SplitContainer.js
资源名称:oa.rar [点击查看]
上传用户:kimgenplus
上传日期:2016-06-05
资源大小:20877k
文件大小:12k
源码类别:
OA系统
开发平台:
Java
- /*
- 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.widget.SplitContainer");
- dojo.require("dojo.widget.*");
- dojo.require("dojo.widget.ContentPane");
- dojo.require("dojo.widget.HtmlWidget");
- dojo.require("dojo.html.style");
- dojo.require("dojo.html.layout");
- dojo.require("dojo.html.selection");
- dojo.require("dojo.io.cookie");
- dojo.widget.defineWidget("dojo.widget.SplitContainer", dojo.widget.HtmlWidget, function () {
- this.sizers = [];
- }, {isContainer:true, templateCssString:".dojoSplitContainer{ntposition: relative;ntoverflow: hidden;ntdisplay: block;n}nn.dojoSplitPane{ntposition: absolute;n}nn.dojoSplitContainerSizerH,n.dojoSplitContainerSizerV {ntfont-size: 1px;ntcursor: move;ntcursor: w-resize;ntbackground-color: ThreeDFace;ntborder: 1px solid;ntborder-color: ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight;ntmargin: 0;n}nn.dojoSplitContainerSizerV {ntcursor: n-resize;n}nn.dojoSplitContainerVirtualSizerH,n.dojoSplitContainerVirtualSizerV {ntfont-size: 1px;ntcursor: move;ntcursor: w-resize;ntbackground-color: ThreeDShadow;nt-moz-opacity: 0.5;ntopacity: 0.5;ntfilter: Alpha(Opacity=50);ntmargin: 0;n}nn.dojoSplitContainerVirtualSizerV {ntcursor: n-resize;n}n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/SplitContainer.css"), activeSizing:false, sizerWidth:15, orientation:"horizontal", persist:true, postMixInProperties:function () {
- dojo.widget.SplitContainer.superclass.postMixInProperties.apply(this, arguments);
- this.isHorizontal = (this.orientation == "horizontal");
- }, fillInTemplate:function () {
- dojo.widget.SplitContainer.superclass.fillInTemplate.apply(this, arguments);
- dojo.html.addClass(this.domNode, "dojoSplitContainer");
- if (dojo.render.html.moz) {
- this.domNode.style.overflow = "-moz-scrollbars-none";
- }
- var content = dojo.html.getContentBox(this.domNode);
- this.paneWidth = content.width;
- this.paneHeight = content.height;
- }, onResized:function (e) {
- var content = dojo.html.getContentBox(this.domNode);
- this.paneWidth = content.width;
- this.paneHeight = content.height;
- this._layoutPanels();
- }, postCreate:function (args, fragment, parentComp) {
- dojo.widget.SplitContainer.superclass.postCreate.apply(this, arguments);
- for (var i = 0; i < this.children.length; i++) {
- with (this.children[i].domNode.style) {
- position = "absolute";
- }
- dojo.html.addClass(this.children[i].domNode, "dojoSplitPane");
- if (i == this.children.length - 1) {
- break;
- }
- this._addSizer();
- }
- if (typeof this.sizerWidth == "object") {
- try {
- this.sizerWidth = parseInt(this.sizerWidth.toString());
- }
- catch (e) {
- this.sizerWidth = 15;
- }
- }
- this.virtualSizer = document.createElement("div");
- this.virtualSizer.style.position = "absolute";
- this.virtualSizer.style.display = "none";
- this.virtualSizer.style.zIndex = 10;
- this.virtualSizer.className = this.isHorizontal ? "dojoSplitContainerVirtualSizerH" : "dojoSplitContainerVirtualSizerV";
- this.domNode.appendChild(this.virtualSizer);
- dojo.html.disableSelection(this.virtualSizer);
- if (this.persist) {
- this._restoreState();
- }
- this.resizeSoon();
- }, _injectChild:function (child) {
- with (child.domNode.style) {
- position = "absolute";
- }
- dojo.html.addClass(child.domNode, "dojoSplitPane");
- }, _addSizer:function () {
- var i = this.sizers.length;
- this.sizers[i] = document.createElement("div");
- this.sizers[i].style.position = "absolute";
- this.sizers[i].className = this.isHorizontal ? "dojoSplitContainerSizerH" : "dojoSplitContainerSizerV";
- var self = this;
- var handler = (function () {
- var sizer_i = i;
- return function (e) {
- self.beginSizing(e, sizer_i);
- };
- })();
- dojo.event.connect(this.sizers[i], "onmousedown", handler);
- this.domNode.appendChild(this.sizers[i]);
- dojo.html.disableSelection(this.sizers[i]);
- }, removeChild:function (widget) {
- if (this.sizers.length > 0) {
- for (var x = 0; x < this.children.length; x++) {
