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374 lines
17 KiB
374 lines
17 KiB
/** |
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* @class BI.Combo |
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* @extends BI.Widget |
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*/ |
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import { shortcut, Widget, Controller, extend, createWidget, nextTick, bind, isNotNull, isNull, isFunction, each } from "../../core"; |
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import { Bubble } from "./bubble"; |
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import { Resizers } from "../0.base"; |
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let needHideWhenAnotherComboOpen = {}; |
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let currentOpenedCombos = {}; |
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@shortcut() |
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export class Combo extends Bubble { |
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static xtype = "bi.combo"; |
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static EVENT_TRIGGER_CHANGE = "EVENT_TRIGGER_CHANGE"; |
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static EVENT_CHANGE = "EVENT_CHANGE"; |
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static EVENT_EXPAND = "EVENT_EXPAND"; |
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static EVENT_COLLAPSE = "EVENT_COLLAPSE"; |
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static EVENT_AFTER_INIT = "EVENT_AFTER_INIT"; |
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static EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW"; |
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static EVENT_AFTER_POPUPVIEW = "EVENT_AFTER_POPUPVIEW"; |
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static EVENT_BEFORE_HIDEVIEW = "EVENT_BEFORE_HIDEVIEW"; |
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static EVENT_AFTER_HIDEVIEW = "EVENT_AFTER_HIDEVIEW"; |
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_defaultConfig() { |
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const conf = super._defaultConfig(arguments); |
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return extend(conf, { |
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baseCls: (conf.baseCls || "") + " bi-combo" + (BI.isIE() ? " hack" : ""), |
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attributes: { |
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tabIndex: -1, |
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}, |
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trigger: "click", // click || hover || click-hover || "" |
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toggle: true, |
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direction: "bottom", // top||bottom||left||right||top,left||top,right||bottom,left||bottom,right||right,innerRight||right,innerLeft||innerRight||innerLeft |
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logic: { |
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dynamic: true, |
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}, |
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container: null, // popupview放置的容器，默认为this.element |
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isDefaultInit: false, |
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destroyWhenHide: false, |
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hideWhenBlur: true, |
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hideWhenAnotherComboOpen: false, |
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hideWhenClickOutside: true, |
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showArrow: false, |
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isNeedAdjustHeight: true, // 是否需要高度调整 |
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isNeedAdjustWidth: true, |
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stopEvent: false, |
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stopPropagation: false, |
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adjustLength: 0, // 调整的距离 |
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adjustXOffset: 0, |
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adjustYOffset: 0, |
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supportCSSTransform: true, |
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hideChecker: BI.emptyFn, |
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offsetStyle: "", // "",center,middle |
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el: {}, |
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popup: {}, |
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comboClass: "bi-combo-popup", |
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hoverClass: "bi-combo-hover", |
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belowMouse: false, |
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}); |
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} |
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render() { |
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const { hoverClass, logic, isDefaultInit } = this.options; |
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this._initCombo(); |
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// 延迟绑定事件，这样可以将自己绑定的事情优先执行 |
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nextTick(() => { |
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!this.isDestroyed() && this._initPullDownAction(); |
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}); |
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this.combo.on(Controller.EVENT_CHANGE, (type, value, obj, ...args) => { |
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if (this.isEnabled() && this.isValid()) { |
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if (type === BI.Events.TOGGLE) { |
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this._toggle(); |
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} |
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if (type === BI.Events.EXPAND) { |
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this._popupView(); |
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} |
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if (type === BI.Events.COLLAPSE) { |
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this._hideView(); |
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} |
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if (type === BI.Events.EXPAND) { |
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this.fireEvent(Controller.EVENT_CHANGE, type, value, obj, ...args); |
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this.fireEvent(Combo.EVENT_EXPAND); |
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} |
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if (type === BI.Events.COLLAPSE) { |
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this.fireEvent(Controller.EVENT_CHANGE, type, value, obj, ...args); |
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this.isViewVisible() && this.fireEvent(Combo.EVENT_COLLAPSE); |
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} |
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if (type === BI.Events.CLICK) { |
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this.fireEvent(Combo.EVENT_TRIGGER_CHANGE, obj); |
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} |
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} |
