| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/base/base.html"> |
| |
| <polymer-element name="tr-b-ui-dropdown"> |
| <template> |
| <style> |
| :host { |
| position: relative; |
| display: flex; |
| } |
| #outer { |
| display: flex; |
| flex: 0 0 auto; |
| padding: 1px 4px 1px 4px; |
| border: 1px solid black; |
| -webkit-user-select: none; |
| cursor: default; |
| } |
| |
| #state { |
| display: flex; |
| flex: 0 0 auto; |
| margin-left: 2px; |
| margin-right: 0px; |
| flex: 0 0 auto; |
| } |
| |
| #icon { |
| display: flex; |
| flex: 0 0 auto; |
| flex: 0 0 auto; |
| } |
| dialog { |
| position: absolute; |
| padding: 0; |
| border: 0; |
| margin: 0; |
| } |
| dialog::backdrop { |
| background: rgba(0,0,0,.05); |
| } |
| |
| #dialog-frame { |
| background-color: #fff; |
| display: flex; |
| flex-direction: column; |
| flex: 1 1 auto; |
| padding: 6px; |
| border: 1px solid black; |
| -webkit-user-select: none; |
| cursor: default; |
| } |
| </style> |
| <div id="outer"> |
| <div id="icon">⚙</div> |
| <div id="state">▾</div> |
| </div> |
| <dialog id="dialog"> |
| <div id="dialog-frame"> |
| <content></content> |
| </div> |
| </dialog> |
| </template> |
| <script> |
| 'use strict'; |
| |
| Polymer({ |
| ready: function() { |
| |
| this.$.outer.addEventListener('click', this.onOuterClick_.bind(this)); |
| this.$.dialog.addEventListener('click', this.onDialogClick_.bind(this)); |
| |
| this.$.dialog.addEventListener('cancel', this.onDialogCancel_.bind(this)); |
| }, |
| |
| get iconElement() { |
| return this.$.icon; |
| }, |
| |
| onOuterClick_: function(e) { |
| var or = this.$.outer.getBoundingClientRect(); |
| var inside = true; |
| inside &= e.clientX >= or.left; |
| inside &= e.clientX < or.right; |
| inside &= e.clientY >= or.top; |
| inside &= e.clientY < or.bottom; |
| if (!inside) |
| return; |
| |
| e.preventDefault(); |
| if (!this.isOpen) |
| this.show(); |
| else |
| this.close(); |
| }, |
| |
| show: function() { |
| if (this.isOpen) |
| return; |
| |
| this.$.outer.classList.add('open'); |
| |
| var ddr = this.$.outer.getBoundingClientRect(); |
| var rW = Math.max(ddr.width, 150); |
| this.$.dialog.style.minWidth = rW + 'px'; |
| this.$.dialog.showModal(); |
| |
| var ddw = this.$.outer.getBoundingClientRect().width; |
| var w = this.$.dialog.getBoundingClientRect().width; |
| this.$.dialog.style.top = ddr.bottom - 1 + 'px'; |
| this.$.dialog.style.left = ddr.left + 'px'; |
| }, |
| |
| onDialogClick_: function(e) { |
| if (!this.isOpen) |
| return; |
| var dr = this.$.dialog.getBoundingClientRect(); |
| var inside = true; |
| inside &= e.clientX >= dr.left; |
| inside &= e.clientX < dr.right; |
| inside &= e.clientY >= dr.top; |
| inside &= e.clientY < dr.bottom; |
| if (!inside) { |
| e.preventDefault(); |
| this.close(); |
| } |
| }, |
| |
| onDialogCancel_: function(e) { |
| e.preventDefault(); |
| this.close(); |
| }, |
| |
| close: function() { |
| if (!this.isOpen) |
| return; |
| this.$.dialog.close(); |
| this.$.outer.classList.remove('open'); |
| }, |
| |
| get isOpen() { |
| return this.$.dialog.hasAttribute('open'); |
| } |
| }); |
| </script> |
| </polymer-element> |
