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805 lines
33 KiB
805 lines
33 KiB
/** |
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* 对DOM操作的通用函数 |
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* @type {{}} |
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*/ |
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!(function () { |
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BI.DOM = BI.DOM || {}; |
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|
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BI.extend(BI.DOM, { |
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ready: function (fn) { |
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BI.Widget._renderEngine.createElement(document).ready(fn); |
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} |
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}); |
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BI.extend(BI.DOM, { |
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patchProps: function (fromElement, toElement) { |
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var elemData = BI.jQuery._data(fromElement[0]); |
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var events = elemData.events; |
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BI.each(events, function (eventKey, event) { |
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BI.each(event, function (i, handler) { |
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toElement.on(eventKey + (handler.namespace ? ("." + handler.namespace) : ""), handler); |
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}); |
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}); |
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var fromChildren = fromElement.children(), toChildren = toElement.children(); |
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if (fromChildren.length !== toChildren.length) { |
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throw new Error("不匹配"); |
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} |
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BI.each(fromChildren, function (i, child) { |
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BI.DOM.patchProps(BI.jQuery(child), BI.jQuery(toChildren[i])); |
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}); |
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BI.each(fromElement.data("__widgets"), function (i, widget) { |
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widget.element = toElement; |
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}); |
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}, |
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/** |
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* 把dom数组或元素悬挂起来,使其不对html产生影响 |
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* @param dom |
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*/ |
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hang: function (doms) { |
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if (BI.isEmpty(doms)) { |
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return; |
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} |
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var frag = BI.Widget._renderEngine.createFragment(); |
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BI.each(doms, function (i, dom) { |
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dom instanceof BI.Widget && (dom = dom.element); |
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dom instanceof BI.$ && dom[0] && frag.appendChild(dom[0]); |
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}); |
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return frag; |
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}, |
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isExist: function (obj) { |
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return BI.Widget._renderEngine.createElement("body").find(obj.element).length > 0; |
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}, |
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|
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// 预加载图片 |
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preloadImages: function (srcArray, onload) { |
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var count = 0, images = []; |
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|
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function complete () { |
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count++; |
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if (count >= srcArray.length) { |
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onload(); |
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} |
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} |
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BI.each(srcArray, function (i, src) { |
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images[i] = new Image(); |
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images[i].src = src; |
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images[i].onload = function () { |
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complete(); |
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}; |
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images[i].onerror = function () { |
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complete(); |
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}; |
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}); |
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}, |
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getTextSizeWidth: function (text, fontSize) { |
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var span = BI.Widget._renderEngine.createElement("<span></span>").addClass("text-width-span").appendTo("body"); |
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if (fontSize == null) { |
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fontSize = 12; |
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} |
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fontSize = fontSize + "px"; |
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span.css("font-size", fontSize).text(text); |
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var width = span.width(); |
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span.remove(); |
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return width; |
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}, |
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getTextSizeHeight: function (text, fontSize) { |
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var span = BI.Widget._renderEngine.createElement("<span></span>").addClass("text-width-span").appendTo("body"); |
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if (fontSize == null) { |
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fontSize = 12; |
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} |
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fontSize = fontSize + "px"; |
