mirror of
https://github.com/flarum/core.git
synced 2025-07-29 04:30:56 +02:00
Clean up/refactor composer, add escape hotkey
This commit is contained in:
Toby Zerner
@@ -1,112 +1,66 @@
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import Ember from 'ember';
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import { PositionEnum } from '../controllers/composer';
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import ActionButton from '../components/ui/controls/action-button';
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import TaggedArray from '../utils/tagged-array';
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var $ = Ember.$;
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export default Ember.View.extend(Ember.Evented, {
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classNames: ['composer'],
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classNameBindings: [
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'controller.showing:showing',
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'controller.minimized:minimized',
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'controller.fullScreen:fullscreen',
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'minimized',
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'fullscreen',
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'active'
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],
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position: Ember.computed.alias('controller.position'),
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visible: Ember.computed.alias('controller.visible'),
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normal: Ember.computed.alias('controller.normal'),
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minimized: Ember.computed.alias('controller.minimized'),
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fullscreen: Ember.computed.alias('controller.fullscreen'),
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// Calculate the composer's current height, based on the intended height
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// (which is set when the resizing handle is dragged), and the composer's
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// current state.
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computedHeight: function() {
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if (this.get('controller.minimized') || this.get('controller.fullScreen')) {
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if (this.get('minimized')) {
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return '';
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} else if (this.get('fullscreen')) {
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return $(window).height();
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} else {
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return Math.max(200, Math.min(this.get('height'), $(window).height() - $('#header').outerHeight()));
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}
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}.property('height', 'controller.minimized', 'controller.fullScreen'),
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updateHeight: function() {
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if (! this.$()) {
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return;
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}
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var view = this;
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Ember.run.scheduleOnce('afterRender', function() {
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view.$().height(view.get('computedHeight'));
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view.updateTextareaHeight();
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// view.updateBottomPadding();
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});
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}.observes('computedHeight'),
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showingChanged: function() {
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if (! this.$()) {
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return;
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}
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var view = this;
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if (view.get('controller.showing')) {
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view.$().show();
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}
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Ember.run.scheduleOnce('afterRender', function() {
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view.$().css('bottom', view.get('controller.showing') ? -view.$().outerHeight() : 0);
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view.$().animate({bottom: view.get('controller.showing') ? 0 : -view.$().outerHeight()}, 'fast', function() {
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if (view.get('controller.showing')) {
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view.focus();
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} else {
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view.$().hide();
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}
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});
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view.updateBottomPadding(true);
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});
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}.observes('controller.showing'),
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minimizedChanged: function() {
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if (! this.$() || ! this.get('controller.showing')) {
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return;
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}
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var view = this;
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var oldHeight = this.$().height();
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Ember.run.scheduleOnce('afterRender', function() {
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var newHeight = view.$().height();
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view.updateBottomPadding(true);
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view.$().css('height', oldHeight).animate({height: newHeight}, 'fast', function() {
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if (! view.get('controller.minimized')) {
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view.focus();
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}
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});
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});
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}.observes('controller.minimized'),
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fullScreenChanged: function() {
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if (! this.$()) {
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return;
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}
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var view = this;
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Ember.run.scheduleOnce('afterRender', function() {
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view.updateTextareaHeight();
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});
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}.observes('controller.fullScreen'),
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}.property('height', 'minimized', 'fullscreen'),
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didInsertElement: function() {
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var view = this;
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var controller = this.get('controller');
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// Hide the composer to begin with.
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this.set('height', this.$().height());
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this.$().hide();
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var controller = this.get('controller');
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// If the composer is minimized, allow the user to click anywhere on
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// it to show it.
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this.$('.composer-content').click(function() {
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if (controller.get('minimized')) {
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if (view.get('minimized')) {
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controller.send('show');
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}
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});
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var view = this;
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// Modulate the view's active property/class according to the focus
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// state of any inputs.
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this.$().on('focus', ':input', function() {
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view.set('active', true);
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}).on('blur', ':input', function() {
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view.set('active', false);
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});
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this.set('height', this.$().height());
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// Focus on the first input when the controller wants to focus.
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controller.on('focus', this, this.focus);
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// Set up the handle so that the composer can be resized.