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}); |
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this.element.on("mouseenter." + this.getName(), (e) => { |
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if (this.isEnabled() && this.isValid() && this.combo.isEnabled() && this.combo.isValid()) { |
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this.element.addClass(hoverClass); |
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} |
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}); |
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this.element.on("mouseleave." + this.getName(), (e) => { |
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if (this.isEnabled() && this.isValid() && this.combo.isEnabled() && this.combo.isValid()) { |
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this.element.removeClass(hoverClass); |
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} |
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}); |
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createWidget(extend({ |
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element: this, |
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scrolly: false, |
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}, BI.LogicFactory.createLogic("vertical", extend(logic, { |
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items: [ |
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{ el: this.combo } |
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], |
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})))); |
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isDefaultInit && (this._assertPopupView()); |
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Resizers.add(this.getName(), bind((e) => { |
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// 如果resize对象是combo的子元素，则不应该收起，或交由hideChecker去处理 |
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if (this.isViewVisible()) { |
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isNotNull(e) ? this._hideIf(e) : this._hideView(); |
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} |
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}, this)); |
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} |
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_assertPopupView() { |
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const { showArrow, value, hideWhenClickOutside, hideWhenBlur } = this.options; |
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if (isNull(this.popupView)) { |
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this.popupView = createWidget(isFunction(this.options.popup) ? this.options.popup() : this.options.popup, { |
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type: "bi.popup_view", |
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showArrow, |
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value, |
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}, this); |
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this.popupView.on(Controller.EVENT_CHANGE, (type, value, obj, ...args) => { |
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if (type === BI.Events.CLICK) { |
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this.combo.setValue(this.getValue()); |
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this.fireEvent(Bubble.EVENT_CHANGE, value, obj); |
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} |
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this.fireEvent(Controller.EVENT_CHANGE, type, value, obj, ...args); |
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}); |
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this.popupView.setVisible(false); |
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nextTick(() => { |
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this.fireEvent(Bubble.EVENT_AFTER_INIT); |
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}); |
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} |
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} |
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_hideView(e) { |
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const { hideWhenClickOutside, hideWhenBlur } = this.options; |
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this.fireEvent(Combo.EVENT_BEFORE_HIDEVIEW); |
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if (this.options.destroyWhenHide === true) { |
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this.popupView && this.popupView.destroy(); |
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this.popupView = null; |
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this._rendered = false; |
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} else { |
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this.popupView && this.popupView.invisible(); |
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} |
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if (!e || !this.combo.element.__isMouseInBounds__(e)) { |
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this.element.removeClass(this.options.hoverClass); |
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// 应对bi-focus-shadow在收起时不失焦 |
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this.element.blur(); |
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} |
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this.element.removeClass(this.options.comboClass); |
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delete needHideWhenAnotherComboOpen[this.getName()]; |
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delete currentOpenedCombos[this.getName()]; |
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hideWhenClickOutside && Widget._renderEngine.createElement(document).unbind("mousedown." + this.getName()).unbind("mousewheel." + this.getName()); |
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BI.EVENT_BLUR && hideWhenBlur && Widget._renderEngine.createElement(window).unbind("blur." + this.getName()); |
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this.fireEvent(Combo.EVENT_AFTER_HIDEVIEW, e); |
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} |
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_popupView(e) { |
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const { hideWhenClickOutside, hideWhenBlur } = this.options; |
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this._assertPopupViewRender(); |
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this.fireEvent(Combo.EVENT_BEFORE_POPUPVIEW); |
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// popupVisible是为了获取其宽高, 放到可视范围之外以防止在IE下闪一下 |
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this.popupView.css({ left: -99999, top: -99999 }); |
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this.popupView.visible(); |
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each(needHideWhenAnotherComboOpen, (i, combo) => { |
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if (i !== this.getName()) { |
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if (combo && combo._hideIf(e, true) === true) { |
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delete needHideWhenAnotherComboOpen[i]; |
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} |
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} |
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}); |
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currentOpenedCombos[this.getName()] = this; |
