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/*Copyright (c) 2004-2006, The Dojo FoundationAll Rights Reserved.Licensed under the Academic Free License version 2.1 or above OR themodified BSD license. For more information on Dojo licensing, see:http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.widget.FisheyeList");dojo.require("dojo.widget.*");dojo.require("dojo.widget.HtmlWidget");dojo.require("dojo.html.style");dojo.require("dojo.html.selection");dojo.require("dojo.html.util");dojo.require("dojo.event.*");dojo.widget.defineWidget("dojo.widget.FisheyeList", dojo.widget.HtmlWidget, function () {this.pos = {x:-1, y:-1};this.EDGE = {CENTER:0, LEFT:1, RIGHT:2, TOP:3, BOTTOM:4};this.timerScale = 1;}, {templateString:"<div class=\"dojoHtmlFisheyeListBar\"></div>", templateCssString:".dojoHtmlFisheyeListItemLabel {\n\tfont-family: Arial, Helvetica, sans-serif;\n\tbackground-color: #eee;\n\tborder: 2px solid #666;\n\tpadding: 2px;\n\ttext-align: center;\n\tposition: absolute;\n\tdisplay: none;\n}\n\n.dojoHtmlFisheyeListItemLabel.selected {\n\tdisplay: block;\n}\n\n.dojoHtmlFisheyeListItemImage {\n\tborder: 0px;\n\tposition: absolute;\n}\n\n.dojoHtmlFisheyeListItem {\n\tposition: absolute;\n\tz-index: 2;\n}\n\n.dojoHtmlFisheyeListBar {\n\tposition: relative;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/FisheyeList.css"), isContainer:true, snarfChildDomOutput:true, itemWidth:40, itemHeight:40, itemMaxWidth:150, itemMaxHeight:150, orientation:"horizontal", conservativeTrigger:false, effectUnits:2, itemPadding:10, attachEdge:"center", labelEdge:"bottom", enableCrappySvgSupport:false, fillInTemplate:function () {dojo.html.disableSelection(this.domNode);this.isHorizontal = (this.orientation == "horizontal");this.selectedNode = -1;this.isOver = false;this.hitX1 = -1;this.hitY1 = -1;this.hitX2 = -1;this.hitY2 = -1;this.anchorEdge = this._toEdge(this.attachEdge, this.EDGE.CENTER);this.labelEdge = this._toEdge(this.labelEdge, this.EDGE.TOP);if (this.isHorizontal && (this.anchorEdge == this.EDGE.LEFT)) {this.anchorEdge = this.EDGE.CENTER;}if (this.isHorizontal && (this.anchorEdge == this.EDGE.RIGHT)) {this.anchorEdge = this.EDGE.CENTER;}if (!this.isHorizontal && (this.anchorEdge == this.EDGE.TOP)) {this.anchorEdge = this.EDGE.CENTER;}if (!this.isHorizontal && (this.anchorEdge == this.EDGE.BOTTOM)) {this.anchorEdge = this.EDGE.CENTER;}if (this.labelEdge == this.EDGE.CENTER) {this.labelEdge = this.EDGE.TOP;}if (this.isHorizontal && (this.labelEdge == this.EDGE.LEFT)) {this.labelEdge = this.EDGE.TOP;}if (this.isHorizontal && (this.labelEdge == this.EDGE.RIGHT)) {this.labelEdge = this.EDGE.TOP;}if (!this.isHorizontal && (this.labelEdge == this.EDGE.TOP)) {this.labelEdge = this.EDGE.LEFT;}if (!this.isHorizontal && (this.labelEdge == this.EDGE.BOTTOM)) {this.labelEdge = this.EDGE.LEFT;}this.proximityLeft = this.itemWidth * (this.effectUnits - 0.5);this.proximityRight = this.itemWidth * (this.effectUnits - 0.5);this.proximityTop = this.itemHeight * (this.effectUnits - 0.5);this.proximityBottom = this.itemHeight * (this.effectUnits - 0.5);if (this.anchorEdge == this.EDGE.LEFT) {this.proximityLeft = 0;}if (this.anchorEdge == this.EDGE.RIGHT) {this.proximityRight = 0;}if (this.anchorEdge == this.EDGE.TOP) {this.proximityTop = 0;}if (this.anchorEdge == this.EDGE.BOTTOM) {this.proximityBottom = 0;}if (this.anchorEdge == this.EDGE.CENTER) {this.proximityLeft /= 2;this.proximityRight /= 2;this.proximityTop /= 2;this.proximityBottom /= 2;}}, postCreate:function () {this._initializePositioning();if (!this.conservativeTrigger) {dojo.event.connect(document.documentElement, "onmousemove", this, "_onMouseMove");}dojo.event.connect(document.documentElement, "onmouseout", this, "_onBodyOut");dojo.event.connect(this, "addChild", this, "_initializePositioning");}, _initializePositioning:function () {this.itemCount = this.children.length;this.barWidth = (this.isHorizontal ? this.itemCount : 1) * this.itemWidth;this.barHeight = (this.isHorizontal ? 1 : this.itemCount) * this.itemHeight;this.totalWidth = this.proximityLeft + this.proximityRight + this.barWidth;this.totalHeight = this.proximityTop + this.proximityBottom + this.barHeight;for (var i = 0; i < this.children.length; i++) {this.children[i].posX = this.itemWidth * (this.isHorizontal ? i : 0);this.children[i].posY = this.itemHeight * (this.isHorizontal ? 0 : i);this.children[i].cenX = this.children[i].posX + (this.itemWidth / 2);this.children[i].cenY = this.children[i].posY + (this.itemHeight / 2);var isz = this.isHorizontal ? this.itemWidth : this.itemHeight;var r = this.effectUnits * isz;var c = this.isHorizontal ? this.children[i].cenX : this.children[i].cenY;var lhs = this.isHorizontal ? this.proximityLeft : this.proximityTop;var rhs = this.isHorizontal ? this.proximityRight : this.proximityBottom;var siz = this.isHorizontal ? this.barWidth : this.barHeight;var range_lhs = r;var range_rhs = r;if (range_lhs > c + lhs) {range_lhs = c + lhs;}if (range_rhs > (siz - c + rhs)) {range_rhs = siz - c + rhs;}this.children[i].effectRangeLeft = range_lhs / isz;this.children[i].effectRangeRght = range_rhs / isz;}this.domNode.style.width = this.barWidth + "px";this.domNode.style.height = this.barHeight + "px";for (var i = 0; i < this.children.length; i++) {var itm = this.children[i];var elm = itm.domNode;elm.style.left = itm.posX + "px";elm.style.top = itm.posY + "px";elm.style.width = this.itemWidth + "px";elm.style.height = this.itemHeight + "px";if (itm.svgNode) {itm.svgNode.style.position = "absolute";itm.svgNode.style.left = this.itemPadding + "%";itm.svgNode.style.top = this.itemPadding + "%";itm.svgNode.style.width = (100 - 2 * this.itemPadding) + "%";itm.svgNode.style.height = (100 - 2 * this.itemPadding) + "%";itm.svgNode.style.zIndex = 1;itm.svgNode.setSize(this.itemWidth, this.itemHeight);} else {itm.imgNode.style.left = this.itemPadding + "%";itm.imgNode.style.top = this.itemPadding + "%";itm.imgNode.style.width = (100 - 2 * this.itemPadding) + "%";itm.imgNode.style.height = (100 - 2 * this.itemPadding) + "%";}}this._calcHitGrid();}, _onBodyOut:function (e) {if (dojo.html.overElement(dojo.body(), e)) {return;}this._setDormant(e);}, _setDormant:function (e) {if (!this.isOver) {return;}this.isOver = false;if (this.conservativeTrigger) {dojo.event.disconnect(document.documentElement, "onmousemove", this, "_onMouseMove");}this._onGridMouseMove(-1, -1);}, _setActive:function (e) {if (this.isOver) {return;}this.isOver = true;if (this.conservativeTrigger) {dojo.event.connect(document.documentElement, "onmousemove", this, "_onMouseMove");this.timerScale = 0;this._onMouseMove(e);this._expandSlowly();}}, _onMouseMove:function (e) {if ((e.pageX >= this.hitX1) && (e.pageX <= this.hitX2) && (e.pageY >= this.hitY1) && (e.pageY <= this.hitY2)) {if (!this.isOver) {this._setActive(e);}this._onGridMouseMove(e.pageX - this.hitX1, e.pageY - this.hitY1);} else {if (this.isOver) {this._setDormant(e);}}}, onResized:function () {this._calcHitGrid();}, _onGridMouseMove:function (x, y) {this.pos = {x:x, y:y};this._paint();}, _paint:function () {var x = this.pos.x;var y = this.pos.y;if (this.itemCount <= 0) {return;}var pos = this.isHorizontal ? x : y;var prx = this.isHorizontal ? this.proximityLeft : this.proximityTop;var siz = this.isHorizontal ? this.itemWidth : this.itemHeight;var sim = this.isHorizontal ? (1 - this.timerScale) * this.itemWidth + this.timerScale * this.itemMaxWidth : (1 - this.timerScale) * this.itemHeight + this.timerScale * this.itemMaxHeight;var cen = ((pos - prx) / siz) - 0.5;var max_off_cen = (sim / siz) - 0.5;if (max_off_cen > this.effectUnits) {max_off_cen = this.effectUnits;}var off_weight = 0;if (this.anchorEdge == this.EDGE.BOTTOM) {var cen2 = (y - this.proximityTop) / this.itemHeight;off_weight = (cen2 > 0.5) ? 1 : y / (this.proximityTop + (this.itemHeight / 2));}if (this.anchorEdge == this.EDGE.TOP) {var cen2 = (y - this.proximityTop) / this.itemHeight;off_weight = (cen2 < 0.5) ? 1 : (this.totalHeight - y) / (this.proximityBottom + (this.itemHeight / 2));}if (this.anchorEdge == this.EDGE.RIGHT) {var cen2 = (x - this.proximityLeft) / this.itemWidth;off_weight = (cen2 > 0.5) ? 1 : x / (this.proximityLeft + (this.itemWidth / 2));}if (this.anchorEdge == this.EDGE.LEFT) {var cen2 = (x - this.proximityLeft) / this.itemWidth;off_weight = (cen2 < 0.5) ? 1 : (this.totalWidth - x) / (this.proximityRight + (this.itemWidth / 2));}if (this.anchorEdge == this.EDGE.CENTER) {if (this.isHorizontal) {off_weight = y / (this.totalHeight);} else {off_weight = x / (this.totalWidth);}if (off_weight > 0.5) {off_weight = 1 - off_weight;}off_weight *= 2;}for (var i = 0; i < this.itemCount; i++) {var weight = this._weighAt(cen, i);if (weight < 0) {weight = 0;}this._setItemSize(i, weight * off_weight);}var main_p = Math.round(cen);var offset = 0;if (cen < 0) {main_p = 0;} else {if (cen > this.itemCount - 1) {main_p = this.itemCount - 1;} else {offset = (cen - main_p) * ((this.isHorizontal ? this.itemWidth : this.itemHeight) - this.children[main_p].sizeMain);}}this._positionElementsFrom(main_p, offset);}, _weighAt:function (cen, i) {var dist = Math.abs(cen - i);var limit = ((cen - i) > 0) ? this.children[i].effectRangeRght : this.children[i].effectRangeLeft;return (dist > limit) ? 