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span.css("font-size", fontSize).text(text); |
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var height = span.height(); |
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span.remove(); |
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return height; |
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}, |
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// 获取滚动条的宽度，页面display: none时候获取到的为0 |
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getScrollWidth: function () { |
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if (BI.isNull(this._scrollWidth) || this._scrollWidth === 0) { |
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var ul = BI.Widget._renderEngine.createElement("<div>").width(50).height(50).css({ |
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position: "absolute", |
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top: "-9999px", |
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overflow: "scroll" |
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}).appendTo("body"); |
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this._scrollWidth = ul[0].offsetWidth - ul[0].clientWidth; |
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ul.destroy(); |
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} |
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return this._scrollWidth; |
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}, |
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getImage: function (param, fillStyle, backgroundColor) { |
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var canvas = document.createElement("canvas"); |
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var ratio = 2; |
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BI.Widget._renderEngine.createElement("body").append(canvas); |
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|
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var ctx = canvas.getContext("2d"); |
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ctx.font = "12px Georgia"; |
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var w = ctx.measureText(param).width + 4; |
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canvas.width = w * ratio; |
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canvas.height = 16 * ratio; |
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ctx.font = 12 * ratio + "px Georgia"; |
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ctx.fillStyle = fillStyle || "#3685f2"; |
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ctx.textBaseline = "middle"; |
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// ctx.fillStyle = "#EAF2FD"; |
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ctx.fillText(param, 2 * ratio, 9 * ratio); |
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BI.Widget._renderEngine.createElement(canvas).destroy(); |
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var backColor = backgroundColor || "rgba(54, 133, 242, 0.1)"; |
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// IE可以放大缩小所以要固定最大最小宽高 |
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return { |
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width: w, |
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height: 16, |
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src: canvas.toDataURL("image/png"), |
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style: "background-color: " + backColor + ";vertical-align: middle; margin: 0 1px; width:" + w + "px;height: 16px; max-width:" + w + "px;max-height: 16px; min-width:" + w + "px;min-height: 16px", |
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param: param |
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}; |
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} |
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}); |
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BI.extend(BI.DOM, { |
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isColor: function (color) { |
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return color && (this.isRGBColor(color) || this.isHexColor(color)); |
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}, |
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isRGBColor: function (color) { |
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if (!color) { |
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return false; |
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} |
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return color.substr(0, 3) === "rgb"; |
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}, |
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isHexColor: function (color) { |
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if (!color) { |
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return false; |
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} |
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return color[0] === "#" && color.length === 7; |
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}, |
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isDarkColor: function (hex) { |
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if (!hex || !this.isHexColor(hex)) { |
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return false; |
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} |
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var rgb = this.rgb2json(this.hex2rgb(hex)); |
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var grayLevel = Math.round(rgb.r * 0.299 + rgb.g * 0.587 + rgb.b * 0.114); |
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if (grayLevel < 192/** 网上给的是140**/) { |
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return true; |
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} |
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return false; |
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}, |
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// 获取对比颜色 |
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getContrastColor: function (color) { |
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if (!color || !this.isColor(color)) { |
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return ""; |
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} |
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if (this.isDarkColor(color)) { |
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return "#ffffff"; |
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} |
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return "#1a1a1a"; |
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}, |
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rgb2hex: function (rgbColour) { |
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if (!rgbColour || rgbColour.substr(0, 3) != "rgb") { |
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return ""; |
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} |
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var rgbValues = rgbColour.match(/\d+(\.\d+)?/g); |
