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Nesting Polymer elements and dynamic content inside dom-repeat (source: http://jsbin.com/gagojas)
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="nesting Polymer elements and dynamic content inside dom-repeat"> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <base href="http://polygit.org/polymer+:1.x/components/" /> | |
| <link href="polymer/polymer.html" rel="import" /> | |
| </head> | |
| <body> | |
| <dom-module id="ddc-tabs"> | |
| <template> | |
| <ul class="links"> | |
| <template is="dom-repeat" items="[[items]]"> | |
| <li><a href="#">show [[item.content]]</a></li> | |
| </template> | |
| </ul> | |
| <ul class="sections"> | |
| <template is="dom-repeat" items="[[items]]"> | |
| <li><ddc-grid-selector regions="[[items]]">[[item.content]]</ddc-grid-selector></li> | |
| </template> | |
| </ul> | |
| </template> | |
| <script> | |
| Polymer({ | |
| is: 'ddc-tabs', | |
| properties: { | |
| items: Array, | |
| }, | |
| }); | |
| </script> | |
| </dom-module> | |
| <dom-module id="ddc-grid-selector"> | |
| <template> | |
| <section> | |
| <content></content> | |
| </section> | |
| </template> | |
| <script> | |
| Polymer({ | |
| is: 'ddc-grid-selector', | |
| properties: { | |
| regions: { | |
| type: Array, | |
| notify: true, | |
| observer: '_onRegionsLoad' | |
| } | |
| }, | |
| _onRegionsLoad: function(newv, oldv) { | |
| console.log('_onRegionsLoad fired', newv, oldv); | |
| } | |
| }); | |
| </script> | |
| </dom-module> | |
| <dom-module is="ddc-region-selector"> | |
| <template> | |
| <ddc-tabs items="[[myItems]]"></ddc-tabs> | |
| <button on-tap="_onButtonClick">add new one</button> | |
| </template> | |
| <script> | |
| Polymer({ | |
| is: 'ddc-region-selector', | |
| ready: function() { | |
| this.myItems = [ | |
| { content: "First tab" }, | |
| { content: "Second tab" }, | |
| { content: "Third tab" }, | |
| ]; | |
| }, | |
| _onButtonClick: function(){ | |
| this.push('myItems', { content: 'another tab' }); | |
| } | |
| }); | |
| </script> | |
| </dom-module> | |
| <ddc-region-selector></ddc-region-selector> | |
| </body> | |
| </html> |
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From here: https://stackoverflow.com/questions/44504405/nesting-elements-and-dynamic-content-inside-dom-repeat-polymer-1-0