this.removeFromFolder; +}); + + + +/* +--------------------------------------------------------------------------- + PROPERTIES +--------------------------------------------------------------------------- +*/ + + +qx.OO.changeProperty({ name : "appearance", type : "string", defaultValue : "tree-folder" }); +qx.OO.changeProperty({ name : "icon", type : "string" }); +qx.OO.changeProperty({ name : "iconSelected", type : "string" }); + +qx.OO.addProperty({ name : "open", type : "boolean", defaultValue : false }); +qx.OO.addProperty({ name : "alwaysShowPlusMinusSymbol", type : "boolean", defaultValue : false }); + + + + +/* +--------------------------------------------------------------------------- + UTILITIES +--------------------------------------------------------------------------- +*/ + +qx.Proto.hasContent = function() { + return this._containerObject && this._containerObject.getChildrenLength() > 0; +} + +qx.Proto.open = function() +{ + if (this.getOpen()) { + return; + } + + if (this.hasContent() && this.isSeeable()) + { + this.getTopLevelWidget().setGlobalCursor("progress"); + qx.client.Timer.once(this._openCallback, this, 0); + } + else + { + this.setOpen(true); + } +} + +qx.Proto.close = function() { + this.setOpen(false); +} + +qx.Proto.toggle = function() { + this.getOpen() ? this.close() : this.open(); +} + +qx.Proto._openCallback = function() +{ + this.setOpen(true); + qx.ui.core.Widget.flushGlobalQueues(); + this.getTopLevelWidget().setGlobalCursor(null); +} + + + + + + + + +/* +--------------------------------------------------------------------------- + CHILDREN HANDLING +--------------------------------------------------------------------------- +*/ + +qx.Proto._createChildrenStructure = function() +{ + this.setAppearance(this instanceof qx.ui.tree.Tree ? "tree-container" : "tree-folder-container"); + + if (!this._horizontalLayout) + { + this.setOrientation("vertical"); + + this._horizontalLayout = new qx.ui.layout.HorizontalBoxLayout; + this._horizontalLayout.setWidth(null); + this._horizontalLayout.setParent(this); + this._horizontalLayout.setAnonymous(true); + this._horizontalLayout.setAppearance(this instanceof qx.ui.tree.Tree ? "tree" : "tree-folder"); + + this._indentObject.setParent(this._horizontalLayout); + this._iconObject.setParent(this._horizontalLayout); + this._labelObject.setParent(this._horizontalLayout); + } + + if (!this._containerObject) + { + this._containerObject = new qx.ui.layout.VerticalBoxLayout; + this._containerObject.setWidth(null); + this._containerObject.setAnonymous(true); + + // it should be faster to first handle display, + // because the default display value is true and if we first + // setup the parent the logic do all to make the + // widget first visible and then, if the folder is not + // opened again invisible. + this._containerObject.setDisplay(this.getOpen()); + this._containerObject.setParent(this); + + // remap remove* functions + this.remapChildrenHandlingTo(this._containerObject); + } +} + +qx.Proto._handleChildMove = function(vChild, vRelationIndex, vRelationChild) +{ + if (vChild.isDisplayable()) + { + var vChildren = this._containerObject.getChildren(); + var vOldChildIndex = vChildren.indexOf(vChild); + + if (vOldChildIndex != -1) + { + if (vRelationChild) { + vRelationIndex = vChildren.indexOf(vRelationChild); + } + + if (vRelationIndex == vChildren.length-1) + { + vChild._updateIndent(); + + // Update indent of previous last child + this._containerObject.getLastVisibleChild()._updateIndent(); + } + else if (vChild._wasLastVisibleChild) + { + vChild._updateIndent(); + + // Update indent for new last child + var vPreviousSibling = vChild.getPreviousVisibleSibling(); + if (vPreviousSibling) { + vPreviousSibling._updateIndent(); + } + } + } + } +} + +qx.Proto.addToFolder = function() +{ + this._createChildrenStructure(); + + if (this._containerObject) { + return this._containerObject.add.apply(this._containerObject, arguments); + } +} + +qx.Proto.addBeforeToFolder = function(vChild, vBefore) +{ + this._createChildrenStructure(); + + if (this._containerObject) + { + this._handleChildMove(vChild, null, vBefore); + return this._containerObject.addBefore.apply(this._containerObject, arguments); + } +} + +qx.Proto.addAfterToFolder = function(vChild, vAfter) +{ + this._createChildrenStructure(); + + if (this._containerObject) + { + this._handleChildMove(vChild, null, vAfter); + return this._containerObject.addAfter.apply(this._containerObject, arguments); + } +} + +qx.Proto.addAtToFolder = function(vChild, vIndex) +{ + this._createChildrenStructure(); + + if (this._containerObject) + { + this._handleChildMove(vChild, vIndex); + return this._containerObject.addAt.apply(this._containerObject, arguments); + } +} + +qx.Proto.addAtBeginToFolder = function(vChild) { + return this.addAtToFolder(vChild, 0); +} + +qx.Proto.addAtEndToFolder = function(vChild) +{ + this._createChildrenStructure(); + + if (this._containerObject) + { + var vLast = this._containerObject.getLastChild(); + + if (vLast) + { + this._handleChildMove(vChild, null, vLast); + return this._containerObject.addAfter.call(this._containerObject, vChild, vLast); + } + else + { + return this.addAtBeginToFolder(vChild); + } + } +} + +qx.Proto._remappingChildTable = [ "remove", "removeAt", "removeAll" ]; + + + + + + +/* +--------------------------------------------------------------------------- + CHILDREN UTILITIES +--------------------------------------------------------------------------- +*/ + +qx.Proto.getContainerObject = function() { + return this._containerObject; +} + +qx.Proto.getHorizontalLayout = function() { + return this._horizontalLayout; +} + +qx.Proto.getFirstVisibleChildOfFolder = function() +{ + if (this._containerObject) { + return this._containerObject.getFirstChild(); + } +} + +qx.Proto.getLastVisibleChildOfFolder = function() +{ + if (this._containerObject) { + return this._containerObject.getLastChild(); + } +} + +qx.Proto.getItems = function(recursive, invisible) +{ + var a = [this]; + + if (this._containerObject) + { + var ch = invisible == true ? this._containerObject.getChildren() : this._containerObject.getVisibleChildren(); + + if (recursive == false) + { + a = a.concat(ch); + } + else + { + for (var i=0, chl=ch.length; i<chl; i++) { + a = a.concat(ch[i].getItems(recursive, invisible)); + } + } + } + + return a; +} + +/** + * <p>deselects, disconnects, removes and disposes the + * content of the folder and its subfolders. + * </p> + * + * <p>the current items subitems (and the subitems of each + * subitem) are destoyed going top down the TreeFolder + * hierarchy. The current item is left as is. + * </p> + */ +qx.Proto.destroyContent = function() { + if(this.hasContent()) { + + var manager = this.getTree() ? this.getTree().getManager() : null; + + var leadItem; + var anchorItem; + if(manager) { + leadItem = manager.getLeadItem(); + anchorItem = manager.getAnchorItem(); + } + + var items = this.getItems(); + var item; + + for(var i=items.length-1;i>=0;--i) { + item = items[i]; + + // this.getItems seems to also contain this. + // In order to avoid endless loops by calling + // recursively destroyContent we have to avoid + // destroying ourselves + if(item != this) { + if(manager) { + // set the leadItem to null if the current + // destroyed item is the leadItem + if(leadItem == item) { + manager.setLeadItem(null); + } + // set the anchorItem to null if the current + // destroyed item is the anchorItem + if(anchorItem == item) { + manager.setAnchorItem(null); + } + + // if the current destroyed item is + // selectd deselect the item. If we are + // in single selection mode we have to + // call deselectAll because setItemSelected + // refuses to deselect in this case + if(manager.getItemSelected(item)) { + if(manager.getMultiSelection()) { + manager.setItemSelected(item,false); + } + else { + manager.deselectAll(); + } + } + + // if the item has the method destroyContent defined + // then it is a TreeFolder (and it's subclasses) + // which potentially have content which also + // has to be destroyed + if (item.destroyContent) { + item.destroyContent(); + } + } + + // first