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var red = BI.parseInt(rgbValues[0]); |
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var green = BI.parseInt(rgbValues[1]); |
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var blue = BI.parseInt(rgbValues[2]); |
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var hexColour = "#" + this.int2hex(red) + this.int2hex(green) + this.int2hex(blue); |
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return hexColour; |
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}, |
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rgb2json: function (rgbColour) { |
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if (!rgbColour) { |
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return {}; |
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} |
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if (!this.isRGBColor(rgbColour)) { |
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return {}; |
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} |
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var rgbValues = rgbColour.match(/\d+(\.\d+)?/g); |
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return { |
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r: BI.parseInt(rgbValues[0]), |
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g: BI.parseInt(rgbValues[1]), |
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b: BI.parseInt(rgbValues[2]) |
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}; |
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}, |
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rgba2json: function (rgbColour) { |
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if (!rgbColour) { |
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return {}; |
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} |
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var rgbValues = rgbColour.match(/\d+(\.\d+)?/g); |
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return { |
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r: BI.parseInt(rgbValues[0]), |
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g: BI.parseInt(rgbValues[1]), |
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b: BI.parseInt(rgbValues[2]), |
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a: BI.parseFloat(rgbValues[3]) |
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}; |
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}, |
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json2rgb: function (rgb) { |
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if (!BI.isKey(rgb.r) || !BI.isKey(rgb.g) || !BI.isKey(rgb.b)) { |
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return ""; |
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} |
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return "rgb(" + rgb.r + "," + rgb.g + "," + rgb.b + ")"; |
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}, |
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json2rgba: function (rgba) { |
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if (!BI.isKey(rgba.r) || !BI.isKey(rgba.g) || !BI.isKey(rgba.b)) { |
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return ""; |
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} |
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return "rgba(" + rgba.r + "," + rgba.g + "," + rgba.b + "," + rgba.a + ")"; |
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}, |
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int2hex: function (strNum) { |
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var hexdig = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"]; |
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return hexdig[strNum >>> 4] + "" + hexdig[strNum & 15]; |
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}, |
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hex2rgb: function (color) { |
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if (!color) { |
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return ""; |
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} |
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if (!this.isHexColor(color)) { |
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return color; |
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} |
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var tempValue = "rgb(", colorArray; |
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if (color.length === 7) { |
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colorArray = [BI.parseInt("0x" + color.substring(1, 3)), |
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BI.parseInt("0x" + color.substring(3, 5)), |
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BI.parseInt("0x" + color.substring(5, 7))]; |
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} else if (color.length === 4) { |
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colorArray = [BI.parseInt("0x" + color.substring(1, 2)), |
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BI.parseInt("0x" + color.substring(2, 3)), |
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BI.parseInt("0x" + color.substring(3, 4))]; |
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} |
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tempValue += colorArray[0] + ","; |
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tempValue += colorArray[1] + ","; |
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tempValue += colorArray[2] + ")"; |
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return tempValue; |
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}, |
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rgba2rgb: function (rgbColor, bgColor) { |
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if (BI.isNull(bgColor)) { |
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bgColor = 1; |
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} |
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if (rgbColor.substr(0, 4) != "rgba") { |
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return ""; |
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} |
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var rgbValues = rgbColor.match(/\d+(\.\d+)?/g); |
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if (rgbValues.length < 4) { |
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return ""; |
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} |
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var R = BI.parseFloat(rgbValues[0]); |
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var G = BI.parseFloat(rgbValues[1]); |
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var B = BI.parseFloat(rgbValues[2]); |
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var A = BI.parseFloat(rgbValues[3]); |
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return "rgb(" + Math.floor(255 * (bgColor * (1 - A)) + R * A) + "," + |
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Math.floor(255 * (bgColor * (1 - A)) + G * A) + "," + |
