Added SDK
This commit is contained in:
Andrew Zambazos
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/*
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* Copyright (C) 2017 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.SettingEditor = class SettingEditor extends WI.Object
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{
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constructor(type, label, options)
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{
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super();
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this._type = type;
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this._value = null;
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this._editorElement = this._createEditorElement(options);
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console.assert(this._editorElement);
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this._element = document.createElement("div");
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this._element.classList.add("setting-editor");
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this._element.append(this._editorElement);
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this.label = label;
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}
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static createForSetting(setting, label, options)
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{
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let type;
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if (typeof setting.value === "boolean")
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type = WI.SettingEditor.Type.Checkbox;
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else if (typeof setting.value === "number")
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type = WI.SettingEditor.Type.Numeric;
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console.assert(type, "Cannot deduce editor type from setting value type.", setting);
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if (!type)
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return null;
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let editor = new WI.SettingEditor(type, label, options);
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editor.value = setting.value;
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editor.addEventListener(WI.SettingEditor.Event.ValueDidChange, function(event) {
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this.value = editor.value;
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}, setting);
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setting.addEventListener(WI.Setting.Event.Changed, function(event) {
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this.value = setting.value;
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}, editor);
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return editor;
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}
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// Public
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get element() { return this._element; }
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get type() { return this._type; }
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get label()
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{
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return this._label;
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}
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set label(label)
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{
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if (label === this._label)
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return;
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this._label = label;
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if (!this._label) {
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if (this._labelElement)
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this._labelElement.remove();
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this._editorElement.removeAttribute("id");
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this._labelElement = null;
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return;
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}
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if (!this._labelElement) {
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this._editorElement.id = "setting-editor-" + WI.SettingEditor._nextEditorIdentifier++;
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this._labelElement = this._element.appendChild(document.createElement("label"));
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this._labelElement.setAttribute("for", this._editorElement.id);
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}
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this._labelElement.textContent = this._label;
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}
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get value()
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{
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return this._value;
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}
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set value(value)
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{
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if (this._value === value)
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return;
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let oldValue = this._value;
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this._value = value;
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if (this._type === WI.SettingEditor.Type.Checkbox)
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this._editorElement.checked = !!this._value;
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else
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this._editorElement.value = this._value;
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this.dispatchEventToListeners(WI.SettingEditor.Event.ValueDidChange, {oldValue});
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}
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// Private
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_createEditorElement(options)
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{
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let editorElement;
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switch (this._type) {
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case WI.SettingEditor.Type.Checkbox:
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editorElement = document.createElement("input");
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editorElement.type = "checkbox";
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editorElement.addEventListener("change", (event) => { this.value = event.target.checked; });
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break;
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case WI.SettingEditor.Type.Numeric:
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editorElement = document.createElement("input");
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editorElement.type = "number";
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if (options.min !== undefined)
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editorElement.min = options.min;
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if (options.max !== undefined)
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editorElement.max = options.max;
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editorElement.addEventListener("change", (event) => {
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let currentValue = this._value;
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let newValue = parseInt(event.target.value);
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this.value = isNaN(newValue) ? currentValue : newValue;
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});
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break;
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case WI.SettingEditor.Type.Select:
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editorElement = document.createElement("select");
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var keyValuePairs = [];
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console.assert(Array.isArray(options.values), "Expected values array for select editor.", options);
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if (Array.isArray(options.values[0]))
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keyValuePairs = options.values;
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else
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keyValuePairs = options.values.map((value) => [value, value]);
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for (let [key, value] of keyValuePairs) {
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if (key === WI.SettingEditor.SelectSpacerKey) {
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editorElement.appendChild(document.createElement("hr"));
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continue;
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}
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let optionElement = editorElement.appendChild(document.createElement("option"));
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optionElement.value = key;
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optionElement.textContent = value;
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}
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editorElement.addEventListener("change", (event) => { this.value = event.target.value; });
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break;
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default:
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console.error("Unknown editor type: " + this._type);
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}
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return editorElement;
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}
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};
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WI.SettingEditor._nextEditorIdentifier = 1;
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WI.SettingEditor.Type = {
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Checkbox: "setting-editor-type-checkbox",
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Numeric: "setting-editor-type-numeric",
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Select: "setting-editor-type-select",
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};
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WI.SettingEditor.SelectSpacerKey = Symbol("setting-editor-select-spacer-key");
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WI.SettingEditor.Event = {
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ValueDidChange: "value-did-change",
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};
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