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344 lines
11 KiB
344 lines
11 KiB
/** |
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* |
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* @class BI.SingleSelectCombo |
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* @extends BI.Single |
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*/ |
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BI.SingleSelectCombo = BI.inherit(BI.Single, { |
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_defaultConfig: function () { |
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return BI.extend(BI.SingleSelectCombo.superclass._defaultConfig.apply(this, arguments), { |
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baseCls: "bi-single-select-combo", |
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itemsCreator: BI.emptyFn, |
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valueFormatter: BI.emptyFn, |
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height: 28 |
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}); |
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}, |
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_init: function () { |
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BI.SingleSelectCombo.superclass._init.apply(this, arguments); |
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var self = this, o = this.options; |
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var assertShowValue = function () { |
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BI.isKey(self._startValue) && (self.storeValue = self._startValue); |
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self.trigger.getSearcher().setState(self.storeValue); |
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}; |
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this.storeValue = o.value; |
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// 标记正在请求数据 |
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this.requesting = false; |
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this.trigger = BI.createWidget({ |
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type: "bi.single_select_trigger", |
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height: o.height, |
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// adapter: this.popup, |
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masker: { |
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offset: { |
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left: 1, |
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top: 1, |
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right: 2, |
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bottom: 33 |
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} |
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}, |
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valueFormatter: o.valueFormatter, |
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itemsCreator: function (op, callback) { |
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o.itemsCreator(op, function (res) { |
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if (op.times === 1 && BI.isNotNull(op.keywords)) { |
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// 预防trigger内部把当前的storeValue改掉 |
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self.trigger.setValue(self.getValue()); |
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} |
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callback.apply(self, arguments); |
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}); |
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}, |
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value: this.storeValue |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_START, function () { |
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self._setStartValue(""); |
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this.getSearcher().setValue(self.storeValue); |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_STOP, function () { |
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self._setStartValue(""); |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_PAUSE, function () { |
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if (this.getSearcher().hasMatched()) { |
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var keyword = this.getSearcher().getKeyword(); |
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self._join({ |
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type: BI.Selection.Multi, |
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value: [keyword] |
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}, function () { |
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self.combo.setValue(self.storeValue); |
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self._setStartValue(keyword); |
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assertShowValue(); |
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self.populate(); |
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self._setStartValue(""); |
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}); |
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} |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_SEARCHING, function (keywords) { |
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var last = BI.last(keywords); |
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keywords = BI.initial(keywords || []); |
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if (keywords.length > 0) { |
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self._joinKeywords(keywords, function () { |
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if (BI.isEndWithBlank(last)) { |
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self.combo.setValue(self.storeValue); |
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assertShowValue(); |
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self.combo.populate(); |
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self._setStartValue(""); |
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} else { |
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self.combo.setValue(self.storeValue); |
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assertShowValue(); |
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} |
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}); |
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} |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_CHANGE, function (value, obj) { |
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self.storeValue = this.getValue(); |
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assertShowValue(); |
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self._defaultState(); |
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}); |
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this.trigger.on(BI.SingleSelectTrigger.EVENT_COUNTER_CLICK, function () { |
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if (!self.combo.isViewVisible()) { |
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self.combo.showView(); |
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} |
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}); |
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this.combo = BI.createWidget({ |
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type: "bi.combo", |
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toggle: false, |
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el: this.trigger, |
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adjustLength: 1, |
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popup: { |
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type: "bi.single_select_popup_view", |
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ref: function () { |
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self.popup = this; |
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self.trigger.setAdapter(this); |
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}, |
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listeners: [{ |
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eventName: BI.SingleSelectPopupView.EVENT_CHANGE, |
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action: function () { |
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self.storeValue = this.getValue(); |
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self._adjust(function () { |
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assertShowValue(); |
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self._defaultState(); |
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}); |
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} |
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}], |
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itemsCreator: o.itemsCreator, |
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valueFormatter: o.valueFormatter, |
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onLoaded: function () { |
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BI.nextTick(function () { |
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self.combo.adjustWidth(); |
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self.combo.adjustHeight(); |
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self.trigger.getSearcher().adjustView(); |
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}); |
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} |
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}, |
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hideChecker: function (e) { |
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return triggerBtn.element.find(e.target).length === 0; |
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}, |
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value: o.value |
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}); |
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this.combo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () { |
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this.setValue(self.storeValue); |
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BI.nextTick(function () { |
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self.populate(); |
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}); |
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}); |
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// 当退出的时候如果还在处理请求，则等请求结束后再对外发确定事件 |
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this.wants2Quit = false; |
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this.combo.on(BI.Combo.EVENT_AFTER_HIDEVIEW, function () { |
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// important:关闭弹出时又可能没有退出编辑状态 |
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self.trigger.stopEditing(); |
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if (self.requesting === true) { |
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self.wants2Quit = true; |
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} else { |
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self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM); |
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} |
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}); |
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var triggerBtn = BI.createWidget({ |
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type: "bi.trigger_icon_button", |
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width: o.height, |
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height: o.height, |
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cls: "single-select-trigger-icon-button" |
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}); |
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triggerBtn.on(BI.TriggerIconButton.EVENT_CHANGE, function () { |
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if (self.combo.isViewVisible()) { |
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self.combo.hideView(); |