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this.options.hideWhenAnotherComboOpen && (needHideWhenAnotherComboOpen[this.getName()] = this); |
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this.adjustWidth(e); |
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this.adjustHeight(e); |
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this.element.addClass(this.options.comboClass); |
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hideWhenClickOutside && Widget._renderEngine.createElement(document).unbind("mousedown." + this.getName()).unbind("mousewheel." + this.getName()); |
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hideWhenClickOutside && Widget._renderEngine.createElement(document).unbind("mousewheel." + this.getName()); |
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BI.EVENT_BLUR && hideWhenBlur && Widget._renderEngine.createElement(window).unbind("blur." + this.getName()); |
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hideWhenClickOutside && Widget._renderEngine.createElement(document).bind("mousewheel." + this.getName(), bind(this._hideIf, this)); |
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hideWhenClickOutside && Widget._renderEngine.createElement(document).bind("mousedown." + this.getName(), bind(this._hideIf, this)).bind("mousewheel." + this.getName(), bind(this._hideIf, this)); |
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BI.EVENT_BLUR && hideWhenBlur && Widget._renderEngine.createElement(window).bind("blur." + this.getName(), bind(this._hideIf, this)); |
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this.fireEvent(Combo.EVENT_AFTER_POPUPVIEW); |
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} |
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adjustHeight(e) { |
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const { belowMouse, supportCSSTransform, container, direction, adjustXOffset, adjustYOffset, adjustLength, showArrow, isNeedAdjustHeight, offsetStyle } = this.options; |
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let p = {}; |
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if (!this.popupView) { |
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return; |
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} |
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const isVisible = this.popupView.isVisible(); |
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this.popupView.visible(); |
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const combo = (belowMouse && isNotNull(e)) ? { |
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element: { |
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0: e.target, |
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offset: () => { |
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return { |
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left: e.pageX, |
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top: e.pageY, |
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}; |
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}, |
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bounds: () => { |
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// offset为其相对于父定位元素的偏移 |
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return { |
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x: e.offsetX, |
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y: e.offsetY, |
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width: 0, |
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height: 24, |
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}; |
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}, |
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outerWidth: () => { |
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return 0; |
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}, |
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outerHeight: () => { |
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return 24; |
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}, |
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}, |
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} : this.combo; |
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const positionRelativeElement = supportCSSTransform ? BI.DOM.getPositionRelativeContainingBlock(isNull(container) ? this.element[0] : Widget._renderEngine.createElement(isFunction(container) ? container() : container)[0]) : null; |
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const TRIANGLE_LENGTH = 12; |
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switch (direction) { |
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case "bottom": |
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case "bottom,right": |
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p = BI.DOM.getComboPosition(combo, this.popupView, adjustXOffset, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight, ["bottom", "top", "right", "left"], offsetStyle, positionRelativeElement); |
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break; |
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case "top": |
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case "top,right": |
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p = BI.DOM.getComboPosition(combo, this.popupView, adjustXOffset, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight, ["top", "bottom", "right", "left"], offsetStyle, positionRelativeElement); |
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break; |
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case "left": |
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case "left,bottom": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["left", "right", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "right": |
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case "right,bottom": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["right", "left", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "top,left": |
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p = BI.DOM.getComboPosition(combo, this.popupView, adjustXOffset, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight, ["top", "bottom", "left", "right"], offsetStyle, positionRelativeElement); |
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break; |
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case "bottom,left": |
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p = BI.DOM.getComboPosition(combo, this.popupView, adjustXOffset, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight, ["bottom", "top", "left", "right"], offsetStyle, positionRelativeElement); |
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break; |
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case "left,top": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["left", "right", "top", "bottom"], offsetStyle, positionRelativeElement); |
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break; |
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case "right,top": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["right", "left", "top", "bottom"], offsetStyle, positionRelativeElement); |
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break; |
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case "right,innerRight": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["right", "left", "innerRight", "innerLeft", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "right,innerLeft": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["right", "left", "innerLeft", "innerRight", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "innerRight": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["innerRight", "innerLeft", "right", "left", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "innerLeft": |
