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109 lines
3.6 KiB
JavaScript
109 lines
3.6 KiB
JavaScript
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* A directive provides an editor whose contents are exposed via a
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* ClipboardData object via the "data" attribute. If this data should also be
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* synced to the local clipboard, or sent via a connected Guacamole client
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* using a "guacClipboard" event, it is up to external code to do so.
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*/
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angular.module('clipboard').directive('guacClipboard', ['$injector',
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function guacClipboard($injector) {
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// Required types
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var ClipboardData = $injector.get('ClipboardData');
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/**
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* Configuration object for the guacClipboard directive.
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*
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* @type Object.<String, Object>
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*/
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var config = {
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restrict : 'E',
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replace : true,
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templateUrl : 'app/clipboard/templates/guacClipboard.html'
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};
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// Scope properties exposed by the guacClipboard directive
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config.scope = {
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/**
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* The data to display within the field provided by this directive. This
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* data will modified or replaced when the user manually alters the
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* contents of the field.
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*
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* @type ClipboardData
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*/
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data : '='
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};
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// guacClipboard directive controller
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config.controller = ['$scope', '$injector', '$element',
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function guacClipboardController($scope, $injector, $element) {
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/**
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* The DOM element which will contain the clipboard contents within the
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* user interface provided by this directive.
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*
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* @type Element
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*/
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var element = $element[0];
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/**
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* Rereads the contents of the clipboard field, updating the
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* ClipboardData object on the scope as necessary. The type of data
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* stored within the ClipboardData object will be heuristically
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* determined from the HTML contents of the clipboard field.
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*/
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var updateClipboardData = function updateClipboardData() {
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// Read contents of clipboard textarea
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$scope.$evalAsync(function assignClipboardText() {
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$scope.data = new ClipboardData({
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type : 'text/plain',
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data : element.value
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});
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});
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};
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// Update the internally-stored clipboard data when events are fired
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// that indicate the clipboard field may have been changed
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element.addEventListener('input', updateClipboardData);
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element.addEventListener('change', updateClipboardData);
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// Watch clipboard for new data, updating the clipboard textarea as
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// necessary
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$scope.$watch('data', function clipboardDataChanged(data) {
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// If the clipboard data is a string, render it as text
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if (typeof data.data === 'string')
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element.value = data.data;
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// Ignore other data types for now
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}); // end $scope.data watch
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}];
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return config;
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}]);
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