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271 lines
9.5 KiB
271 lines
9.5 KiB
(function () { |
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function isVertical(position) { |
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return position === "top" || position === "bottom"; |
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} |
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var loadingCls = "button-loading-font anim-rotate"; |
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/** |
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* 文字类型的按钮 |
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* @class BI.Button |
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* @extends BI.BasicButton |
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* |
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* @cfg {JSON} options 配置属性 |
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* @cfg {'common'/'success'/'warning'/'ignore'} [options.level='common'] 按钮类型，用不同颜色强调不同的场景 |
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*/ |
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BI.Button = BI.inherit(BI.BasicButton, { |
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_const: { |
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iconWidth: 18, |
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}, |
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_defaultConfig: function (props) { |
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var conf = BI.Button.superclass._defaultConfig.apply(this, arguments); |
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var adaptiveHeight = 0; |
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if (isVertical(props.iconPosition)) { |
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// 图标高度和文字高度默认相等 |
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adaptiveHeight += (props.textHeight || 16) * 2; |
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adaptiveHeight += props.iconGap || 0; |
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var tGap = props.tgap || props.vgap || 2; |
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var bGap = props.bgap || props.vgap || 2; |
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adaptiveHeight += (tGap + bGap); |
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} |
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var clearMinWidth = props.block === true || props.clear === true || props.plain; |
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return BI.extend(conf, { |
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baseCls: (conf.baseCls || "") + " bi-button" + ((BI.isIE() && BI.isIE9Below()) ? " hack" : ""), |
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attributes: { |
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tabIndex: 1, |
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}, |
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minWidth: clearMinWidth ? 0 : 80, |
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height: isVertical(props.iconPosition) ? adaptiveHeight : 24, |
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shadow: props.clear !== true, |
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isShadowShowingOnSelected: true, |
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readonly: true, |
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iconCls: "", |
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level: "common", |
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block: false, // 是否块状显示，即不显示边框，没有最小宽度的限制 |
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clear: false, // 是否去掉边框和背景 |
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ghost: false, // 是否幽灵显示, 即正常状态无背景 |
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loading: false, // 是否处于加载中 |
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light: false, // 是否使用浅色 |
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plain: false, // 是否是朴素按钮，和 clear 的区别是 plain 有悬浮效果 |
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textAlign: "center", |
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whiteSpace: "nowrap", |
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textWidth: null, |
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textHeight: null, |
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hgap: props.clear ? 0 : (props.plain && !props.text ? 4 : 10), |
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vgap: 0, |
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tgap: 0, |
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bgap: 0, |
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lgap: 0, |
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rgap: 0, |
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icon: "", |
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iconGap: 0, |
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iconPosition: "left", |
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}); |
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}, |
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render: function () { |
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var o = this.options, self = this; |
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// bi.center_adapt 作用：让 hgap 不影响 iconGap。 |
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BI.createWidget({ |
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type: "bi.center_adapt", |
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horizontalAlign: o.textAlign, |
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element: this, |
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ref(ref) { |
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self.containerRef = ref; |
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}, |
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hgap: o.hgap, |
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vgap: o.vgap, |
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items: self.generateItems() |
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}); |
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// 如果 options 对应的属性为 true 则给元素添加 class |
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var classArr = ["block", "clear", "ghost", "plain", "loading", "light"]; |
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BI.each(classArr, function (_, clz) { |
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if (BI.get(o, clz) === true) { |
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self.element.addClass(clz); |
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} |
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}); |
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if (o.minWidth > 0) { |
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this.element.css({ "min-width": BI.pixFormat(o.minWidth) }); |
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} |
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}, |
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generateItems(defaultRenderIcon) { |
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var o = this.options; |
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// 由于button默认情况下有个边框，所以要主动算行高 |
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var lineHeight, textHeight = o.textHeight; |
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var hasBorder = false |
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if (BI.isNumber(o.height)) { |
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if (!isVertical(o.iconPosition)) { |
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if (!(o.clear && o.block && o.light)) { |
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hasBorder = true; |
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} |
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lineHeight = o.height; |
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} else { |
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lineHeight = textHeight; |
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} |
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} |
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if (!textHeight) { |
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if (o.whiteSpace === "nowrap") { |
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textHeight = lineHeight; |
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} |
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} |
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var iconInvisible = !(o.loading || o.iconCls || o.icon || defaultRenderIcon); |
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var textWidth = o.textWidth; |
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if (BI.isNull(o.textWidth)) { |
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textWidth = (o.minWidth > 0 && o.width < o.minWidth) ? o.minWidth : o.width; |
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textWidth -= (o.hgap * 2 + o.iconGap) |
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textWidth -= iconInvisible || isVertical(o.iconPosition) ? 0 : this._const.iconWidth |
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} |
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this.text = BI.createWidget({ |
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type: "bi.label", |
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text: o.text, |
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whiteSpace: o.whiteSpace, |
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textAlign: o.textAlign, |
