[FIX] correctly calls the parent of the graph view in the constructor (now, the view...
[odoo/odoo.git] / addons / web_graph / static / src / js / graph.js
1 /*---------------------------------------------------------
2  * OpenERP web_graph
3  *---------------------------------------------------------*/
4
5 /* jshint undef: false  */
6
7 openerp.web_graph = function (instance) {
8 'use strict';
9
10 var _lt = instance.web._lt;
11 var _t = instance.web._t;
12 var QWeb = instance.web.qweb;
13
14 instance.web.views.add('graph', 'instance.web_graph.GraphView');
15
16 instance.web_graph.GraphView = instance.web.View.extend({
17     display_name: _lt('Graph'),
18     view_type: 'graph',
19
20     init: function(parent, dataset, view_id, options) {
21         this._super(parent, dataset, view_id, options);
22         this.dataset = dataset;
23         this.model = new instance.web.Model(dataset.model, {group_by_no_leaf: true});
24         this.search_view = parent.searchview;
25         this.search_view_groupby = [];
26         this.groupby_mode = 'default';  // 'default' or 'manual'
27         this.default_row_groupby = [];
28         this.default_col_groupby = [];
29         this.search_field = {
30             get_context: this.proxy('get_context'),
31             get_domain: function () {},
32             get_groupby: function () { },
33         };
34     },
35
36     get_context: function (facet) {
37         var col_group_by = _.map(facet.values.models, function (model) {
38             return model.attributes.value.attrs.context.col_group_by;
39         });
40         return {col_group_by : col_group_by};
41     },
42
43     start: function () {
44         var options = {enabled:false};
45         this.graph_widget = new openerp.web_graph.Graph(this, this.model, options);
46         this.graph_widget.appendTo(this.$el);
47         this.graph_widget.pivot.on('groupby_changed', this, this.proxy('register_groupby'));
48         return this.load_view();
49     },
50
51     view_loading: function (fields_view_get) {
52         var self = this,
53             arch = fields_view_get.arch,
54             measure = null,
55             stacked = false;
56
57         if (arch.attrs.type === 'bar' || !_.has(arch.attrs, 'type')) {
58             this.graph_widget.mode = 'bar_chart';
59         }
60         if (arch.attrs.stacked === 'True') {
61             stacked = true;
62         }
63
64         _.each(arch.children, function (field) {
65             if (_.has(field.attrs, 'type')) {
66                 switch (field.attrs.type) {
67                     case 'row':
68                         self.default_row_groupby.push(field.attrs.name);
69                         break;
70                     case 'col':
71                         self.default_col_groupby.push(field.attrs.name);
72                         break;
73                     case 'measure':
74                         measure = field.attrs.name;
75                         break;
76                 }
77             } else {  // old style, kept for backward compatibility
78                 if ('operator' in field.attrs) {
79                     measure = (measure) ? measure : field.attrs.name;
80                 } else {
81                     self.default_row_groupby.push(field.attrs.name);
82                 }
83             }
84         });
85         this.graph_widget.config({
86             measure:measure,
87             update:false,
88             bar_ui: (stacked) ? 'stack' : 'group'
89         });
90     },
91
92     do_search: function (domain, context, group_by) {
93         var col_groupby = context.col_group_by || [],
94             options = {domain:domain};
95
96         this.search_view_groupby = group_by;
97
98         if (group_by.length && this.groupby_mode !== 'manual') {
99             if (_.isEqual(col_groupby, [])) {
100                 col_groupby = this.default_col_groupby;
101             }
102         }
103         if (group_by.length || col_groupby.length) {
104             this.groupby_mode = 'manual';
105         }
106         if (!this.graph_widget.enabled) {
107             options.update = false;
108             options.silent = true;
109         }
110
111         if (this.groupby_mode === 'manual') {
112             options.row_groupby = group_by;
113             options.col_groupby = col_groupby;
114         } else {
115             options.row_groupby = _.toArray(this.default_row_groupby);
116             options.col_groupby = _.toArray(this.default_col_groupby);
117         }
118         this.graph_widget.pivot.config(options);
119
120         if (!this.graph_widget.enabled) {
121             this.graph_widget.activate_display();
122             this.ViewManager.on('switch_mode', this, function () {this.graph_widget.pivot.update_data(); });
123         }
124     },
125
126     do_show: function () {
127         this.do_push_state({});
128         return this._super();
129     },
130
131     register_groupby: function() {
132         var self = this,
133             query = this.search_view.query;