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} else { |
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self.combo.showView(); |
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} |
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}); |
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BI.createWidget({ |
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type: "bi.absolute", |
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element: this, |
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items: [{ |
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el: this.combo, |
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left: 0, |
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right: 0, |
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top: 0, |
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bottom: 0 |
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}, { |
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el: triggerBtn, |
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right: 0, |
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top: 0, |
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bottom: 0 |
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}] |
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}); |
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}, |
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_defaultState: function () { |
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this.trigger.stopEditing(); |
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this.combo.hideView(); |
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}, |
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_assertValue: function (val) { |
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val || (val = ""); |
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}, |
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_makeMap: function (values) { |
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return BI.makeObject(values || []); |
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}, |
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_joinKeywords: function (keywords, callback) { |
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var self = this, o = this.options; |
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this._assertValue(this.storeValue); |
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this.requesting = true; |
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o.itemsCreator({ |
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type: BI.SingleSelectCombo.REQ_GET_ALL_DATA, |
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keywords: keywords |
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}, function (ob) { |
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var values = BI.map(ob.items, "value"); |
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digest(values); |
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}); |
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function digest (items) { |
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var selectedMap = self._makeMap(items); |
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BI.each(keywords, function (i, val) { |
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if (BI.isNotNull(selectedMap[val])) { |
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self.storeValue.value["remove"](val); |
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} |
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}); |
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self._adjust(callback); |
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} |
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}, |
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_joinAll: function (res, callback) { |
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var self = this, o = this.options; |
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this._assertValue(res); |
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this.requesting = true; |
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o.itemsCreator({ |
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type: BI.SingleSelectCombo.REQ_GET_ALL_DATA, |
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keywords: [this.trigger.getKey()] |
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}, function (ob) { |
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var items = BI.map(ob.items, "value"); |
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if (self.storeValue.type === res.type) { |
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var change = false; |
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var map = self._makeMap(self.storeValue.value); |
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BI.each(items, function (i, v) { |
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if (BI.isNotNull(map[v])) { |
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change = true; |
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delete map[v]; |
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} |
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}); |
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change && (self.storeValue.value = BI.values(map)); |
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self._adjust(callback); |
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return; |
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} |
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var selectedMap = self._makeMap(self.storeValue.value); |
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var notSelectedMap = self._makeMap(res.value); |
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var newItems = []; |
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BI.each(items, function (i, item) { |
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if (BI.isNotNull(selectedMap[items[i]])) { |
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delete selectedMap[items[i]]; |
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} |
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if (BI.isNull(notSelectedMap[items[i]])) { |
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newItems.push(item); |
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} |
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}); |
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self.storeValue.value = newItems.concat(BI.values(selectedMap)); |
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self._adjust(callback); |
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}); |
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}, |
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_adjust: function (callback) { |
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var self = this, o = this.options; |
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if (!this._count) { |
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o.itemsCreator({ |
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type: BI.SingleSelectCombo.REQ_GET_DATA_LENGTH |
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}, function (res) { |
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self._count = res.count; |
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adjust(); |
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callback(); |
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}); |
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} else { |
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adjust(); |
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callback(); |
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} |
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function adjust () { |
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if (self.wants2Quit === true) { |
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self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM); |
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self.wants2Quit = false; |
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} |
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self.requesting = false; |
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} |
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}, |
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_join: function (res, callback) { |
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var self = this, o = this.options; |
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this._assertValue(res); |
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this._assertValue(this.storeValue); |
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if (this.storeValue.type === res.type) { |
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var map = this._makeMap(this.storeValue.value); |
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BI.each(res.value, function (i, v) { |
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if (!map[v]) { |
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self.storeValue.value.push(v); |
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map[v] = v; |
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} |
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}); |
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var change = false; |
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BI.each(res.assist, function (i, v) { |
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if (BI.isNotNull(map[v])) { |
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change = true; |
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delete map[v]; |
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} |
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}); |
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change && (this.storeValue.value = BI.values(map)); |
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self._adjust(callback); |
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return; |
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} |
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this._joinAll(res, callback); |
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}, |
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_setStartValue: function (value) { |
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this._startValue = value; |
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this.popup.setStartValue(value); |
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}, |
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setValue: function (v) { |
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this.storeValue = v; |
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this._assertValue(this.storeValue); |
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this.combo.setValue(this.storeValue); |
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}, |
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getValue: function () { |
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return this.storeValue; |
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}, |
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populate: function () { |
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this._count = null; |
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this.combo.populate.apply(this.combo, arguments); |
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} |
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}); |
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BI.extend(BI.SingleSelectCombo, { |
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REQ_GET_DATA_LENGTH: 0, |
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REQ_GET_ALL_DATA: -1 |
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}); |
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BI.SingleSelectCombo.EVENT_CONFIRM = "EVENT_CONFIRM"; |
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BI.shortcut("bi.single_select_combo", BI.SingleSelectCombo);
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