75 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright (C) 2016 The Android Open Source Project
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| // http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| (function() {
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|   'use strict';
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| 
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|   Polymer({
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|     is: 'gr-button',
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| 
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|     properties: {
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|       link: {
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|         type: Boolean,
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|         reflectToAttribute: true,
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|       },
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|       disabled: {
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|         type: Boolean,
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|         observer: '_disabledChanged',
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|         reflectToAttribute: true,
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|       },
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|       _enabledTabindex: {
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|         type: String,
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|         value: '0',
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|       },
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|     },
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| 
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|     listeners: {
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|       tap: '_handleAction',
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|       click: '_handleAction',
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|     },
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| 
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|     behaviors: [
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|       Gerrit.KeyboardShortcutBehavior,
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|       Gerrit.TooltipBehavior,
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|     ],
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| 
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|     hostAttributes: {
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|       role: 'button',
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|       tabindex: '0',
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|     },
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| 
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|     keyBindings: {
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|       'space enter': '_handleCommitKey',
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|     },
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| 
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|     _handleAction(e) {
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|       if (this.disabled) {
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|         e.preventDefault();
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|         e.stopImmediatePropagation();
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|       }
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|     },
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| 
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|     _disabledChanged(disabled) {
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|       if (disabled) {
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|         this._enabledTabindex = this.getAttribute('tabindex');
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|       }
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|       this.setAttribute('tabindex', disabled ? '-1' : this._enabledTabindex);
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|     },
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| 
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|     _handleCommitKey(e) {
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|       e.preventDefault();
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|       this.click();
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|     },
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|   });
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| })();
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