134
135         this.groupby_mode = 'manual';
136         if (_.isEqual(this.search_view_groupby, this.graph_widget.pivot.rows.groupby) ||
137             (!_.has(this.search_view, '_s_groupby'))) {
138             return;
139         }
140         var rows = _.map(this.graph_widget.pivot.rows.groupby, function (group) {
141             return make_facet('GroupBy', group);
142         });
143         var cols = _.map(this.graph_widget.pivot.cols.groupby, function (group) {
144             return make_facet('ColGroupBy', group);
145         });
146
147         query.reset(rows.concat(cols));
148
149         function make_facet (category, fields) {
150             var values,
151                 icon,
152                 backbone_field,
153                 cat_name;
154             if (!(fields instanceof Array)) { fields = [fields]; }
155             if (category === 'GroupBy') {
156                 cat_name = 'group_by';
157                 icon = 'w';
158                 backbone_field = self.search_view._s_groupby;
159             } else {
160                 cat_name = 'col_group_by';
161                 icon = 'f';
162                 backbone_field = self.search_field;
163             }
164             values =  _.map(fields, function (field) {
165                 var context = {};
166                 context[cat_name] = field;
167                 return {label: self.graph_widget.fields[field].string, value: {attrs:{domain: [], context: context}}};
168             });
169             return {category:category, values: values, icon:icon, field: backbone_field};
170         }
171     },
172 });
173
174 instance.web_graph.Graph = instance.web.Widget.extend({
175     template: 'GraphWidget',
176
177     events: {
178         'click .graph_mode_selection li' : 'mode_selection',
179         'click .graph_measure_selection li' : 'measure_selection',
180         'click .graph_options_selection li' : 'option_selection',
181         'click .web_graph_click' : 'header_cell_clicked',
182         'click a.field-selection' : 'field_selection',
183     },
184
185     init: function(parent, model, options) {
186         this._super(parent);
187         this.model = model;
188         this.important_fields = [];
189         this.measure_list = [];
190         this.fields = [];
191         this.pivot = new openerp.web_graph.PivotTable(model, []);
192         this.mode = 'pivot';
193         if (_.has(options, 'mode')) { this.mode = mode; }
194         this.enabled = true;
195         if (_.has(options, 'enabled')) { this.enabled = options.enabled; }
196         this.visible_ui = true;
197         this.bar_ui = 'group'; // group or stack
198         this.config(options || {});
199     },
200
201     // hide ui/show, stacked/grouped
202     config: function (options) {
203         if (_.has(options, 'visible_ui')) {
204             this.visible_ui = options.visible_ui;
205         }
206         if (_.has(options, 'bar_ui')) {
207             this.bar_ui = options.bar_ui;
208         }
209         this.pivot.config(options);
210     },
211
212     start: function() {
213         var self = this;
214         this.table = $('<table></table>');
215         this.$('.graph_main_content').append(this.table);
216         // get the most important fields (of the model) by looking at the
217         // groupby filters defined in the search view
218         var options = {model:this.model, view_type: 'search'},
219             deferred1 = instance.web.fields_view_get(options).then(function (search_view) {
220                 var groups = _.select(search_view.arch.children, function (c) {
221                     return (c.tag == 'group') && (c.attrs.string != 'Display');
222                 });
223                 _.each(groups, function(g) {
224                     _.each(g.children, function (g) {
225                         if (g.attrs.context) {
226                             var field_id = py.eval(g.attrs.context).group_by;
227                             self.important_fields.push(field_id);
228                         }
229                     });
230                 });
231             });
232
233         // get the fields descriptions and measure list from the model
234         var deferred2 = this.model.call('fields_get', []).then(function (fs) {
235             self.fields = fs;
236             var temp = _.map(fs, function (field, name) {
237                 return {name:name, type: field.type};
238             });
239             temp = _.filter(temp, function (field) {
240                 return (((field.type === 'integer') || (field.type === 'float')) && (field.name !== 'id'));
241             });
242             self.measure_list = _.map(temp, function (field) {
243                 return field.name;
244             });
245
246             var measure_selection = self.$('.graph_measure_selection');
247             _.each(self.measure_list, function (measure) {
248                 var choice = $('<a></a>').attr('data-choice', measure)
