New file |
0,0 → 1,444 |
/* |
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) { |
}}); |
|