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$(window).on('resize', {view: this}, this.windowWasResized).resize();
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var dragData = {view: this};
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@@ -123,107 +77,36 @@ export default Ember.View.extend(Ember.Evented, {
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$(document)
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.on('mousemove', dragData, this.mouseWasMoved)
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.on('mouseup', dragData, this.mouseWasReleased);
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// When the escape key is pressed on any inputs, close the composer.
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this.$().on('keydown', ':input', 'esc', function() {
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controller.send('close');
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});
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},
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willDestroyElement: function() {
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$(window)
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.off('resize', this.windowWasResized);
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$(window).off('resize', this.windowWasResized);
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$(document)
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.off('mousemove', this.mouseWasMoved)
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.off('mouseup', this.mouseWasReleased);
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},
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windowWasResized: function(event) {
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var view = event.data.view;
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view.notifyPropertyChange('computedHeight');
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},
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// Update the amount of padding-bottom on the body so that the page's
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// content will still be visible above the composer when the page is
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// scrolled right to the bottom.
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updateBodyPadding: function(animate) {
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// Before we change anything, work out if we're currently scrolled
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// right to the bottom of the page. If we are, we'll want to anchor
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// the body's scroll position to the bottom after we update the
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// padding.
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var anchorScroll = $(window).scrollTop() + $(window).height() >= $(document).height();
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mouseWasMoved: function(event) {
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if (! event.data.handle) {
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return;
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}
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var view = event.data.view;
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var func = animate ? 'animate' : 'css';
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var paddingBottom = this.get('visible') ? this.get('computedHeight') - Ember.$('#footer').outerHeight(true) : 0;
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$('#main')[func]({paddingBottom: paddingBottom}, 'fast');
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var deltaPixels = event.data.mouseStart - event.clientY;
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view.set('height', event.data.heightStart + deltaPixels);
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view.updateTextareaHeight();
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view.updateBottomPadding();
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},
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mouseWasReleased: function(event) {
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if (! event.data.handle) {
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return;
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}
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event.data.handle = null;
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$('body').css('cursor', '');
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},
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refreshControls: function() {
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var controlItems = TaggedArray.create();
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this.trigger('populateControls', controlItems);
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this.set('controlItems', controlItems);
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}.observes('controller.minimized', 'controller.fullScreen'),
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populateControls: function(controls) {
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var controller = this.get('controller');
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if (controller.get('fullScreen')) {
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var exit = ActionButton.create({
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icon: 'compress',
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title: 'Exit Full Screen',
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className: 'btn btn-icon btn-link',
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action: function() {
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controller.send('exitFullScreen');
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}
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});
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controls.pushObjectWithTag(exit, 'exit');
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} else {
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if (! controller.get('minimized')) {
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var minimize = ActionButton.create({
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icon: 'minus',
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title: 'Minimize',
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className: 'btn btn-icon btn-link btn-minimize',
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action: function() {
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controller.send('minimize');
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}
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});
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controls.pushObjectWithTag(minimize, 'minimize');
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var fullScreen = ActionButton.create({
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icon: 'expand',
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title: 'Full Screen',
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className: 'btn btn-icon btn-link',
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action: function() {
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controller.send('fullScreen');
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}
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});
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controls.pushObjectWithTag(fullScreen, 'fullScreen');
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}
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var close = ActionButton.create({
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icon: 'times',
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title: 'Close',
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className: 'btn btn-icon btn-link',
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action: function() {
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controller.send('close');
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}
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});
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controls.pushObjectWithTag(close, 'close');
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}
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},
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focus: function() {
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this.$().find(':input:enabled:visible:first').focus();
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},
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updateBottomPadding: function(animate) {
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var top = $(document).height() - $(window).height();
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var isBottom = $(window).scrollTop() >= top;
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$('#main')[animate ? 'animate' : 'css']({paddingBottom: this.get('controller.showing') ? this.$().outerHeight() - Ember.$('#footer').outerHeight(true) : 0}, 'fast');
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if (isBottom) {
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if (anchorScroll) {
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if (animate) {
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$('html, body').animate({scrollTop: $(document).height()}, 'fast');
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} else {
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@@ -232,13 +115,151 @@ export default Ember.View.extend(Ember.Evented, {
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}
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},
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updateTextareaHeight: function() {
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// Update the height of the stuff inside of the composer. There should be
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// an element with the class .flexible-height — this element is intended
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// to fill up the height of the composer, minus the space taken up by the
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// composer's header/footer/etc.
