[IMP] displays a nice message when the graph view has no data to display (addon web_g...
[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);
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         }
123     },
124
125     do_show: function () {
126         this.do_push_state({});
127         return this._super();
128     },
129
130     register_groupby: function() {
131         var self = this,
132             query = this.search_view.query;
133
134         this.groupby_mode = 'manual';
135         if (_.isEqual(this.search_view_groupby, this.graph_widget.pivot.rows.groupby) ||
136             (!_.has(this.search_view, '_s_groupby'))) {
137             return;
138         }
139         var rows = _.map(this.graph_widget.pivot.rows.groupby, function (group) {
140             return make_facet('GroupBy', group);
141         });
142         var cols = _.map(this.graph_widget.pivot.cols.groupby, function (group) {
143             return make_facet('ColGroupBy', group);
144         });
145
146         query.reset(rows.concat(cols));
147
148         function make_facet (category, fields) {
149             var values,
150                 icon,
151                 backbone_field,
152                 cat_name;
153             if (!(fields instanceof Array)) { fields = [fields]; }
154             if (category === 'GroupBy') {
155                 cat_name = 'group_by';
156                 icon = 'w';
157                 backbone_field = self.search_view._s_groupby;
158             } else {
159                 cat_name = 'col_group_by';
160                 icon = 'f';
161                 backbone_field = self.search_field;
162             }
163             values =  _.map(fields, function (field) {
164                 var context = {};
165                 context[cat_name] = field;
166                 return {label: self.graph_widget.fields[field].string, value: {attrs:{domain: [], context: context}}};
167             });
168             return {category:category, values: values, icon:icon, field: backbone_field};
169         }
170     },
171 });
172
173 instance.web_graph.Graph = instance.web.Widget.extend({
174     template: 'GraphWidget',
175
176     events: {
177         'click .graph_mode_selection li' : 'mode_selection',
178         'click .graph_measure_selection li' : 'measure_selection',
179         'click .graph_options_selection li' : 'option_selection',
180         'click .web_graph_click' : 'header_cell_clicked',
181         'click a.field-selection' : 'field_selection',
182     },
183
184     init: function(parent, model, options) {
185         this._super(parent);
186         this.model = model;
187         this.important_fields = [];
188         this.measure_list = [];
189         this.fields = [];
190         this.pivot = new openerp.web_graph.PivotTable(model, []);
191         this.mode = 'pivot';
192         if (_.has(options, 'mode')) { this.mode = mode; }
193         this.enabled = true;
194         if (_.has(options, 'enabled')) { this.enabled = options.enabled; }
195         this.visible_ui = true;
196         this.bar_ui = 'group'; // group or stack
197         this.config(options || {});
198     },
199
200     // hide ui/show, stacked/grouped
201     config: function (options) {
202         if (_.has(options, 'visible_ui')) {
203             this.visible_ui = options.visible_ui;
204         }
205         if (_.has(options, 'bar_ui')) {
206             this.bar_ui = options.bar_ui;
207         }
208         this.pivot.config(options);
209     },
210
211     start: function() {
212         var self = this;
213         this.table = $('<table></table>');
214         this.$('.graph_main_content').append(this.table);
215         // get the most important fields (of the model) by looking at the
216         // groupby filters defined in the search view
217         var options = {model:this.model, view_type: 'search'},
218             deferred1 = instance.web.fields_view_get(options).then(function (search_view) {
219                 var groups = _.select(search_view.arch.children, function (c) {
220                     return (c.tag == 'group') && (c.attrs.string != 'Display');
221                 });
222                 _.each(groups, function(g) {
223                     _.each(g.children, function (g) {
224                         if (g.attrs.context) {
225                             var field_id = py.eval(g.attrs.context).group_by;
226                             self.important_fields.push(field_id);
227                         }
228                     });
229                 });
230             });
231
232         // get the fields descriptions and measure list from the model
233         var deferred2 = this.model.call('fields_get', []).then(function (fs) {
234             self.fields = fs;
235             var temp = _.map(fs, function (field, name) {
236                 return {name:name, type: field.type};
237             });
238             temp = _.filter(temp, function (field) {
239                 return (((field.type === 'integer') || (field.type === 'float')) && (field.name !== 'id'));
240             });
241             self.measure_list = _.map(temp, function (field) {
242                 return field.name;