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Math.floor(255 * (bgColor * (1 - A)) + B * A) + ")"; |
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} |
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}); |
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BI.extend(BI.DOM, { |
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getLeftPosition: function (combo, popup, extraWidth) { |
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return { |
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left: combo.element.offset().left - popup.element.outerWidth() - (extraWidth || 0) |
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}; |
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}, |
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getInnerLeftPosition: function (combo, popup, extraWidth) { |
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return { |
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left: combo.element.offset().left + (extraWidth || 0) |
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}; |
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}, |
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getRightPosition: function (combo, popup, extraWidth) { |
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var el = combo.element; |
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return { |
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left: el.offset().left + el.outerWidth() + (extraWidth || 0) |
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}; |
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}, |
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getInnerRightPosition: function (combo, popup, extraWidth) { |
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var el = combo.element, viewBounds = popup.element.bounds(); |
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return { |
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left: el.offset().left + el.outerWidth() - viewBounds.width - (extraWidth || 0) |
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}; |
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}, |
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getTopPosition: function (combo, popup, extraHeight) { |
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return { |
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top: combo.element.offset().top - popup.element.outerHeight() - (extraHeight || 0) |
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}; |
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}, |
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getBottomPosition: function (combo, popup, extraHeight) { |
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var el = combo.element; |
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return { |
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top: el.offset().top + el.outerHeight() + (extraHeight || 0) |
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}; |
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}, |
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isLeftSpaceEnough: function (combo, popup, extraWidth) { |
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return BI.DOM.getLeftPosition(combo, popup, extraWidth).left >= 0; |
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}, |
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isInnerLeftSpaceEnough: function (combo, popup, extraWidth) { |
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var viewBounds = popup.element.bounds(),windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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return BI.DOM.getInnerLeftPosition(combo, popup, extraWidth).left + viewBounds.width <= windowBounds.width; |
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}, |
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isRightSpaceEnough: function (combo, popup, extraWidth) { |
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var viewBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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return BI.DOM.getRightPosition(combo, popup, extraWidth).left + viewBounds.width <= windowBounds.width; |
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}, |
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isInnerRightSpaceEnough: function (combo, popup, extraWidth) { |
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return BI.DOM.getInnerRightPosition(combo, popup, extraWidth).left >= 0; |
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}, |
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isTopSpaceEnough: function (combo, popup, extraHeight) { |
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return BI.DOM.getTopPosition(combo, popup, extraHeight).top >= 0; |
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}, |
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isBottomSpaceEnough: function (combo, popup, extraHeight) { |
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var viewBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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return BI.DOM.getBottomPosition(combo, popup, extraHeight).top + viewBounds.height <= windowBounds.height; |
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}, |
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isRightSpaceLarger: function (combo) { |
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var windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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return windowBounds.width - combo.element.offset().left - combo.element.bounds().width >= combo.element.offset().left; |
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}, |
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isBottomSpaceLarger: function (combo) { |
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var windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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return windowBounds.height - combo.element.offset().top - combo.element.bounds().height >= combo.element.offset().top; |
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}, |
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getLeftAlignPosition: function (combo, popup, extraWidth) { |
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var viewBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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var left = combo.element.offset().left + extraWidth; |
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if (left + viewBounds.width > windowBounds.width) { |
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left = windowBounds.width - viewBounds.width; |
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} |
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if (left < 0) { |
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left = 0; |
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} |
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return { |