249                                          .attr('href', '#')
250                                          .append(self.fields[measure].string);
251                 measure_selection.append($('<li></li>').append(choice));
252             });
253         });
254
255         return $.when(deferred1, deferred2).then(function () {
256             if (this.enabled) {
257                 this.activate_display();
258             }
259         });
260     },
261
262     activate_display: function () {
263         this.pivot.on('redraw_required', this, this.proxy('display_data'));
264         this.pivot.update_data();
265         this.enabled = true;
266         instance.web.bus.on('click', this, function () {
267             if (this.dropdown) {
268                 this.dropdown.remove();
269                 this.dropdown = null;
270             }
271         });
272     },
273
274     display_data: function () {
275         this.$('.graph_main_content svg').remove();
276         this.$('.graph_main_content div').remove();
277         this.table.empty();
278
279         if (this.visible_ui) {
280             this.$('.graph_header').css('display', 'block');
281         } else {
282             this.$('.graph_header').css('display', 'none');
283         }
284         if (this.pivot.no_data) {
285             this.$('.graph_main_content').append($(QWeb.render('graph_no_data')));
286         } else {
287             var table_modes = ['pivot', 'heatmap', 'row_heatmap', 'col_heatmap'];
288             if (_.contains(table_modes, this.mode)) {
289                 this.draw_table();
290             } else {
291                 this.$('.graph_main_content').append($('<div><svg></svg></div>'));
292                 this.svg = this.$('.graph_main_content svg')[0];
293                 this.width = this.$el.width();
294                 this.height = Math.min(Math.max(document.documentElement.clientHeight - 116 - 60, 250), Math.round(0.8*this.$el.width()));
295                 this[this.mode]();
296             }
297         }
298     },
299
300     mode_selection: function (event) {
301         event.preventDefault();
302         var mode = event.target.attributes['data-mode'].nodeValue;
303         this.mode = mode;
304         this.display_data();
305     },
306
307     measure_selection: function (event) {
308         event.preventDefault();
309         var measure = event.target.attributes['data-choice'].nodeValue;
310         var actual_measure = (measure === '__count') ? null : measure;
311         this.pivot.config({measure:actual_measure});
312     },
313
314     option_selection: function (event) {
315         event.preventDefault();
316         switch (event.target.attributes['data-choice'].nodeValue) {
317             case 'swap_axis':
318                 this.pivot.swap_axis();
319                 break;
320             case 'expand_all':
321                 this.pivot.rows.headers = null;
322                 this.pivot.cols.headers = null;
323                 this.pivot.update_data();
324                 break;
325             case 'update_values':
326                 this.pivot.update_data();
327                 break;
328             case 'export_data':
329                 // Export code...  To do...
330                 break;
331         }
332     },
333
334     header_cell_clicked: function (event) {
335         event.preventDefault();
336         event.stopPropagation();
337         var id = event.target.attributes['data-id'].nodeValue,
338             header = this.pivot.get_header(id),
339             self = this;
340
341         if (header.is_expanded) {
342             this.pivot.fold(header);
343         } else {
344             if (header.path.length < header.root.groupby.length) {
345                 var field = header.root.groupby[header.path.length];
346                 this.pivot.expand(id, field);
347             } else {
348                 if (!this.important_fields.length) {
349                     return;
350                 }
351                 var fields = _.map(this.important_fields, function (field) {
352                         return {id: field, value: self.fields[field].string};
353                 });
354                 this.dropdown = $(QWeb.render('field_selection', {fields:fields, header_id:id}));
355                 $(event.target).after(this.dropdown);
356                 this.dropdown.css({position:'absolute',
357                                    left:event.pageX,
358                                    top:event.pageY});
359                 this.$('.field-selection').next('.dropdown-menu').toggle();
360             }
361         }
362     },
363
364     field_selection: function (event) {
365         var id = event.target.attributes['data-id'].nodeValue,
366             field_id = event.target.attributes['data-field-id'].nodeValue;
367         event.preventDefault();
368         this.pivot.expand(id, field_id);
369     },
370
371 /******************************************************************************
372  * Drawing pivot table methods...
