Subversion Repositories Applications.papyrus

/*
        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{\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, {});