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updateContentHeight: function() {
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var content = this.$('.composer-content');
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this.$('textarea').height((this.get('computedHeight') || this.$().height())
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this.$('.flexible-height').height(this.get('computedHeight')
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- parseInt(content.css('padding-top'))
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- parseInt(content.css('padding-bottom'))
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- this.$('.composer-header').outerHeight(true)
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- this.$('.text-editor-controls').outerHeight(true));
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}
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},
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// ------------------------------------------------------------------------
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// OBSERVERS
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// ------------------------------------------------------------------------
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// Whenever the composer is minimized or goes to/from fullscreen, we need
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// to re-populate the control buttons, because their configuration depends
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// on the composer's current state.
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refreshControls: function() {
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var controlItems = TaggedArray.create();
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this.trigger('populateControls', controlItems);
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this.set('controlItems', controlItems);
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}.observes('minimized', 'fullscreen'),
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// Whenever the composer's computed height changes, update the DOM to
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// reflect it.
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updateHeight: function() {
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if (!this.$()) { return; }
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var view = this;
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Ember.run.scheduleOnce('afterRender', function() {
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view.$().height(view.get('computedHeight'));
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view.updateContentHeight();
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});
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}.observes('computedHeight'),
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positionWillChange: function() {
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this.set('oldPosition', this.get('position'));
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}.observesBefore('position'),
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// Whenever the composer's display state changes, update the DOM to slide
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// it in or out.
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positionDidChange: function() {
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var $composer = this.$();
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if (!$composer) { return; }
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var view = this;
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// At this stage, the position property has just changed, and the
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// class name hasn't been altered in the DOM. So, we can grab the
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// composer's current height which we might want to animate from.
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// After the DOM has updated, we animate to its new height.
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var oldHeight = $composer.height();
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Ember.run.scheduleOnce('afterRender', function() {
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var newHeight = $composer.height();
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switch (view.get('position')) {
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case PositionEnum.HIDDEN:
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$composer.animate({bottom: -oldHeight}, 'fast', function() {
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$composer.hide();
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});
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break;
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case PositionEnum.NORMAL:
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if (view.get('oldPosition') !== PositionEnum.FULLSCREEN) {
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$composer.show();
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$composer.css({height: oldHeight}).animate({bottom: 0, height: newHeight}, 'fast', function() {
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view.focus();
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});
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}
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break;
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case PositionEnum.MINIMIZED:
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$composer.css({height: oldHeight}).animate({height: newHeight}, 'fast', function() {
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view.focus();
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});
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break;
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}
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if (view.get('position') !== PositionEnum.FULLSCREEN) {
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view.updateBodyPadding(true);
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}
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view.updateContentHeight();
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});
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}.observes('position'),
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// ------------------------------------------------------------------------
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// LISTENERS
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// ------------------------------------------------------------------------
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windowWasResized: function(event) {
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// Force a recalculation of the computed height, because its value
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// depends on the window's height.
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var view = event.data.view;
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view.notifyPropertyChange('computedHeight');
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},
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mouseWasMoved: function(event) {
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if (! event.data.handle) { return; }
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var view = event.data.view;
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// Work out how much the mouse has been moved, and set the height
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// relative to the old one based on that. Then update the content's
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// height so that it fills the height of the composer, and update the
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// body's padding.
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var deltaPixels = event.data.mouseStart - event.clientY;
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view.set('height', event.data.heightStart + deltaPixels);
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view.updateContentHeight();
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view.updateBodyPadding();
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},
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mouseWasReleased: function(event) {
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if (! event.data.handle) { return; }
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event.data.handle = null;
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$('body').css('cursor', '');
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},
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focus: function() {
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this.$().find(':input:enabled:visible:first').focus();
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},
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populateControls: function(controls) {
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var controller = this.get('controller');
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var addControl = function(action, icon, title) {
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var control = ActionButton.create({
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icon: icon,
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title: title,
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className: 'btn btn-icon btn-link',
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action: function() {
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controller.send(action);
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}
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});
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controls.pushObjectWithTag(control, action);
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};
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if (this.get('fullscreen')) {
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addControl('exitFullscreen', 'compress', 'Exit Full Screen');
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} else {
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if (! this.get('minimized')) {
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addControl('minimize', 'minus minimize', 'Minimize');
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addControl('fullscreen', 'expand', 'Full Screen');
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}
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addControl('close', 'times', 'Close');
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}
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}
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});
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