1 | ;
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2 |
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3 | var DEFAULT_PRIORITY = 1000;
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4 |
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5 |
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6 | /**
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7 | * A component that decides upon the visibility / editable
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8 | * state of properties in the properties panel.
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9 | *
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10 | * Implementors must subclass this component and override
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11 | * {@link PropertiesActivator#isEntryVisible} and
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12 | * {@link PropertiesActivator#isPropertyEditable} to provide
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13 | * custom behavior.
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14 | *
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15 | * @class
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16 | * @constructor
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17 | *
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18 | * @param {EventBus} eventBus
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19 | * @param {Number} [priority] at which priority to hook into the activation
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20 | */
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21 | function PropertiesActivator(eventBus, priority) {
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22 | var self = this;
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23 |
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24 | priority = priority || DEFAULT_PRIORITY;
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25 |
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26 | eventBus.on('propertiesPanel.isEntryVisible', priority, function(e) {
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27 | return self.isEntryVisible(e.entry, e.element);
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28 | });
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29 |
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30 | eventBus.on('propertiesPanel.isPropertyEditable', priority, function(e) {
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31 | return self.isPropertyEditable(e.entry, e.propertyName, e.element);
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32 | });
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33 | }
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34 |
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35 | PropertiesActivator.$inject = [ 'eventBus' ];
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36 |
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37 | module.exports = PropertiesActivator;
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38 |
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39 |
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40 | /**
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41 | * Should the given entry be visible for the specified element.
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42 | *
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43 | * @method PropertiesActivator#isEntryVisible
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44 | *
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45 | * @param {EntryDescriptor} entry
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46 | * @param {ModdleElement} element
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47 | *
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48 | * @returns {Boolean}
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49 | */
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50 | PropertiesActivator.prototype.isEntryVisible = function(entry, element) {
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51 | return true;
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52 | };
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53 |
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54 | /**
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55 | * Should the given property be editable for the specified element
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56 | *
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57 | * @method PropertiesActivator#isPropertyEditable
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58 | *
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59 | * @param {EntryDescriptor} entry
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60 | * @param {String} propertyName
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61 | * @param {ModdleElement} element
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62 | *
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63 | * @returns {Boolean}
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64 | */
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65 | PropertiesActivator.prototype.isPropertyEditable = function(entry, propertyName, element) {
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66 | return true;
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67 | }; |
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