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1318 alexandre_ 1
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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1422 alexandre_ 11
 
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1318 alexandre_ 13
dojo.provide("dojo.widget.SplitContainer");
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dojo.require("dojo.widget.*");
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dojo.require("dojo.widget.ContentPane");
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dojo.require("dojo.widget.HtmlWidget");
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dojo.require("dojo.html.style");
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dojo.require("dojo.html.layout");
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dojo.require("dojo.html.selection");
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dojo.require("dojo.io.cookie");
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dojo.widget.defineWidget("dojo.widget.SplitContainer", dojo.widget.HtmlWidget, function () {
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	this.sizers = [];
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}, {isContainer:true, templateCssString:".dojoSplitContainer{\n\tposition: relative;\n\toverflow: hidden;\n\tdisplay: block;\n}\n\n.dojoSplitPane{\n\tposition: absolute;\n}\n\n.dojoSplitContainerSizerH,\n.dojoSplitContainerSizerV {\n\tfont-size: 1px;\n\tcursor: move;\n\tcursor: w-resize;\n\tbackground-color: ThreeDFace;\n\tborder: 1px solid;\n\tborder-color: ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight;\n\tmargin: 0;\n}\n\n.dojoSplitContainerSizerV {\n\tcursor: n-resize;\n}\n\n.dojoSplitContainerVirtualSizerH,\n.dojoSplitContainerVirtualSizerV {\n\tfont-size: 1px;\n\tcursor: move;\n\tcursor: w-resize;\n\tbackground-color: ThreeDShadow;\n\t-moz-opacity: 0.5;\n\topacity: 0.5;\n\tfilter: Alpha(Opacity=50);\n\tmargin: 0;\n}\n\n.dojoSplitContainerVirtualSizerV {\n\tcursor: n-resize;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/SplitContainer.css"), activeSizing:false, sizerWidth:15, orientation:"horizontal", persist:true, postMixInProperties:function () {
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	dojo.widget.SplitContainer.superclass.postMixInProperties.apply(this, arguments);
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	this.isHorizontal = (this.orientation == "horizontal");
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}, fillInTemplate:function () {
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	dojo.widget.SplitContainer.superclass.fillInTemplate.apply(this, arguments);
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	dojo.html.addClass(this.domNode, "dojoSplitContainer");
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	if (dojo.render.html.moz) {
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		this.domNode.style.overflow = "-moz-scrollbars-none";
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	}
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	var content = dojo.html.getContentBox(this.domNode);
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	this.paneWidth = content.width;
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	this.paneHeight = content.height;
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}, onResized:function (e) {
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	var content = dojo.html.getContentBox(this.domNode);
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	this.paneWidth = content.width;
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	this.paneHeight = content.height;
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	this._layoutPanels();
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}, postCreate:function (args, fragment, parentComp) {
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	dojo.widget.SplitContainer.superclass.postCreate.apply(this, arguments);
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	for (var i = 0; i < this.children.length; i++) {
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		with (this.children[i].domNode.style) {
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			position = "absolute";
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		}
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		dojo.html.addClass(this.children[i].domNode, "dojoSplitPane");
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		if (i == this.children.length - 1) {
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			break;
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		}
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		this._addSizer();
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	}
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	if (typeof this.sizerWidth == "object") {
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		try {
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			this.sizerWidth = parseInt(this.sizerWidth.toString());
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		}
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		catch (e) {
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			this.sizerWidth = 15;
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		}
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	}
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	this.virtualSizer = document.createElement("div");
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	this.virtualSizer.style.position = "absolute";
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	this.virtualSizer.style.display = "none";
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	this.virtualSizer.style.zIndex = 10;
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	this.virtualSizer.className = this.isHorizontal ? "dojoSplitContainerVirtualSizerH" : "dojoSplitContainerVirtualSizerV";
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	this.domNode.appendChild(this.virtualSizer);
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	dojo.html.disableSelection(this.virtualSizer);
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	if (this.persist) {
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		this._restoreState();
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	}
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	this.resizeSoon();
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}, _injectChild:function (child) {
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	with (child.domNode.style) {
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		position = "absolute";
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	}
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	dojo.html.addClass(child.domNode, "dojoSplitPane");
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}, _addSizer:function () {
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	var i = this.sizers.length;
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	this.sizers[i] = document.createElement("div");
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	this.sizers[i].style.position = "absolute";
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	this.sizers[i].className = this.isHorizontal ? "dojoSplitContainerSizerH" : "dojoSplitContainerSizerV";
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	var self = this;
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	var handler = (function () {
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		var sizer_i = i;
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		return function (e) {
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			self.beginSizing(e, sizer_i);
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		};
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	})();
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	dojo.event.connect(this.sizers[i], "onmousedown", handler);
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	this.domNode.appendChild(this.sizers[i]);
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	dojo.html.disableSelection(this.sizers[i]);
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}, removeChild:function (widget) {
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	if (this.sizers.length > 0) {
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		for (var x = 0; x < this.children.length; x++) {
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			if (this.children[x] === widget) {
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				var i = this.sizers.length - 1;
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				this.domNode.removeChild(this.sizers[i]);
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				this.sizers.length = i;
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				break;
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			}
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		}
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	}
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	dojo.widget.SplitContainer.superclass.removeChild.call(this, widget, arguments);
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	this.onResized();
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}, addChild:function (widget) {
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	dojo.widget.SplitContainer.superclass.addChild.apply(this, arguments);
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	this._injectChild(widget);
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	if (this.children.length > 1) {