disconnect the item so rendering + // of the tree lines can be done correctly + item.disconnect(); + this.remove(item); + item.dispose(); + } + } + } +} + + + + + + +/* +--------------------------------------------------------------------------- + MODIFIER +--------------------------------------------------------------------------- +*/ + +qx.Proto._evalCurrentIcon = function() +{ + if (this.getSelected()) { + return this.getIconSelected() || "icon/16/folder-open.png"; + } else { + return this.getIcon() || "icon/16/folder.png"; + } +} + +qx.Proto._modifyOpen = function(propValue, propOldValue, propData) +{ + this._updateLastColumn(); + + if (this._containerObject) { + this._containerObject.setDisplay(propValue); + } + + return true; +} + +qx.Proto._modifyAlwaysShowPlusMinusSymbol = function(propValue, propOldValue, propData) +{ + this._updateLastColumn(); + + return true; +} + +qx.Proto._updateLastColumn = function() +{ + if (this._indentObject) + { + var vElement = this._indentObject.getElement(); + + if (vElement && vElement.firstChild) { + vElement.firstChild.src = this.BASE_URI + this.getIndentSymbol(this.getTree().getUseTreeLines(), true) + ".gif"; + } + } +} + + + + + + + +/* +--------------------------------------------------------------------------- + EVENT LISTENERS +--------------------------------------------------------------------------- +*/ + +qx.Proto._onmousedown = function(e) +{ + var vOriginalTarget = e.getOriginalTarget(); + + switch(vOriginalTarget) + { + case this._indentObject: + if (this._indentObject.getElement().firstChild == e.getDomTarget()) + { + this.getTree().getManager().handleMouseDown(this, e); + this.toggle(); + } + + break; + + case this._containerObject: + break; + + case this: + if (this._containerObject) { + break; + } + + // no break here + + default: + this.getTree().getManager().handleMouseDown(this, e); + } + + e.stopPropagation(); +} + +qx.Proto._onmouseup = function(e) +{ + var vOriginalTarget = e.getOriginalTarget(); + + switch(vOriginalTarget) + { + case this._indentObject: + case this._containerObject: + case this: + break; + + default: + if (!this.getTree().getUseDoubleClick()) { + this.open(); + } + } +} + +qx.Proto._ondblclick = function(e) +{ + if (!this.getTree().getUseDoubleClick()) { + return; + } + + this.toggle(); + e.stopPropagation(); +} + + + + + + + +/* +--------------------------------------------------------------------------- + INDENT HELPER +--------------------------------------------------------------------------- +*/ + +qx.Proto.getIndentSymbol = function(vUseTreeLines, vIsLastColumn) +{ + if (vIsLastColumn) + { + if (this.hasContent() || this.getAlwaysShowPlusMinusSymbol()) + { + if (!vUseTreeLines) + { + return this.getOpen() ? "minus" : "plus"; + } + else if (this.isLastChild()) + { + return this.getOpen() ? "end_minus" : "end_plus"; + } + else + { + return this.getOpen() ? "cross_minus" : "cross_plus"; + } + } + else if (vUseTreeLines) + { + return this.isLastChild() ? "end" : "cross"; + } + } + else + { + return vUseTreeLines && !this.isLastChild() ? "line" : null; + } +} + +qx.Proto._updateIndent = function() +{ + // Intentionally bypass superclass; the _updateIndent we want is in TreeFile + qx.ui.tree.TreeFile.prototype._updateIndent.call(this); + + if (!this._containerObject) { + return; + } + + var ch = this._containerObject.getVisibleChildren(); + for (var i=0, l=ch.length; i<l; i++) { + ch[i]._updateIndent(); + } +} + + + + + + + +/* +--------------------------------------------------------------------------- + DISPOSER +--------------------------------------------------------------------------- +*/ + +qx.Proto.dispose = function() +{ + if (this.getDisposed()) { + return; + } + + this.removeEventListener("dblclick", this._ondblclick); + + if (this._horizontalLayout) + { + this._horizontalLayout.dispose(); + this._horizontalLayout = null; + } + + if (this._containerObject) + { + this._containerObject.dispose(); + this._containerObject = null; + } + + return qx.ui.tree.AbstractTreeElement.prototype.dispose.call(this); +} |