118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
/*jshint multistr:true */
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this.recline = this.recline || {};
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this.recline.View = this.recline.View || {};
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(function($, my) {
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my.Timeline = Backbone.View.extend({
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tagName: 'div',
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className: 'recline-timeline',
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template: ' \
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<div id="vmm-timeline-id"></div> \
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',
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// These are the default (case-insensitive) names of field that are used if found.
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// If not found, the user will need to define these fields on initialization
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startFieldNames: ['date','startdate', 'start', 'start-date'],
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endFieldNames: ['end','endDate'],
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elementId: '#vmm-timeline-id',
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initialize: function(options) {
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var self = this;
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this.el = $(this.el);
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this.timeline = new VMM.Timeline();
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this._timelineIsInitialized = false;
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this.bind('view:show', function() {
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if (self._timelineIsInitialized === false) {
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self._initTimeline();
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}
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});
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this.model.fields.bind('reset', function() {
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self._setupTemporalField();
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});
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this.model.currentRecords.bind('all', function() {
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self.reloadData();
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});
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var stateData = _.extend({
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startField: null,
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endField: null
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},
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options.state
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);
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this.state = new recline.Model.ObjectState(stateData);
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this._setupTemporalField();
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this.render();
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},
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render: function() {
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var tmplData = {};
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var htmls = Mustache.render(this.template, tmplData);
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this.el.html(htmls);
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},
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_initTimeline: function() {
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// set width explicitly o/w timeline goes wider that screen for some reason
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this.el.find(this.elementId).width(this.el.parent().width());
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// only call _initTimeline once view in DOM as Timeline uses $ internally to look up element
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var config = {};
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var data = this._timelineJSON();
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this.timeline.init(data, this.elementId, config);
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this._timelineIsInitialized = true
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},
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reloadData: function() {
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if (this._timelineIsInitialized) {
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var data = this._timelineJSON();
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this.timeline.reload(data);
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}
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},
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_timelineJSON: function() {
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var self = this;
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var out = {
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'timeline': {
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'type': 'default',
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'headline': '',
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'date': [
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]
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}
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};
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this.model.currentRecords.each(function(doc) {
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var start = doc.get(self.state.get('startField'));
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if (start) {
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var end = doc.get(self.state.get('endField'));
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end = end ? moment(end).toDate() : null;
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var tlEntry = {
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"startDate": moment(start).toDate(),
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"endDate": end,
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"headline": String(doc.get('title') || ''),
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"text": doc.summary()
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};
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out.timeline.date.push(tlEntry);
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}
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});
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return out;
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},
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_setupTemporalField: function() {
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this.state.set({
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startField: this._checkField(this.startFieldNames),
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endField: this._checkField(this.endFieldNames)
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});
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},
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_checkField: function(possibleFieldNames) {
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var modelFieldNames = this.model.fields.pluck('id');
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for (var i = 0; i < possibleFieldNames.length; i++){
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for (var j = 0; j < modelFieldNames.length; j++){
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if (modelFieldNames[j].toLowerCase() == possibleFieldNames[i].toLowerCase())
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return modelFieldNames[j];
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}
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}
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return null;
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}
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});
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})(jQuery, recline.View);
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