195 lines
6.4 KiB
JavaScript
195 lines
6.4 KiB
JavaScript
/*
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* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.DetailsSection = class DetailsSection extends WI.Object
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{
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constructor(identifier, title, groups, optionsElement, defaultCollapsedSettingValue)
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{
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super();
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console.assert(identifier);
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this._element = document.createElement("div");
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this._element.classList.add(identifier, "details-section");
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this._headerElement = document.createElement("div");
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this._headerElement.addEventListener("mousedown", this._headerElementMouseDown.bind(this));
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this._headerElement.addEventListener("click", this._headerElementClicked.bind(this));
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this._headerElement.addEventListener("keydown", this._handleHeaderElementKeyDown.bind(this));
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this._headerElement.className = "header";
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this._headerElement.tabIndex = 0;
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this._element.appendChild(this._headerElement);
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if (optionsElement instanceof HTMLElement) {
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this._optionsElement = optionsElement;
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this._optionsElement.classList.add("options");
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this._optionsElement.addEventListener("mousedown", this._optionsElementMouseDown.bind(this));
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this._optionsElement.addEventListener("mouseup", this._optionsElementMouseUp.bind(this));
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this._headerElement.appendChild(this._optionsElement);
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}
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this._titleElement = document.createElement("span");
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this._headerElement.appendChild(this._titleElement);
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this._contentElement = document.createElement("div");
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this._contentElement.className = "content";
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this._element.appendChild(this._contentElement);
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this._identifier = identifier;
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this.title = title;
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this.groups = groups || [new WI.DetailsSectionGroup];
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this._collapsedSetting = new WI.Setting(identifier + "-details-section-collapsed", !!defaultCollapsedSettingValue);
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this.collapsed = this._collapsedSetting.value;
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}
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// Public
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get element() { return this._element; }
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get headerElement() { return this._headerElement; }
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get identifier() { return this._identifier; }
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get title()
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{
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return this._titleElement.textContent;
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}
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set title(title)
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{
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this._titleElement.textContent = title;
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}
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get titleElement()
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{
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return this._titleElement;
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}
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set titleElement(element)
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{
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console.assert(element instanceof HTMLElement, "Expected titleElement to be an HTMLElement.", element);
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this._headerElement.replaceChild(element, this._titleElement);
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this._titleElement = element;
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}
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get collapsed()
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{
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return this._element.classList.contains(WI.DetailsSection.CollapsedStyleClassName);
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}
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set collapsed(flag)
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{
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if (flag)
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this._element.classList.add(WI.DetailsSection.CollapsedStyleClassName);
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else
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this._element.classList.remove(WI.DetailsSection.CollapsedStyleClassName);
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this._collapsedSetting.value = flag || false;
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this.dispatchEventToListeners(WI.DetailsSection.Event.CollapsedStateChanged, {collapsed: this._collapsedSetting.value});
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}
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get groups()
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{
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return this._groups;
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}
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set groups(groups)
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{
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this._contentElement.removeChildren();
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this._groups = groups || [];
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for (var i = 0; i < this._groups.length; ++i)
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this._contentElement.appendChild(this._groups[i].element);
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}
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// Private
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_headerElementMouseDown(event)
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{
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if (this._optionsElement?.contains(event.target))
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return;
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// Don't lose focus if already focused.
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if (document.activeElement === this._headerElement)
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return;
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event.preventDefault();
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}
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_headerElementClicked(event)
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{
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if (this._optionsElement?.contains(event.target))
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return;
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let collapsed = this.collapsed;
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this.collapsed = !collapsed;
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this._element.scrollIntoViewIfNeeded(false);
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}
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_handleHeaderElementKeyDown(event)
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{
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let isSpaceOrEnterKey = event.code === "Space" || event.code === "Enter";
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if (!isSpaceOrEnterKey && event.code !== "ArrowLeft" && event.code !== "ArrowRight")
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return;
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if (this._optionsElement?.contains(event.target))
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return;
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event.preventDefault();
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if (isSpaceOrEnterKey) {
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this.collapsed = !this.collapsed;
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return;
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}
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let collapsed = event.code === "ArrowLeft";
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if (WI.resolveLayoutDirectionForElement(this._headerElement) === WI.LayoutDirection.RTL)
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collapsed = !collapsed;
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this.collapsed = collapsed;
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}
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_optionsElementMouseDown(event)
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{
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this._headerElement.classList.add(WI.DetailsSection.MouseOverOptionsElementStyleClassName);
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}
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_optionsElementMouseUp(event)
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{
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this._headerElement.classList.remove(WI.DetailsSection.MouseOverOptionsElementStyleClassName);
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}
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};
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WI.DetailsSection.CollapsedStyleClassName = "collapsed";
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WI.DetailsSection.MouseOverOptionsElementStyleClassName = "mouse-over-options-element";
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WI.DetailsSection.Event = {
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CollapsedStateChanged: "details-section-collapsed-state-changed"
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};
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