| /* |
| * Copyright (C) 2013, 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| WI.ButtonNavigationItem = class ButtonNavigationItem extends WI.NavigationItem |
| { |
| constructor(identifier, toolTipOrLabel, image, imageWidth, imageHeight, role, label) |
| { |
| super(identifier, role || "button"); |
| |
| console.assert(identifier); |
| console.assert(toolTipOrLabel); |
| |
| this._enabled = true; |
| |
| this.element.addEventListener("click", this._mouseClicked.bind(this)); |
| |
| if (label) |
| this.element.setAttribute("aria-label", label); |
| |
| this._buttonStyle = null; |
| this._disabled = false; |
| this._image = image || null; |
| this._imageWidth = imageWidth || 16; |
| this._imageHeight = imageHeight || 16; |
| this._label = toolTipOrLabel; |
| |
| this.buttonStyle = this._image ? WI.ButtonNavigationItem.Style.Image : WI.ButtonNavigationItem.Style.Text; |
| |
| if (this.buttonStyle === WI.ButtonNavigationItem.Style.Image) |
| this.tooltip = toolTipOrLabel; |
| } |
| |
| // Public |
| |
| get label() |
| { |
| return this._label; |
| } |
| |
| set label(newLabel) |
| { |
| newLabel = newLabel || ""; |
| if (this._label === newLabel) |
| return; |
| |
| this._label = newLabel; |
| this._update(); |
| |
| if (this.parentNavigationBar) |
| this.parentNavigationBar.needsLayout(); |
| } |
| |
| get image() |
| { |
| return this._image; |
| } |
| |
| set image(newImage) |
| { |
| newImage = newImage || null; |
| if (this._image === newImage) |
| return; |
| |
| this._image = newImage; |
| this._update(); |
| } |
| |
| get enabled() |
| { |
| return this._enabled; |
| } |
| |
| set enabled(flag) |
| { |
| flag = !!flag; |
| if (this._enabled === flag) |
| return; |
| |
| this._enabled = flag; |
| this.element.classList.toggle("disabled", !this._enabled); |
| } |
| |
| get buttonStyle() |
| { |
| return this._buttonStyle; |
| } |
| |
| set buttonStyle(newButtonStyle) |
| { |
| newButtonStyle = newButtonStyle || WI.ButtonNavigationItem.Style.Image; |
| if (this._buttonStyle === newButtonStyle) |
| return; |
| |
| this.element.classList.remove(...Object.values(WI.ButtonNavigationItem.Style)); |
| this.element.classList.add(newButtonStyle); |
| |
| this._buttonStyle = newButtonStyle; |
| this._update(); |
| |
| if (this.parentNavigationBar) |
| this.parentNavigationBar.needsLayout(); |
| } |
| |
| // Protected |
| |
| get additionalClassNames() |
| { |
| return ["button"]; |
| } |
| |
| // Private |
| |
| _mouseClicked(event) |
| { |
| if (!this.enabled) |
| return; |
| this.dispatchEventToListeners(WI.ButtonNavigationItem.Event.Clicked, {nativeEvent: event}); |
| } |
| |
| _update() |
| { |
| this.element.removeChildren(); |
| |
| if (this._buttonStyle === WI.ButtonNavigationItem.Style.Text) |
| this.element.textContent = this._label; |
| else { |
| let glyphElement = WI.ImageUtilities.useSVGSymbol(this._image, "glyph"); |
| glyphElement.style.width = this._imageWidth + "px"; |
| glyphElement.style.height = this._imageHeight + "px"; |
| this.element.appendChild(glyphElement); |
| |
| if (this._buttonStyle === WI.ButtonNavigationItem.Style.ImageAndText) { |
| let labelElement = this.element.appendChild(document.createElement("span")); |
| labelElement.textContent = this._label; |
| } |
| } |
| } |
| }; |
| |
| WI.ButtonNavigationItem.Event = { |
| Clicked: "button-navigation-item-clicked" |
| }; |
| |
| WI.ButtonNavigationItem.Style = { |
| Image: "image-only", |
| Text: "text-only", |
| ImageAndText: "image-and-text", |
| }; |