- if (this.children[x] === widget) {
- var i = this.sizers.length - 1;
- this.domNode.removeChild(this.sizers[i]);
- this.sizers.length = i;
- break;
- }
- }
- }
- dojo.widget.SplitContainer.superclass.removeChild.call(this, widget, arguments);
- this.onResized();
- }, addChild:function (widget) {
- dojo.widget.SplitContainer.superclass.addChild.apply(this, arguments);
- this._injectChild(widget);
- if (this.children.length > 1) {
- this._addSizer();
- }
- this._layoutPanels();
- }, _layoutPanels:function () {
- if (this.children.length == 0) {
- return;
- }
- var space = this.isHorizontal ? this.paneWidth : this.paneHeight;
- if (this.children.length > 1) {
- space -= this.sizerWidth * (this.children.length - 1);
- }
- var out_of = 0;
- for (var i = 0; i < this.children.length; i++) {
- out_of += this.children[i].sizeShare;
- }
- var pix_per_unit = space / out_of;
- var total_size = 0;
- for (var i = 0; i < this.children.length - 1; i++) {
- var size = Math.round(pix_per_unit * this.children[i].sizeShare);
- this.children[i].sizeActual = size;
- total_size += size;
- }
- this.children[this.children.length - 1].sizeActual = space - total_size;
- this._checkSizes();
- var pos = 0;
- var size = this.children[0].sizeActual;
- this._movePanel(this.children[0], pos, size);
- this.children[0].position = pos;
- pos += size;
- for (var i = 1; i < this.children.length; i++) {
- this._moveSlider(this.sizers[i - 1], pos, this.sizerWidth);
- this.sizers[i - 1].position = pos;
- pos += this.sizerWidth;
- size = this.children[i].sizeActual;
- this._movePanel(this.children[i], pos, size);
- this.children[i].position = pos;
- pos += size;
- }
- }, _movePanel:function (panel, pos, size) {
- if (this.isHorizontal) {
- panel.domNode.style.left = pos + "px";
- panel.domNode.style.top = 0;
- panel.resizeTo(size, this.paneHeight);
- } else {
- panel.domNode.style.left = 0;
- panel.domNode.style.top = pos + "px";
- panel.resizeTo(this.paneWidth, size);
- }
- }, _moveSlider:function (slider, pos, size) {
- if (this.isHorizontal) {
- slider.style.left = pos + "px";
- slider.style.top = 0;
- dojo.html.setMarginBox(slider, {width:size, height:this.paneHeight});
- } else {
- slider.style.left = 0;
- slider.style.top = pos + "px";
- dojo.html.setMarginBox(slider, {width:this.paneWidth, height:size});
- }
- }, _growPane:function (growth, pane) {
- if (growth > 0) {
- if (pane.sizeActual > pane.sizeMin) {
- if ((pane.sizeActual - pane.sizeMin) > growth) {
- pane.sizeActual = pane.sizeActual - growth;
- growth = 0;
- } else {
- growth -= pane.sizeActual - pane.sizeMin;
- pane.sizeActual = pane.sizeMin;
- }
- }
- }
- return growth;
- }, _checkSizes:function () {
- var total_min_size = 0;
- var total_size = 0;
- for (var i = 0; i < this.children.length; i++) {
- total_size += this.children[i].sizeActual;
- total_min_size += this.children[i].sizeMin;
- }
- if (total_min_size <= total_size) {
- var growth = 0;
- for (var i = 0; i < this.children.length; i++) {
- if (this.children[i].sizeActual < this.children[i].sizeMin) {
- growth += this.children[i].sizeMin - this.children[i].sizeActual;
- this.children[i].sizeActual = this.children[i].sizeMin;
- }
- }
- if (growth > 0) {
- if (this.isDraggingLeft) {
- for (var i = this.children.length - 1; i >= 0; i--) {
- growth = this._growPane(growth, this.children[i]);
- }
- } else {
- for (var i = 0; i < this.children.length; i++) {
- growth = this._growPane(growth, this.children[i]);
- }
- }
- }
- } else {
- for (var i = 0; i < this.children.length; i++) {
- this.children[i].sizeActual = Math.round(total_size * (this.children[i].sizeMin / total_min_size));
- }
- }
- }, beginSizing:function (e, i) {
- this.paneBefore = this.children[i];
- this.paneAfter = this.children[i + 1];
- this.isSizing = true;
- this.sizingSplitter = this.sizers[i];
- this.originPos = dojo.html.getAbsolutePosition(this.children[0].domNode, true, dojo.html.boxSizing.MARGIN_BOX);
- if (this.isHorizontal) {
- var client = (e.layerX ? e.layerX : e.offsetX);
- var screen = e.pageX;
- this.originPos = this.originPos.x;