0 : (1 - dist / limit);}, _setItemSize:function (p, scale) {scale *= this.timerScale;var w = Math.round(this.itemWidth + ((this.itemMaxWidth - this.itemWidth) * scale));var h = Math.round(this.itemHeight + ((this.itemMaxHeight - this.itemHeight) * scale));if (this.isHorizontal) {this.children[p].sizeW = w;this.children[p].sizeH = h;this.children[p].sizeMain = w;this.children[p].sizeOff = h;var y = 0;if (this.anchorEdge == this.EDGE.TOP) {y = (this.children[p].cenY - (this.itemHeight / 2));} else {if (this.anchorEdge == this.EDGE.BOTTOM) {y = (this.children[p].cenY - (h - (this.itemHeight / 2)));} else {y = (this.children[p].cenY - (h / 2));}}this.children[p].usualX = Math.round(this.children[p].cenX - (w / 2));this.children[p].domNode.style.top = y + "px";this.children[p].domNode.style.left = this.children[p].usualX + "px";} else {this.children[p].sizeW = w;this.children[p].sizeH = h;this.children[p].sizeOff = w;this.children[p].sizeMain = h;var x = 0;if (this.anchorEdge == this.EDGE.LEFT) {x = this.children[p].cenX - (this.itemWidth / 2);} else {if (this.anchorEdge == this.EDGE.RIGHT) {x = this.children[p].cenX - (w - (this.itemWidth / 2));} else {x = this.children[p].cenX - (w / 2);}}this.children[p].domNode.style.left = x + "px";this.children[p].usualY = Math.round(this.children[p].cenY - (h / 2));this.children[p].domNode.style.top = this.children[p].usualY + "px";}this.children[p].domNode.style.width = w + "px";this.children[p].domNode.style.height = h + "px";if (this.children[p].svgNode) {this.children[p].svgNode.setSize(w, h);}}, _positionElementsFrom:function (p, offset) {var pos = 0;if (this.isHorizontal) {pos = Math.round(this.children[p].usualX + offset);this.children[p].domNode.style.left = pos + "px";} else {pos = Math.round(this.children[p].usualY + offset);this.children[p].domNode.style.top = pos + "px";}this._positionLabel(this.children[p]);var bpos = pos;for (var i = p - 1; i >= 0; i--) {bpos -= this.children[i].sizeMain;if (this.isHorizontal) {this.children[i].domNode.style.left = bpos + "px";} else {this.children[i].domNode.style.top = bpos + "px";}this._positionLabel(this.children[i]);}var apos = pos;for (var i = p + 1; i < this.itemCount; i++) {apos += this.children[i - 1].sizeMain;if (this.isHorizontal) {this.children[i].domNode.style.left = apos + "px";} else {this.children[i].domNode.style.top = apos + "px";}this._positionLabel(this.children[i]);}}, _positionLabel:function (itm) {var x = 0;var y = 0;var mb = dojo.html.getMarginBox(itm.lblNode);if (this.labelEdge == this.EDGE.TOP) {x = Math.round((itm.sizeW / 2) - (mb.width / 2));y = -mb.height;}if (this.labelEdge == this.EDGE.BOTTOM) {x = Math.round((itm.sizeW / 2) - (mb.width / 2));y = itm.sizeH;}if (this.labelEdge == this.EDGE.LEFT) {x = -mb.width;y = Math.round((itm.sizeH / 2) - (mb.height / 2));}if (this.labelEdge == this.EDGE.RIGHT) {x = itm.sizeW;y = Math.round((itm.sizeH / 2) - (mb.height / 2));}itm.lblNode.style.left = x + "px";itm.lblNode.style.top = y + "px";}, _calcHitGrid:function () {var pos = dojo.html.getAbsolutePosition(this.domNode, true);this.hitX1 = pos.x - this.proximityLeft;this.hitY1 = pos.y - this.proximityTop;this.hitX2 = this.hitX1 + this.totalWidth;this.hitY2 = this.hitY1 + this.totalHeight;}, _toEdge:function (inp, def) {return this.EDGE[inp.toUpperCase()] || def;}, _expandSlowly:function () {if (!this.isOver) {return;}this.timerScale += 0.2;this._paint();if (this.timerScale < 1) {dojo.lang.setTimeout(this, "_expandSlowly", 10);}}, destroy:function () {dojo.event.disconnect(document.documentElement, "onmouseout", this, "_onBodyOut");dojo.event.disconnect(document.documentElement, "onmousemove", this, "_onMouseMove");dojo.widget.FisheyeList.superclass.destroy.call(this);}});dojo.widget.defineWidget("dojo.widget.FisheyeListItem", dojo.widget.HtmlWidget, {iconSrc:"", svgSrc:"", caption:"", id:"", _blankImgPath:dojo.uri.moduleUri("dojo.widget", "templates/images/blank.gif"), templateString:"<div class=\"dojoHtmlFisheyeListItem\">" + " <img class=\"dojoHtmlFisheyeListItemImage\" dojoAttachPoint=\"imgNode\" dojoAttachEvent=\"onMouseOver;onMouseOut;onClick\">" + " <div class=\"dojoHtmlFisheyeListItemLabel\" dojoAttachPoint=\"lblNode\"></div>" + "</div>", fillInTemplate:function () {if (this.svgSrc != "") {this.svgNode = this._createSvgNode(this.svgSrc);this.domNode.appendChild(this.svgNode);this.imgNode.style.display = "none";} else {if ((this.iconSrc.toLowerCase().substring(this.iconSrc.length - 4) == ".png") && (dojo.render.html.ie) && (!dojo.render.html.ie70)) {if (dojo.dom.hasParent(this.imgNode) && this.id != "") {var parent = this.imgNode.parentNode;parent.setAttribute("id", this.id);}this.imgNode.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.iconSrc + "', sizingMethod='scale')";this.imgNode.src = this._blankImgPath.toString();} else {if (dojo.dom.hasParent(this.imgNode) && this.id != "") {var parent = this.imgNode.parentNode;parent.setAttribute("id", this.id);}this.imgNode.src = this.iconSrc;}}if (this.lblNode) {this.lblNode.appendChild(document.createTextNode(this.caption));}dojo.html.disableSelection(this.domNode);}, _createSvgNode:function (src) {var elm = document.createElement("embed");elm.src = src;elm.type = "image/svg+xml";elm.style.width = "1px";elm.style.height = "1px";elm.loaded = 0;elm.setSizeOnLoad = false;elm.onload = function () {this.svgRoot = this.getSVGDocument().rootElement;this.svgDoc = this.getSVGDocument().documentElement;this.zeroWidth = this.svgRoot.width.baseVal.value;this.zeroHeight = this.svgRoot.height.baseVal.value;this.loaded = true;if (this.setSizeOnLoad) {this.setSize(this.setWidth, this.setHeight);}};elm.setSize = function (w, h) {if (!this.loaded) {this.setWidth = w;this.setHeight = h;this.setSizeOnLoad = true;return;}this.style.width = w + "px";this.style.height = h + "px";this.svgRoot.width.baseVal.value = w;this.svgRoot.height.baseVal.value = h;var scale_x = w / this.zeroWidth;var scale_y = h / this.zeroHeight;for (var i = 0; i < this.svgDoc.childNodes.length; i++) {if (this.svgDoc.childNodes[i].setAttribute) {this.svgDoc.childNodes[i].setAttribute("transform", "scale(" + scale_x + "," + scale_y + ")");}}};return elm;}, onMouseOver:function (e) {if (!this.parent.isOver) {this.parent._setActive(e);}if (this.caption != "") {dojo.html.addClass(this.lblNode, "selected");this.parent._positionLabel(this);}}, onMouseOut:function (e) {dojo.html.removeClass(this.lblNode, "selected");}, onClick:function (e) {}});