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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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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{\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 () { |
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, {}); |
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