- } else {
- var client = (e.layerY ? e.layerY : e.offsetY);
- var screen = e.pageY;
- this.originPos = this.originPos.y;
- }
- this.startPoint = this.lastPoint = screen;
- this.screenToClientOffset = screen - client;
- this.dragOffset = this.lastPoint - this.paneBefore.sizeActual - this.originPos - this.paneBefore.position;
- if (!this.activeSizing) {
- this._showSizingLine();
- }
- dojo.event.connect(document.documentElement, "onmousemove", this, "changeSizing");
- dojo.event.connect(document.documentElement, "onmouseup", this, "endSizing");
- dojo.event.browser.stopEvent(e);
- }, changeSizing:function (e) {
- this.lastPoint = this.isHorizontal ? e.pageX : e.pageY;
- if (this.activeSizing) {
- this.movePoint();
- this._updateSize();
- } else {
- this.movePoint();
- this._moveSizingLine();
- }
- dojo.event.browser.stopEvent(e);
- }, endSizing:function (e) {
- if (!this.activeSizing) {
- this._hideSizingLine();
- }
- this._updateSize();
- this.isSizing = false;
- dojo.event.disconnect(document.documentElement, "onmousemove", this, "changeSizing");
- dojo.event.disconnect(document.documentElement, "onmouseup", this, "endSizing");
- if (this.persist) {
- this._saveState(this);
- }
- }, movePoint:function () {
- var p = this.lastPoint - this.screenToClientOffset;
- var a = p - this.dragOffset;
- a = this.legaliseSplitPoint(a);
- p = a + this.dragOffset;
- this.lastPoint = p + this.screenToClientOffset;
- }, legaliseSplitPoint:function (a) {
- a += this.sizingSplitter.position;
- this.isDraggingLeft = (a > 0) ? true : false;
- if (!this.activeSizing) {
- if (a < this.paneBefore.position + this.paneBefore.sizeMin) {
- a = this.paneBefore.position + this.paneBefore.sizeMin;
- }
- if (a > this.paneAfter.position + (this.paneAfter.sizeActual - (this.sizerWidth + this.paneAfter.sizeMin))) {
- a = this.paneAfter.position + (this.paneAfter.sizeActual - (this.sizerWidth + this.paneAfter.sizeMin));
- }
- }
- a -= this.sizingSplitter.position;
- this._checkSizes();
- return a;
- }, _updateSize:function () {
- var pos = this.lastPoint - this.dragOffset - this.originPos;
- var start_region = this.paneBefore.position;
- var end_region = this.paneAfter.position + this.paneAfter.sizeActual;
- this.paneBefore.sizeActual = pos - start_region;
- this.paneAfter.position = pos + this.sizerWidth;
- this.paneAfter.sizeActual = end_region - this.paneAfter.position;
- for (var i = 0; i < this.children.length; i++) {
- this.children[i].sizeShare = this.children[i].sizeActual;
- }
- this._layoutPanels();
- }, _showSizingLine:function () {
- this._moveSizingLine();
- if (this.isHorizontal) {
- dojo.html.setMarginBox(this.virtualSizer, {width:this.sizerWidth, height:this.paneHeight});
- } else {
- dojo.html.setMarginBox(this.virtualSizer, {width:this.paneWidth, height:this.sizerWidth});
- }
- this.virtualSizer.style.display = "block";
- }, _hideSizingLine:function () {
- this.virtualSizer.style.display = "none";
- }, _moveSizingLine:function () {
- var pos = this.lastPoint - this.startPoint + this.sizingSplitter.position;
- if (this.isHorizontal) {
- this.virtualSizer.style.left = pos + "px";
- } else {
- var pos = (this.lastPoint - this.startPoint) + this.sizingSplitter.position;
- this.virtualSizer.style.top = pos + "px";
- }
- }, _getCookieName:function (i) {
- return this.widgetId + "_" + i;
- }, _restoreState:function () {
- for (var i = 0; i < this.children.length; i++) {
- var cookieName = this._getCookieName(i);
- var cookieValue = dojo.io.cookie.getCookie(cookieName);
- if (cookieValue != null) {
- var pos = parseInt(cookieValue);
- if (typeof pos == "number") {
- this.children[i].sizeShare = pos;
- }
- }
- }
- }, _saveState:function () {
- for (var i = 0; i < this.children.length; i++) {
- var cookieName = this._getCookieName(i);
- dojo.io.cookie.setCookie(cookieName, this.children[i].sizeShare, null, null, null, null);
- }
- }});
- dojo.lang.extend(dojo.widget.Widget, {sizeMin:10, sizeShare:10});
- dojo.widget.defineWidget("dojo.widget.SplitContainerPanel", dojo.widget.ContentPane, {});