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p = BI.DOM.getComboPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), adjustYOffset, isNeedAdjustHeight, ["innerLeft", "innerRight", "left", "right", "bottom", "top"], offsetStyle, positionRelativeElement); |
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break; |
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case "top,custom": |
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case "custom,top": |
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p = BI.DOM.getTopAdaptPosition(combo, this.popupView, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight); |
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p.dir = "top"; |
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break; |
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case "custom,bottom": |
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case "bottom,custom": |
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p = BI.DOM.getBottomAdaptPosition(combo, this.popupView, (adjustYOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0), isNeedAdjustHeight); |
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p.dir = "bottom"; |
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break; |
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case "left,custom": |
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case "custom,left": |
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p = BI.DOM.getLeftAdaptPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0)); |
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delete p.top; |
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delete p.adaptHeight; |
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p.dir = "left"; |
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break; |
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case "custom,right": |
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case "right,custom": |
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p = BI.DOM.getRightAdaptPosition(combo, this.popupView, (adjustXOffset + adjustLength) + (showArrow ? TRIANGLE_LENGTH : 0)); |
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delete p.top; |
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delete p.adaptHeight; |
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p.dir = "right"; |
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break; |
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default: |
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break; |
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} |
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if ("adaptHeight" in p) { |
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this.resetListHeight(p.adaptHeight); |
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} |
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const width = this.combo.element.outerWidth(); |
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const height = this.combo.element.outerHeight(); |
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this.popupView.setDirection && this.popupView.setDirection(p.dir, { |
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width, |
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height, |
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offsetStyle, |
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adjustXOffset, |
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adjustYOffset, |
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offset: this.combo.element.offset(), |
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}); |
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if (supportCSSTransform) { |
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const positonedRect = positionRelativeElement.getBoundingClientRect(); |
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const scaleX = positonedRect.width / positionRelativeElement.offsetWidth; |
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const scaleY = positonedRect.height / positionRelativeElement.offsetHeight; |
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p.top && (p.top = p.top / scaleY); |
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p.left && (p.left = p.left / scaleX); |
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} |
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if ("left" in p) { |
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this.popupView.element.css({ |
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left: p.left, |
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}); |
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} |
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if ("top" in p) { |
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this.popupView.element.css({ |
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top: p.top, |
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}); |
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} |
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this.position = p; |
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this.popupView.setVisible(isVisible); |
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} |
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destroyed() { |
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Widget._renderEngine.createElement(document) |
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.unbind("click." + this.getName()) |
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.unbind("mousedown." + this.getName()) |
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.unbind("mousewheel." + this.getName()) |
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.unbind("mouseenter." + this.getName()) |
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.unbind("mouseleave." + this.getName()); |
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Widget._renderEngine.createElement(window) |
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.unbind("blur." + this.getName()); |
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Resizers.remove(this.getName()); |
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this.popupView && this.popupView._destroy(); |
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delete needHideWhenAnotherComboOpen[this.getName()]; |
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delete currentOpenedCombos[this.getName()]; |
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} |
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} |
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Combo.closeAll = () => { |
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each(currentOpenedCombos, (i, combo) => { |
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if (combo) { |
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combo.hideView(); |
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} |
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}); |
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currentOpenedCombos = {}; |
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needHideWhenAnotherComboOpen = {}; |
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};
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