| /* |
| 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.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) { |
| }}); |
| |
