d362d0d978
Scroll to the bottom (most recent) message in the conversation when it is opened, when we send a message, and when we receive a message.
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
var Whisper = Whisper || {};
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(function () {
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'use strict';
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Whisper.ConversationView = Backbone.View.extend({
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className: 'conversation',
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initialize: function() {
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this.listenTo(this.model, 'destroy', this.stopListening); // auto update
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this.template = $('#conversation').html();
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Mustache.parse(this.template);
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this.$el.html(Mustache.render(this.template));
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this.view = new Whisper.MessageListView({collection: this.model.messages()});
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this.listenTo(this.model.messages(), 'add', this.scrollToBottom);
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this.model.messages().fetch({reset: true});
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this.$el.find('.discussion-container').append(this.view.el);
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window.addEventListener('storage', (function(){
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this.model.messages().fetch();
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}).bind(this));
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},
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events: {
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'submit .send': 'sendMessage',
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'close': 'remove'
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},
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sendMessage: function(e) {
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e.preventDefault();
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var input = this.$el.find('.send input');
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if (input.val().length > 0) {
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this.model.sendMessage(input.val());
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input.val("");
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}
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},
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scrollToBottom: function() {
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this.view.$el.scrollTop(this.view.el.scrollHeight);
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},
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render: function() {
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Whisper.Layout.setContent(this.$el.show());
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this.scrollToBottom();
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return this;
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}
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});
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})();
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