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alexandre_ |
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/*
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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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dojo.provide("dojo.widget.ResizeHandle");
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dojo.require("dojo.widget.*");
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dojo.require("dojo.html.layout");
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dojo.require("dojo.event.*");
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dojo.widget.defineWidget("dojo.widget.ResizeHandle", dojo.widget.HtmlWidget, {targetElmId:"", templateCssString:".dojoHtmlResizeHandle {\n\tfloat: right;\n\tposition: absolute;\n\tright: 2px;\n\tbottom: 2px;\n\twidth: 13px;\n\theight: 13px;\n\tz-index: 20;\n\tcursor: nw-resize;\n\tbackground-image: url(grabCorner.gif);\n\tline-height: 0px;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/ResizeHandle.css"), templateString:"<div class=\"dojoHtmlResizeHandle\"><div></div></div>", postCreate:function () {
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dojo.event.connect(this.domNode, "onmousedown", this, "_beginSizing");
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}, _beginSizing:function (e) {
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if (this._isSizing) {
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return false;
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}
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this.targetWidget = dojo.widget.byId(this.targetElmId);
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this.targetDomNode = this.targetWidget ? this.targetWidget.domNode : dojo.byId(this.targetElmId);
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if (!this.targetDomNode) {
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return;
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}
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this._isSizing = true;
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this.startPoint = {"x":e.clientX, "y":e.clientY};
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var mb = dojo.html.getMarginBox(this.targetDomNode);
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this.startSize = {"w":mb.width, "h":mb.height};
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dojo.event.kwConnect({srcObj:dojo.body(), srcFunc:"onmousemove", targetObj:this, targetFunc:"_changeSizing", rate:25});
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dojo.event.connect(dojo.body(), "onmouseup", this, "_endSizing");
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e.preventDefault();
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}, _changeSizing:function (e) {
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try {
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if (!e.clientX || !e.clientY) {
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return;
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}
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}
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catch (e) {
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return;
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}
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var dx = this.startPoint.x - e.clientX;
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var dy = this.startPoint.y - e.clientY;
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var newW = this.startSize.w - dx;
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var newH = this.startSize.h - dy;
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if (this.minSize) {
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var mb = dojo.html.getMarginBox(this.targetDomNode);
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if (newW < this.minSize.w) {
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newW = mb.width;
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}
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if (newH < this.minSize.h) {
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newH = mb.height;
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}
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}
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if (this.targetWidget) {
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this.targetWidget.resizeTo(newW, newH);
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} else {
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dojo.html.setMarginBox(this.targetDomNode, {width:newW, height:newH});
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}
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e.preventDefault();
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}, _endSizing:function (e) {
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dojo.event.disconnect(dojo.body(), "onmousemove", this, "_changeSizing");
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dojo.event.disconnect(dojo.body(), "onmouseup", this, "_endSizing");
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this._isSizing = false;
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}});
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