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| 1 <!-- |
| 2 Copyright 2015 The Polymer Authors. All rights reserved. |
| 3 Use of this source code is governed by a BSD-style |
| 4 license that can be found in the LICENSE file. |
| 5 --> |
| 6 <!doctype html> |
| 7 <html> |
| 8 <head> |
| 9 <!-- |
| 10 TODO: remove style |
| 11 --> |
| 12 <style> |
| 13 body { |
| 14 position: relative; |
| 15 margin: 0; |
| 16 padding: 0; |
| 17 } |
| 18 #foo { |
| 19 position: absolute; |
| 20 background: #faa; |
| 21 box-sizing: border-box; |
| 22 } |
| 23 .static { |
| 24 height: 100px; |
| 25 background: blue; |
| 26 border: solid 1px black; |
| 27 box-sizing: border-box; |
| 28 } |
| 29 </style> |
| 30 </head> |
| 31 <body> |
| 32 <!-- |
| 33 TODO: remove content |
| 34 |
| 35 This is only here for demo / development until there's a way to load conte
nt into the frame. |
| 36 --> |
| 37 <div class="static"></div> |
| 38 <div class="static"></div> |
| 39 <div id="foo" style="top: 100px; left: 100px; height: 100px;width: 400px;">H
ello Designer</div> |
| 40 <div id="foo" style="top: 300px; left: 100px; height: 100px;width: 400px;">H
ello Designer</div> |
| 41 <script> |
| 42 (function() { |
| 43 currentElement = null; |
| 44 token = null; |
| 45 |
| 46 window.addEventListener("message", function(e) { |
| 47 switch (e.data.message_type) { |
| 48 case 'setToken': |
| 49 setToken(e); |
| 50 break; |
| 51 case 'selectElement': |
| 52 selectElement(e); |
| 53 break; |
| 54 case 'resizeElement': |
| 55 resizeElement(e); |
| 56 break; |
| 57 } |
| 58 }); |
| 59 |
| 60 function setToken(e) { |
| 61 if (token != null) { |
| 62 throw new Error('token already set'); |
| 63 } |
| 64 token = e.data.token; |
| 65 } |
| 66 |
| 67 function sendUpdateSelector(receiver, bounds) { |
| 68 receiver.postMessage({ |
| 69 message_type: 'updateSelector', |
| 70 token: token, |
| 71 bounds: { |
| 72 left: bounds.left, |
| 73 top: bounds.top, |
| 74 width: bounds.width, |
| 75 height: bounds.height |
| 76 } |
| 77 }, '*'); |
| 78 } |
| 79 |
| 80 function sendSelectedElement(receiver, element) { |
| 81 var style = window.getComputedStyle(element); |
| 82 var bounds = element.getBoundingClientRect(); |
| 83 receiver.postMessage({ |
| 84 message_type: 'seletedElement', |
| 85 token: token, |
| 86 tagName: element.tagName, |
| 87 display: style.display, |
| 88 position: style.position, |
| 89 bounds: { |
| 90 left: bounds.left, |
| 91 top: bounds.top, |
| 92 width: bounds.width, |
| 93 height: bounds.height |
| 94 } |
| 95 }, '*'); |
| 96 } |
| 97 |
| 98 function selectElement(e) { |
| 99 var data = e.data; |
| 100 currentElement = document.elementFromPoint(data.x, data.y); |
| 101 var bounds = currentElement.getBoundingClientRect(); |
| 102 sendSelectedElement(e.source, currentElement); |
| 103 } |
| 104 |
| 105 function resizeElement(e) { |
| 106 if (currentElement != null) { |
| 107 var bounds = e.data.bounds; |
| 108 currentElement.style.top = bounds.top + 'px'; |
| 109 currentElement.style.left = bounds.left + 'px'; |
| 110 currentElement.style.height = bounds.height + 'px'; |
| 111 currentElement.style.width = bounds.width + 'px'; |
| 112 sendUpdateSelector(e.source, bounds); |
| 113 } |
| 114 } |
| 115 })(); |
| 116 </script> |
| 117 </body> |
| 118 </html> |
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Chromium Code Reviews
Issue 881243003:
Add designer-stage (Closed)
Base URL: https://github.com/PolymerLabs/designer2.git@master