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left: left |
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}; |
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}, |
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getLeftAdaptPosition: function (combo, popup, extraWidth) { |
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if (BI.DOM.isLeftSpaceEnough(combo, popup, extraWidth)) { |
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return BI.DOM.getLeftPosition(combo, popup, extraWidth); |
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} |
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return { |
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left: 0 |
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}; |
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}, |
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getRightAlignPosition: function (combo, popup, extraWidth) { |
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var comboBounds = combo.element.bounds(), viewBounds = popup.element.bounds(); |
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var left = combo.element.offset().left + comboBounds.width - viewBounds.width - extraWidth; |
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if (left < 0) { |
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left = 0; |
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} |
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return { |
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left: left |
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}; |
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}, |
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getRightAdaptPosition: function (combo, popup, extraWidth) { |
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if (BI.DOM.isRightSpaceEnough(combo, popup, extraWidth)) { |
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return BI.DOM.getRightPosition(combo, popup, extraWidth); |
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} |
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return { |
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left: BI.Widget._renderEngine.createElement("body").bounds().width - popup.element.bounds().width |
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}; |
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}, |
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getTopAlignPosition: function (combo, popup, extraHeight, needAdaptHeight) { |
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var comboOffset = combo.element.offset(); |
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var comboBounds = combo.element.bounds(), popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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var top, adaptHeight; |
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if (BI.DOM.isBottomSpaceEnough(combo, popup, -1 * comboBounds.height + extraHeight)) { |
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top = comboOffset.top + extraHeight; |
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} else if (needAdaptHeight) { |
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top = comboOffset.top + extraHeight; |
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adaptHeight = windowBounds.height - top; |
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} else { |
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top = windowBounds.height - popupBounds.height; |
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if (top < extraHeight) { |
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adaptHeight = windowBounds.height - extraHeight; |
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} |
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} |
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if (top < extraHeight) { |
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top = extraHeight; |
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} |
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return adaptHeight ? { |
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top: top, |
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adaptHeight: adaptHeight |
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} : { |
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top: top |
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}; |
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}, |
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|
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getTopAdaptPosition: function (combo, popup, extraHeight, needAdaptHeight) { |
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var popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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if (BI.DOM.isTopSpaceEnough(combo, popup, extraHeight)) { |
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return BI.DOM.getTopPosition(combo, popup, extraHeight); |
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} |
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if (needAdaptHeight) { |
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return { |
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top: 0, |
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adaptHeight: combo.element.offset().top - extraHeight |
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}; |
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} |
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if (popupBounds.height + extraHeight > windowBounds.height) { |
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return { |
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top: 0, |
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adaptHeight: windowBounds.height - extraHeight |
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}; |
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} |
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return { |
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top: 0 |
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}; |
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}, |
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|
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getBottomAlignPosition: function (combo, popup, extraHeight, needAdaptHeight) { |
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var comboOffset = combo.element.offset(); |
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var comboBounds = combo.element.bounds(), popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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var top, adaptHeight; |
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if (BI.DOM.isTopSpaceEnough(combo, popup, -1 * comboBounds.height + extraHeight)) { |
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top = comboOffset.top + comboBounds.height - popupBounds.height - extraHeight; |
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} else if (needAdaptHeight) { |
