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Ember Content Editable Component w/ Placeholder
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| # modified from: https://github.com/KasperTidemann/ember-contenteditable-view | |
| App.ContentEditableComponent = Em.Component.extend | |
| attributeBindings: ['contenteditable', 'placeholder'] | |
| editable: true | |
| placeholder: null | |
| plaintext: false | |
| preventEnterKey: false | |
| _userIsTyping: false | |
| setup: (-> | |
| @setHTMLFromValue() | |
| @setPlaceholder() if @elementIsEmpty() and @get('placeholder') | |
| ).on('didInsertElement') | |
| # Properties: | |
| contenteditable: (-> | |
| editable = @get('editable') | |
| (if editable then 'true' else `undefined`) | |
| ).property('editable') | |
| # Observers: | |
| valueDidChange: (-> | |
| @setHTMLFromValue() if @get('value') and not @get('_userIsTyping') | |
| ).observes('value') | |
| # DOM Events: | |
| keyDown: (event) -> | |
| @set('_userIsTyping', true) | |
| @supressEnterKeyEvent(event) if @get('preventEnterKey') | |
| @removePlaceholder() if @elementHasPlaceholder() | |
| keyUp: (event) -> | |
| if @elementIsEmpty() || @elementHasPlaceholder() | |
| @set('value', '') | |
| @setPlaceholder() | |
| return | |
| @setValueFromHTML() | |
| focusOut: -> | |
| @set '_userIsTyping', false | |
| @setPlaceholder() if @elementIsEmpty() | |
| elementIsEmpty: -> | |
| Em.isEmpty(@.$().text()) | |
| elementHasPlaceholder: -> | |
| @.$().text() == @get('placeholder') | |
| setPlaceholder: -> | |
| @.$().text(@get('placeholder')).addClass('placeholder') | |
| removePlaceholder: -> | |
| @.$().text('').removeClass('placeholder') | |
| setHTMLFromValue: -> | |
| @.$().html(@get('value')) | |
| setValueFromHTML: -> | |
| if @get('plaintext') | |
| @set 'value', @.$().text() | |
| else | |
| @set 'value', @.$().html() | |
| supressEnterKeyEvent: (e) -> | |
| if e.keyCode == 13 || e.which == 13 | |
| e.preventDefault() |
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