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textWidth: textWidth, |
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textHeight: BI.toPix(textHeight, hasBorder ? 2 : 0), |
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height: BI.toPix(lineHeight, hasBorder ? 2 : 0), |
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value: o.value, |
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title: null, |
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}); |
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if (iconInvisible) { |
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return [this.text] |
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} |
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this._iconRendered = true; |
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if (BI.isPlainObject(o.icon) && !o.loading) { |
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this.icon = BI.createWidget(o.icon); |
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} else { |
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this.icon = BI.createWidget({ |
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type: "bi.icon_label", |
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cls: o.loading ? loadingCls : (o.iconCls || o.icon), |
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width: this._const.iconWidth, |
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height: BI.toPix(lineHeight, hasBorder ? 2 : 0), |
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lineHeight: BI.toPix(lineHeight, hasBorder ? 2 : 0), |
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// 不设置，自定义按钮无法居中 |
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iconWidth: o.iconWidth, |
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iconHeight: o.iconHeight, |
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invisible: iconInvisible, |
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}); |
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} |
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var gapContainer = { |
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lgap: o.iconPosition === "left" && o.text ? o.iconGap : 0, |
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rgap: o.iconPosition === "right" ? o.iconGap : 0, |
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tgap: o.iconPosition === "top" ? o.iconGap : 0, |
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bgap: o.iconPosition === "bottom" ? o.iconGap : 0, |
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}; |
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var items = [this.icon, BI.extend({ el: this.text }, gapContainer)]; |
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if (o.iconPosition === "right" || o.iconPosition === "bottom") { |
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items.reverse(); |
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} |
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return [{ |
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type: isVertical(o.iconPosition) ? "bi.vertical" : "bi.horizontal", |
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horizontalAlign: "center", |
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verticalAlign: "middle", |
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items, |
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}]; |
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}, |
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doClick: function () { |
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BI.Button.superclass.doClick.apply(this, arguments); |
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if (this.isValid()) { |
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this.fireEvent(BI.Button.EVENT_CHANGE, this); |
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} |
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}, |
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_setEnable: function (enable) { |
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BI.Button.superclass._setEnable.apply(this, arguments); |
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if (enable === true) { |
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this.element.attr("tabIndex", 1); |
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} else if (enable === false) { |
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this.element.removeAttr("tabIndex"); |
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} |
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}, |
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beforeClick: function () { |
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return this.isLoading(); |
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}, |
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isLoading: function () { |
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return this._loading === undefined ? this.options.loading : this._loading; |
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}, |
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loading: function () { |
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this._loading = true; |
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this.element.addClass("loading"); |
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!this._iconRendered && this.containerRef.populate(this.generateItems(true)); |
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if (this.icon.loading) { |
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this.icon.loading(); |
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} else { |
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// loadingCls 可以覆盖 iconCls 所以不需要移除 iconCls |
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this.icon.element.addClass(loadingCls); |
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this.icon.setVisible(true); |
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} |
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}, |
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loaded: function () { |
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this._loading = false; |
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this.element.removeClass("loading"); |
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if (this.icon.loaded) { |
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this.icon.loaded(); |
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} else { |
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this.icon.element.removeClass(loadingCls); |
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this.icon.setVisible(!!this.options.iconCls); |
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} |
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}, |
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setText: function (text) { |
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BI.Button.superclass.setText.apply(this, arguments); |
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this.text.setText(text); |
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}, |
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setValue: function (text) { |
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BI.Button.superclass.setValue.apply(this, arguments); |
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if (!this.isReadOnly()) { |
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this.text.setValue(text); |
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} |
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}, |
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setIcon: function (cls) { |
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var o = this.options; |
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!this._iconRendered && this.containerRef.populate(this.generateItems(true)); |
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if (this.icon && o.iconCls !== cls) { |
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this.icon.element.removeClass(o.iconCls).addClass(cls); |
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o.iconCls = cls; |
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} |
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}, |
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doRedMark: function () { |
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this.text.doRedMark.apply(this.text, arguments); |
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}, |
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unRedMark: function () { |
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this.text.unRedMark.apply(this.text, arguments); |
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}, |
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doHighLight: function () { |
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this.text.doHighLight.apply(this.text, arguments); |
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}, |
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unHighLight: function () { |
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this.text.unHighLight.apply(this.text, arguments); |
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}, |
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}); |
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BI.shortcut("bi.button", BI.Button); |
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BI.Button.EVENT_CHANGE = "EVENT_CHANGE"; |
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}());
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