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top = 0; |
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adaptHeight = comboOffset.top + comboBounds.height - extraHeight; |
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} else { |
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top = 0; |
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if (popupBounds.height + extraHeight > windowBounds.height) { |
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adaptHeight = windowBounds.height - extraHeight; |
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} |
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} |
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if (top < 0) { |
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top = 0; |
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} |
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return adaptHeight ? { |
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top: top, |
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adaptHeight: adaptHeight |
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} : { |
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top: top |
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}; |
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}, |
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|
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getBottomAdaptPosition: function (combo, popup, extraHeight, needAdaptHeight) { |
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var comboOffset = combo.element.offset(); |
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var comboBounds = combo.element.bounds(), popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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if (BI.DOM.isBottomSpaceEnough(combo, popup, extraHeight)) { |
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return BI.DOM.getBottomPosition(combo, popup, extraHeight); |
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} |
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if (needAdaptHeight) { |
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return { |
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top: comboOffset.top + comboBounds.height + extraHeight, |
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adaptHeight: windowBounds.height - comboOffset.top - comboBounds.height - extraHeight |
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}; |
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} |
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if (popupBounds.height + extraHeight > windowBounds.height) { |
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return { |
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top: extraHeight, |
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adaptHeight: windowBounds.height - extraHeight |
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}; |
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} |
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return { |
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top: windowBounds.height - popupBounds.height - extraHeight |
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}; |
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}, |
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|
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getCenterAdaptPosition: function (combo, popup) { |
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var comboOffset = combo.element.offset(); |
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var comboBounds = combo.element.bounds(), popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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var left; |
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if (comboOffset.left + comboBounds.width / 2 + popupBounds.width / 2 > windowBounds.width) { |
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left = windowBounds.width - popupBounds.width; |
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} else { |
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left = comboOffset.left + comboBounds.width / 2 - popupBounds.width / 2; |
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} |
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if (left < 0) { |
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left = 0; |
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} |
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return { |
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left: left |
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}; |
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}, |
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|
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getMiddleAdaptPosition: function (combo, popup) { |
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var comboOffset = combo.element.offset(); |
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var comboBounds = combo.element.bounds(), popupBounds = popup.element.bounds(), |
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windowBounds = BI.Widget._renderEngine.createElement("body").bounds(); |
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var top; |
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if (comboOffset.top + comboBounds.height / 2 + popupBounds.height / 2 > windowBounds.height) { |
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top = windowBounds.height - popupBounds.height; |
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} else { |
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top = comboOffset.top + comboBounds.height / 2 - popupBounds.height / 2; |
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} |
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if (top < 0) { |
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top = 0; |
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} |
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return { |
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top: top |
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}; |
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}, |
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|
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getComboPositionByDirections: function (combo, popup, extraWidth, extraHeight, needAdaptHeight, directions) { |
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extraWidth || (extraWidth = 0); |
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extraHeight || (extraHeight = 0); |
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var i, direct; |
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var leftRight = [], topBottom = [], innerLeftRight = []; |
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var isNeedAdaptHeight = false, tbFirst = false, lrFirst = false; |
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var left, top, pos, firstDir = directions[0]; |
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for (i = 0; i < directions.length; i++) { |