373  ******************************************************************************/
374     draw_table: function () {
375         this.pivot.rows.main.title = 'Total';
376         this.pivot.cols.main.title = this.measure_label();
377         this.draw_top_headers();
378         _.each(this.pivot.rows.headers, this.proxy('draw_row'));
379     },
380
381     measure_label: function () {
382         return (this.pivot.measure) ? this.fields[this.pivot.measure].string : 'Quantity';
383     },
384
385     make_border_cell: function (colspan, rowspan) {
386         return $('<td></td>').addClass('graph_border')
387                              .attr('colspan', colspan)
388                              .attr('rowspan', rowspan);
389     },
390
391     make_header_title: function (header) {
392         return $('<span> </span>')
393             .addClass('web_graph_click')
394             .attr('href', '#')
395             .addClass((header.is_expanded) ? 'fa fa-minus-square' : 'fa fa-plus-square')
396             .append((header.title !== undefined) ? header.title : 'Undefined');
397     },
398
399     draw_top_headers: function () {
400         var self = this,
401             pivot = this.pivot,
402             height = _.max(_.map(pivot.cols.headers, function(g) {return g.path.length;})),
403             header_cells = [[this.make_border_cell(1, height)]];
404
405         function set_dim (cols) {
406             _.each(cols.children, set_dim);
407             if (cols.children.length === 0) {
408                 cols.height = height - cols.path.length + 1;
409                 cols.width = 1;
410             } else {
411                 cols.height = 1;
412                 cols.width = _.reduce(cols.children, function (sum,c) { return sum + c.width;}, 0);
413             }
414         }
415
416         function make_col_header (col) {
417             var cell = self.make_border_cell(col.width, col.height);
418             return cell.append(self.make_header_title(col).attr('data-id', col.id));
419         }
420
421         function make_cells (queue, level) {
422             var col = queue[0];
423             queue = _.rest(queue).concat(col.children);
424             if (col.path.length == level) {
425                 _.last(header_cells).push(make_col_header(col));
426             } else {
427                 level +=1;
428                 header_cells.push([make_col_header(col)]);
429             }
430             if (queue.length !== 0) {
431                 make_cells(queue, level);
432             }
433         }
434
435         set_dim(pivot.cols.main);  // add width and height info to columns headers
436         if (pivot.cols.main.children.length === 0) {
437             make_cells(pivot.cols.headers, 0);
438         } else {
439             make_cells(pivot.cols.main.children, 1);
440             header_cells[0].push(self.make_border_cell(1, height).append('Total').css('font-weight', 'bold'));
441         }
442
443         _.each(header_cells, function (cells) {
444             self.table.append($('<tr></tr>').append(cells));
445         });
446     },
447
448     get_measure_type: function () {
449         var measure = this.pivot.measure;
450         return (measure) ? this.fields[measure].type : 'integer';
451     },
452
453     draw_row: function (row) {
454         var self = this,
455             pivot = this.pivot,
456             measure_type = this.get_measure_type(),
457             html_row = $('<tr></tr>'),
458             row_header = this.make_border_cell(1,1)
459                 .append(this.make_header_title(row).attr('data-id', row.id))
460                 .addClass('graph_border');
461
462         for (var i in _.range(row.path.length)) {
463             row_header.prepend($('<span/>', {class:'web_graph_indent'}));
464         }
465
466         html_row.append(row_header);
467
468         _.each(pivot.cols.headers, function (col) {
469             if (col.children.length === 0) {
470                 var value = pivot.get_value(row.id, col.id),
471                     cell = make_cell(value, col);
472                 html_row.append(cell);
473             }
474         });
475
476         if (pivot.cols.main.children.length > 0) {
477             var cell = make_cell(pivot.get_total(row), pivot.cols.main)
478                             .css('font-weight', 'bold');
479             html_row.append(cell);
480         }
481
482         this.table.append(html_row);
483
484         function make_cell (value, col) {
485             var color,
486                 total,
487                 cell = $('<td></td>');
488             if ((self.mode === 'pivot') && (row.is_expanded) && (row.path.length <=2)) {
489                 color = row.path.length * 5 + 240;
490                 cell.css('background-color', $.Color(color, color, color));
491             }
492             if (value === undefined) {
493                 return cell;
494             }
495             cell.append(instance.web.format_value(value, {type: measure_type}));
496             if (self.mode === 'heatmap') {
497                 total = pivot.get_total();
498                 color = Math.floor(50 + 205*(total - value)/total);
499                 cell.css('background-color', $.Color(255, color, color));
500             }
501             if (self.mode === 'row_heatmap') {
502                 total = pivot.get_total(row);
503                 color = Math.floor(50 + 205*(total - value)/total);
504                 cell.css('background-color', $.Color(255, color, color));
505             }
506             if (self.mode === 'col_heatmap') {
507                 total = pivot.get_total(col);
508                 color = Math.floor(50 + 205*(total - value)/total);
509                 cell.css('background-color', $.Color(255, color, color));
510             }
511             return cell;
512         }
513     },
514
515 /******************************************************************************
516  * Drawing charts methods...