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		this._addSizer();
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	}
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	this._layoutPanels();
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}, _layoutPanels:function () {
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	if (this.children.length == 0) {
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		return;
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	}
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	var space = this.isHorizontal ? this.paneWidth : this.paneHeight;
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	if (this.children.length > 1) {
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		space -= this.sizerWidth * (this.children.length - 1);
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	}
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	var out_of = 0;
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	for (var i = 0; i < this.children.length; i++) {
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		out_of += this.children[i].sizeShare;
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	}
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	var pix_per_unit = space / out_of;
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	var total_size = 0;
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	for (var i = 0; i < this.children.length - 1; i++) {
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		var size = Math.round(pix_per_unit * this.children[i].sizeShare);
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		this.children[i].sizeActual = size;
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		total_size += size;
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	}
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	this.children[this.children.length - 1].sizeActual = space - total_size;
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	this._checkSizes();
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	var pos = 0;
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	var size = this.children[0].sizeActual;
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	this._movePanel(this.children[0], pos, size);
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	this.children[0].position = pos;
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	pos += size;
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	for (var i = 1; i < this.children.length; i++) {
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		this._moveSlider(this.sizers[i - 1], pos, this.sizerWidth);
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		this.sizers[i - 1].position = pos;
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		pos += this.sizerWidth;
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		size = this.children[i].sizeActual;
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		this._movePanel(this.children[i], pos, size);
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		this.children[i].position = pos;
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		pos += size;
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	}
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}, _movePanel:function (panel, pos, size) {
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	if (this.isHorizontal) {
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		panel.domNode.style.left = pos + "px";
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		panel.domNode.style.top = 0;
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		panel.resizeTo(size, this.paneHeight);
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	} else {
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		panel.domNode.style.left = 0;
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		panel.domNode.style.top = pos + "px";
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		panel.resizeTo(this.paneWidth, size);
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	}
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}, _moveSlider:function (slider, pos, size) {
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	if (this.isHorizontal) {
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		slider.style.left = pos + "px";
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		slider.style.top = 0;
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		dojo.html.setMarginBox(slider, {width:size, height:this.paneHeight});
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	} else {
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		slider.style.left = 0;
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		slider.style.top = pos + "px";
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		dojo.html.setMarginBox(slider, {width:this.paneWidth, height:size});
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	}
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}, _growPane:function (growth, pane) {
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	if (growth > 0) {
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		if (pane.sizeActual > pane.sizeMin) {
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			if ((pane.sizeActual - pane.sizeMin) > growth) {
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				pane.sizeActual = pane.sizeActual - growth;
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				growth = 0;
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			} else {
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				growth -= pane.sizeActual - pane.sizeMin;
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				pane.sizeActual = pane.sizeMin;
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			}
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		}
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	}
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	return growth;
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}, _checkSizes:function () {
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	var total_min_size = 0;
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	var total_size = 0;
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	for (var i = 0; i < this.children.length; i++) {
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		total_size += this.children[i].sizeActual;
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		total_min_size += this.children[i].sizeMin;
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	}
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	if (total_min_size <= total_size) {
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		var growth = 0;
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		for (var i = 0; i < this.children.length; i++) {
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			if (this.children[i].sizeActual < this.children[i].sizeMin) {
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				growth += this.children[i].sizeMin - this.children[i].sizeActual;
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				this.children[i].sizeActual = this.children[i].sizeMin;
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			}
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		}
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		if (growth > 0) {
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			if (this.isDraggingLeft) {
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				for (var i = this.children.length - 1; i >= 0; i--) {
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					growth = this._growPane(growth, this.children[i]);
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				}
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			} else {
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				for (var i = 0; i < this.children.length; i++) {
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					growth = this._growPane(growth, this.children[i]);
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				}
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			}
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		}
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	} else {
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		for (var i = 0; i < this.children.length; i++) {
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			this.children[i].sizeActual = Math.round(total_size * (this.children[i].sizeMin / total_min_size));
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		}
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	}
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}, beginSizing:function (e, i) {
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	this.paneBefore = this.children[i];
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	this.paneAfter = this.children[i + 1];
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	this.isSizing = true;
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	this.sizingSplitter = this.sizers[i];
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	this.originPos = dojo.html.getAbsolutePosition(this.children[0].domNode, true, dojo.html.boxSizing.MARGIN_BOX);
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	if (this.isHorizontal) {
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		var client = (e.layerX ? e.layerX : e.offsetX);
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		var screen = e.pageX;
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		this.originPos = this.originPos.x;