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direct = directions[i]; |
|
switch (direct) { |
|
case "left": |
|
leftRight.push(direct); |
|
break; |
|
case "right": |
|
leftRight.push(direct); |
|
break; |
|
case "top": |
|
topBottom.push(direct); |
|
break; |
|
case "bottom": |
|
topBottom.push(direct); |
|
break; |
|
case "innerLeft": |
|
innerLeftRight.push(direct); |
|
break; |
|
case "innerRight": |
|
innerLeftRight.push(direct); |
|
break; |
|
} |
|
} |
|
for (i = 0; i < directions.length; i++) { |
|
direct = directions[i]; |
|
switch (direct) { |
|
case "left": |
|
if (!isNeedAdaptHeight) { |
|
var tW = tbFirst ? extraHeight : extraWidth, tH = tbFirst ? 0 : extraHeight; |
|
if (BI.DOM.isLeftSpaceEnough(combo, popup, tW)) { |
|
left = BI.DOM.getLeftPosition(combo, popup, tW).left; |
|
if (topBottom[0] === "bottom") { |
|
pos = BI.DOM.getTopAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "left,bottom"; |
|
} else { |
|
pos = BI.DOM.getBottomAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "left,top"; |
|
} |
|
if (tbFirst) { |
|
pos.change = "left"; |
|
} |
|
pos.left = left; |
|
return pos; |
|
} |
|
} |
|
lrFirst = true; |
|
break; |
|
case "right": |
|
if (!isNeedAdaptHeight) { |
|
var tW = tbFirst ? extraHeight : extraWidth, tH = tbFirst ? extraWidth : extraHeight; |
|
if (BI.DOM.isRightSpaceEnough(combo, popup, tW)) { |
|
left = BI.DOM.getRightPosition(combo, popup, tW).left; |
|
if (topBottom[0] === "bottom") { |
|
pos = BI.DOM.getTopAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "right,bottom"; |
|
} else { |
|
pos = BI.DOM.getBottomAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "right,top"; |
|
} |
|
if (tbFirst) { |
|
pos.change = "right"; |
|
} |
|
pos.left = left; |
|
return pos; |
|
} |
|
} |
|
lrFirst = true; |
|
break; |
|
case "top": |
|
var tW = lrFirst ? extraHeight : extraWidth, tH = lrFirst ? extraWidth : extraHeight; |
|
if (BI.DOM.isTopSpaceEnough(combo, popup, tH)) { |
|
top = BI.DOM.getTopPosition(combo, popup, tH).top; |
|
if (leftRight[0] === "right") { |
|
pos = BI.DOM.getLeftAlignPosition(combo, popup, tW, needAdaptHeight); |
|
pos.dir = "top,right"; |
|
} else { |
|
pos = BI.DOM.getRightAlignPosition(combo, popup, tW); |
|
pos.dir = "top,left"; |
|
} |
|
if (lrFirst) { |
|
pos.change = "top"; |
|
} |
|
pos.top = top; |
|
return pos; |
|
} |
|
if (needAdaptHeight) { |
|
isNeedAdaptHeight = true; |
|
} |
|
tbFirst = true; |
|
break; |
|
case "bottom": |
|
var tW = lrFirst ? extraHeight : extraWidth, tH = lrFirst ? extraWidth : extraHeight; |
|
if (BI.DOM.isBottomSpaceEnough(combo, popup, tH)) { |
|
top = BI.DOM.getBottomPosition(combo, popup, tH).top; |
|
if (leftRight[0] === "right") { |
|
pos = BI.DOM.getLeftAlignPosition(combo, popup, tW, needAdaptHeight); |
|
pos.dir = "bottom,right"; |
|
} else { |
|
pos = BI.DOM.getRightAlignPosition(combo, popup, tW); |
|
pos.dir = "bottom,left"; |
|
} |
|
if (lrFirst) { |
|
pos.change = "bottom"; |
|
} |
|
pos.top = top; |
|
return pos; |
|
} |
|
if (needAdaptHeight) { |
|
isNeedAdaptHeight = true; |
|
} |
|
tbFirst = true; |
|
break; |
|
case "innerLeft": |
|
if (!isNeedAdaptHeight) { |
|
var tW = tbFirst ? extraHeight : extraWidth, tH = tbFirst ? 0 : extraHeight; |
|
if (BI.DOM.isInnerLeftSpaceEnough(combo, popup, tW)) { |
|
left = BI.DOM.getInnerLeftPosition(combo, popup, tW).left; |
|
if (topBottom[0] === "bottom") { |
|
pos = BI.DOM.getTopAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "innerLeft,bottom"; |
|
} else { |
|
pos = BI.DOM.getBottomAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "innerLeft,top"; |
|
} |
|
if (tbFirst) { |
|
pos.change = "innerLeft"; |
|
} |
|
pos.left = left; |
|
return pos; |
|
} |
|
} |
|
lrFirst = true; |
|
break; |
|
case "innerRight": |
|
if (!isNeedAdaptHeight) { |
|
var tW = tbFirst ? extraHeight : extraWidth, tH = tbFirst ? extraWidth : extraHeight; |
|
if (BI.DOM.isInnerRightSpaceEnough(combo, popup, tW)) { |
|
left = BI.DOM.getInnerRightPosition(combo, popup, tW).left; |
|
if (topBottom[0] === "bottom") { |
|
pos = BI.DOM.getTopAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "innerRight,bottom"; |
|
} else { |
|
pos = BI.DOM.getBottomAlignPosition(combo, popup, tH, needAdaptHeight); |
|
pos.dir = "innerRight,top"; |
|
} |
|
if (tbFirst) { |
|
pos.change = "innerRight"; |
|
} |
|
pos.left = left; |
|
return pos; |
|
} |
|
} |
|
break; |
|
|
|
} |
|
} |
|
|
|
// 此处为四个方向放不下时挑空间最大的方向去放置, 也就是说我设置了弹出方向为"bottom,left", |
|
// 最后发现实际弹出方向可能是"top,left"，那么此时外界获取popup的方向应该是"top,left" |
|
switch (directions[0]) { |
|
case "left": |
|
case "right": |
|
if (BI.DOM.isRightSpaceLarger(combo)) { |
|
left = BI.DOM.getRightAdaptPosition(combo, popup, extraWidth).left; |
|
firstDir = "right"; |
|
} else { |
|
left = BI.DOM.getLeftAdaptPosition(combo, popup, extraWidth).left; |
|
firstDir = "left"; |
|
} |
|
if (topBottom[0] === "bottom") { |
|
pos = BI.DOM.getTopAlignPosition(combo, popup, extraHeight, needAdaptHeight); |
|
pos.left = left; |
|
pos.dir = firstDir + ",bottom"; |
|
return pos; |
|
} |
|
pos = BI.DOM.getBottomAlignPosition(combo, popup, extraHeight, needAdaptHeight); |
|
pos.left = left; |
|
pos.dir = firstDir + ",top"; |
|
return pos; |
|
default : |
|
if (BI.DOM.isBottomSpaceLarger(combo)) { |
|
pos = BI.DOM.getBottomAdaptPosition(combo, popup, extraHeight, needAdaptHeight); |
|
firstDir = "bottom"; |
|
} else { |
|
pos = BI.DOM.getTopAdaptPosition(combo, popup, extraHeight, needAdaptHeight); |
|
firstDir = "top"; |
|
} |
|
if (leftRight[0] === "right") { |
|
left = BI.DOM.getLeftAlignPosition(combo, popup, extraWidth, needAdaptHeight).left; |
|
pos.left = left; |
|
pos.dir = firstDir + ",right"; |
|
return pos; |
|
} |
|
left = BI.DOM.getRightAlignPosition(combo, popup, extraWidth).left; |
|
pos.left = left; |
|
pos.dir = firstDir + ",left"; |
|
return pos; |
|
} |
|
}, |
|
|
|
|
|
getComboPosition: function (combo, popup, extraWidth, extraHeight, needAdaptHeight, directions, offsetStyle) { |
|
extraWidth || (extraWidth = 0); |
|
extraHeight || (extraHeight = 0); |
|
var bodyHeight = BI.Widget._renderEngine.createElement("body").bounds().height - extraHeight; |
|
var maxHeight = Math.min(popup.attr("maxHeight") || bodyHeight, bodyHeight); |
|
popup.resetHeight && popup.resetHeight(maxHeight); |
|
var position = BI.DOM.getComboPositionByDirections(combo, popup, extraWidth, extraHeight, needAdaptHeight, directions || ["bottom", "top", "right", "left"]); |
|
switch (offsetStyle) { |
|
case "center": |
|
if (position.change) { |
|
var p = BI.DOM.getMiddleAdaptPosition(combo, popup); |
|
position.top = p.top; |
|
} else { |
|
var p = BI.DOM.getCenterAdaptPosition(combo, popup); |
|
position.left = p.left; |
|
} |
|
break; |
|
case "middle": |
|
if (position.change) { |
|
var p = BI.DOM.getCenterAdaptPosition(combo, popup); |
|
position.left = p.left; |
|
} else { |
|
var p = BI.DOM.getMiddleAdaptPosition(combo, popup); |
|
position.top = p.top; |
|
} |
|
break; |
|
} |
|
if (needAdaptHeight === true) { |
|
popup.resetHeight && popup.resetHeight(Math.min(bodyHeight - position.top, maxHeight)); |
|
} |
|
return position; |
|
} |
|
}); |
|
})();
|
|
|