517  ******************************************************************************/
518     bar_chart: function () {
519         var self = this,
520             dim_x = this.pivot.rows.groupby.length,
521             dim_y = this.pivot.cols.groupby.length,
522             data;
523
524         // No groupby **************************************************************
525         if ((dim_x === 0) && (dim_y === 0)) {
526             data = [{key: 'Total', values:[{
527                 x: 'Total',
528                 y: this.pivot.get_value(this.pivot.rows.main.id, this.pivot.cols.main.id),
529             }]}];
530         // Only column groupbys ****************************************************
531         } else if ((dim_x === 0) && (dim_y >= 1)){
532             data =  _.map(this.pivot.get_columns_depth(1), function (header) {
533                 return {
534                     key: header.title,
535                     values: [{x:header.root.main.title, y: self.pivot.get_total(header)}]
536                 };
537             });
538         // Just 1 row groupby ******************************************************
539         } else if ((dim_x === 1) && (dim_y === 0))  {
540             data = _.map(this.pivot.rows.main.children, function (pt) {
541                 var value = self.pivot.get_value(pt.id, self.pivot.cols.main.id),
542                     title = (pt.title !== undefined) ? pt.title : 'Undefined';
543                 return {x: title, y: value};
544             });
545             data = [{key: this.measure_label(), values:data}];
546         // 1 row groupby and some col groupbys**************************************
547         } else if ((dim_x === 1) && (dim_y >= 1))  {
548             data = _.map(this.pivot.get_columns_depth(1), function (colhdr) {
549                 var values = _.map(self.pivot.get_rows_depth(1), function (header) {
550                     return {
551                         x: header.title || 'Undefined',
552                         y: self.pivot.get_value(header.id, colhdr.id, 0)
553                     };
554                 });
555                 return {key: colhdr.title || 'Undefined', values: values};
556             });
557         // At least two row groupby*************************************************
558         } else {
559             var keys = _.uniq(_.map(this.pivot.get_rows_depth(2), function (hdr) {
560                 return hdr.title || 'Undefined';
561             }));
562             data = _.map(keys, function (key) {
563                 var values = _.map(self.pivot.get_rows_depth(1), function (hdr) {
564                     var subhdr = _.find(hdr.children, function (child) {
565                         return ((child.title === key) || ((child.title === undefined) && (key === 'Undefined')));
566                     });
567                     return {
568                         x: hdr.title || 'Undefined',
569                         y: (subhdr) ? self.pivot.get_total(subhdr) : 0
570                     };
571                 });
572                 return {key:key, values: values};
573             });
574         }
575
576         nv.addGraph(function () {
577           var chart = nv.models.multiBarChart()
578                 .width(self.width)
579                 .height(self.height)
580                 .stacked(self.bar_ui === 'stack')
581                 .staggerLabels(true);
582
583             if (dim_x === 1 && dim_y === 0) { chart.showControls(false); }
584
585             d3.select(self.svg)
586                 .datum(data)
587                 .attr('width', self.width)
588                 .attr('height', self.height)
589                 .call(chart);
590
591             nv.utils.windowResize(chart.update);
592             return chart;
593         });
594
595     },
596
597     line_chart: function () {
598         var self = this,
599             dim_x = this.pivot.rows.groupby.length,
600             dim_y = this.pivot.cols.groupby.length;
601
602         var data = _.map(this.pivot.get_cols_leaves(), function (col) {
603             var values = _.map(self.pivot.get_rows_depth(dim_x), function (row) {
604                 return {x: row.title, y: self.pivot.get_value(row.id,col.id, 0)};
605             });
606             var title = _.map(col.path, function (p) {
607                 return p || 'Undefined';
608             }).join('/');
609             if (dim_y === 0) {
610                 title = self.measure_label();
611             }
612             return {values: values, key: title};
613         });
614
615         nv.addGraph(function () {
616             var chart = nv.models.lineChart()
617                 .x(function (d,u) { return u; })
618                 .width(self.width)
619                 .height(self.height)
620                 .margin({top: 30, right: 20, bottom: 20, left: 60});
621
622             d3.select(self.svg)
623                 .attr('width', self.width)
624                 .attr('height', self.height)
625                 .datum(data)
626                 .call(chart);
627
628             return chart;
629           });
630     },
631
632     pie_chart: function () {
633         var self = this,
634             dim_x = this.pivot.rows.groupby.length;
635
636         var data = _.map(this.pivot.get_rows_leaves(), function (row) {
637             var title = _.map(row.path, function (p) {
638                 return p || 'Undefined';
639             }).join('/');
640             if (dim_x === 0) {
641                 title = self.measure_label;
642             }
643             return {x: title, y: self.pivot.get_total(row)};
644         });
645
646         nv.addGraph(function () {
647             var chart = nv.models.pieChart()
648                 .color(d3.scale.category10().range())
649                 .width(self.width)
650                 .height(self.height);
651
652             d3.select(self.svg)
653                 .datum(data)
654                 .transition().duration(1200)
655                 .attr('width', self.width)
656                 .attr('height', self.height)
657                 .call(chart);
658
659             nv.utils.windowResize(chart.update);
660             return chart;
661         });
662     },
663
664 });
665
666 };
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