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	} else {
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		var client = (e.layerY ? e.layerY : e.offsetY);
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		var screen = e.pageY;
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		this.originPos = this.originPos.y;
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	}
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	this.startPoint = this.lastPoint = screen;
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	this.screenToClientOffset = screen - client;
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	this.dragOffset = this.lastPoint - this.paneBefore.sizeActual - this.originPos - this.paneBefore.position;
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	if (!this.activeSizing) {
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		this._showSizingLine();
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	}
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	dojo.event.connect(document.documentElement, "onmousemove", this, "changeSizing");
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	dojo.event.connect(document.documentElement, "onmouseup", this, "endSizing");
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	dojo.event.browser.stopEvent(e);
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}, changeSizing:function (e) {
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	this.lastPoint = this.isHorizontal ? e.pageX : e.pageY;
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	if (this.activeSizing) {
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		this.movePoint();
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		this._updateSize();
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	} else {
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		this.movePoint();
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		this._moveSizingLine();
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	}
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	dojo.event.browser.stopEvent(e);
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}, endSizing:function (e) {
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	if (!this.activeSizing) {
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		this._hideSizingLine();
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	}
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	this._updateSize();
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	this.isSizing = false;
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	dojo.event.disconnect(document.documentElement, "onmousemove", this, "changeSizing");
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	dojo.event.disconnect(document.documentElement, "onmouseup", this, "endSizing");
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	if (this.persist) {
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		this._saveState(this);
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	}
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}, movePoint:function () {
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	var p = this.lastPoint - this.screenToClientOffset;
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	var a = p - this.dragOffset;
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	a = this.legaliseSplitPoint(a);
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	p = a + this.dragOffset;
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	this.lastPoint = p + this.screenToClientOffset;
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}, legaliseSplitPoint:function (a) {
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	a += this.sizingSplitter.position;
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	this.isDraggingLeft = (a > 0) ? true : false;
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	if (!this.activeSizing) {
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		if (a < this.paneBefore.position + this.paneBefore.sizeMin) {
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			a = this.paneBefore.position + this.paneBefore.sizeMin;
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		}
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		if (a > this.paneAfter.position + (this.paneAfter.sizeActual - (this.sizerWidth + this.paneAfter.sizeMin))) {
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			a = this.paneAfter.position + (this.paneAfter.sizeActual - (this.sizerWidth + this.paneAfter.sizeMin));
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		}
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	}
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	a -= this.sizingSplitter.position;
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	this._checkSizes();
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	return a;
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}, _updateSize:function () {
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	var pos = this.lastPoint - this.dragOffset - this.originPos;
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	var start_region = this.paneBefore.position;
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	var end_region = this.paneAfter.position + this.paneAfter.sizeActual;
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	this.paneBefore.sizeActual = pos - start_region;
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	this.paneAfter.position = pos + this.sizerWidth;
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	this.paneAfter.sizeActual = end_region - this.paneAfter.position;
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	for (var i = 0; i < this.children.length; i++) {
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		this.children[i].sizeShare = this.children[i].sizeActual;
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	}
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	this._layoutPanels();
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}, _showSizingLine:function () {
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	this._moveSizingLine();
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	if (this.isHorizontal) {
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		dojo.html.setMarginBox(this.virtualSizer, {width:this.sizerWidth, height:this.paneHeight});
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	} else {
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		dojo.html.setMarginBox(this.virtualSizer, {width:this.paneWidth, height:this.sizerWidth});
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	}
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	this.virtualSizer.style.display = "block";
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}, _hideSizingLine:function () {
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	this.virtualSizer.style.display = "none";
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}, _moveSizingLine:function () {
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	var pos = this.lastPoint - this.startPoint + this.sizingSplitter.position;
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	if (this.isHorizontal) {
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		this.virtualSizer.style.left = pos + "px";
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	} else {
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		var pos = (this.lastPoint - this.startPoint) + this.sizingSplitter.position;
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		this.virtualSizer.style.top = pos + "px";
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	}
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}, _getCookieName:function (i) {
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	return this.widgetId + "_" + i;
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}, _restoreState:function () {
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	for (var i = 0; i < this.children.length; i++) {
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		var cookieName = this._getCookieName(i);
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		var cookieValue = dojo.io.cookie.getCookie(cookieName);
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		if (cookieValue != null) {
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			var pos = parseInt(cookieValue);
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			if (typeof pos == "number") {
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				this.children[i].sizeShare = pos;
314
			}
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		}
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	}
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}, _saveState:function () {
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	for (var i = 0; i < this.children.length; i++) {
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		var cookieName = this._getCookieName(i);
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		dojo.io.cookie.setCookie(cookieName, this.children[i].sizeShare, null, null, null, null);
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	}
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}});
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dojo.lang.extend(dojo.widget.Widget, {sizeMin:10, sizeShare:10});
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dojo.widget.defineWidget("dojo.widget.SplitContainerPanel", dojo.widget.ContentPane, {});
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