243             });
244
245             var measure_selection = self.$('.graph_measure_selection');
246             _.each(self.measure_list, function (measure) {
247                 var choice = $('<a></a>').attr('data-choice', measure)
248                                          .attr('href', '#')
249                                          .append(self.fields[measure].string);
250                 measure_selection.append($('<li></li>').append(choice));
251             });
252         });
253
254         return $.when(deferred1, deferred2).then(function () {
255             if (this.enabled) {
256                 this.activate_display();
257             }
258         });
259     },
260
261     activate_display: function () {
262         this.pivot.on('redraw_required', this, this.proxy('display_data'));
263         this.pivot.update_data();
264         this.enabled = true;
265         instance.web.bus.on('click', this, function () {
266             if (this.dropdown) {
267                 this.dropdown.remove();
268                 this.dropdown = null;
269             }
270         });
271     },
272
273     display_data: function () {
274         this.$('.graph_main_content svg').remove();
275         this.$('.graph_main_content div').remove();
276         this.table.empty();
277
278         if (this.visible_ui) {
279             this.$('.graph_header').css('display', 'block');
280         } else {
281             this.$('.graph_header').css('display', 'none');
282         }
283         if (this.pivot.no_data) {
284             this.$('.graph_main_content').append($(QWeb.render('graph_no_data')));
285             // var msg = 'No data available. Try to remove any filter or add some data.';
286             // this.table.append($('<tr><td>' + msg + '</td></tr>'));
287         } else {
288             var table_modes = ['pivot', 'heatmap', 'row_heatmap', 'col_heatmap'];
289             if (_.contains(table_modes, this.mode)) {
290                 this.draw_table();
291             } else {
292                 this.$('.graph_main_content').append($('<div><svg></svg></div>'));
293                 this.svg = this.$('.graph_main_content svg')[0];
294                 this.width = this.$el.width();
295                 this.height = Math.min(Math.max(document.documentElement.clientHeight - 116 - 60, 250), Math.round(0.8*this.$el.width()));
296                 this[this.mode]();
297             }
298         }
299     },
300
301     mode_selection: function (event) {
302         event.preventDefault();
303         var mode = event.target.attributes['data-mode'].nodeValue;
304         this.mode = mode;
305         this.display_data();
306     },
307
308     measure_selection: function (event) {
309         event.preventDefault();
310         var measure = event.target.attributes['data-choice'].nodeValue;
311         var actual_measure = (measure === '__count') ? null : measure;
312         this.pivot.config({measure:actual_measure});
313     },
314
315     option_selection: function (event) {
316         event.preventDefault();
317         switch (event.target.attributes['data-choice'].nodeValue) {
318             case 'swap_axis':
319                 this.pivot.swap_axis();
320                 break;
321             case 'expand_all':
322                 this.pivot.rows.headers = null;
323                 this.pivot.cols.headers = null;
324                 this.pivot.update_data();
325                 break;
326             case 'update_values':
327                 this.pivot.update_data();
328                 break;
329             case 'export_data':
330                 // Export code...  To do...
331                 break;
332         }
333     },
334
335     header_cell_clicked: function (event) {
336         event.preventDefault();
337         event.stopPropagation();
338         var id = event.target.attributes['data-id'].nodeValue,
339             header = this.pivot.get_header(id),
340             self = this;
341
342         if (header.is_expanded) {
343             this.pivot.fold(header);
344         } else {
345             if (header.path.length < header.root.groupby.length) {
346                 var field = header.root.groupby[header.path.length];
347                 this.pivot.expand(id, field);
348             } else {
349                 if (!this.important_fields.length) {
350                     return;
351                 }
352                 var fields = _.map(this.important_fields, function (field) {
353                         return {id: field, value: self.fields[field].string};
354                 });
355                 this.dropdown = $(QWeb.render('field_selection', {fields:fields, header_id:id}));
356                 $(event.target).after(this.dropdown);
357                 this.dropdown.css({position:'absolute',
358                                    left:event.pageX,
359                                    top:event.pageY});
360                 this.$('.field-selection').next('.dropdown-menu').toggle();
361             }
362         }
363     },
364
365     field_selection: function (event) {
366         var id = event.target.attributes['data-id'].nodeValue,
367             field_id = event.target.attributes['data-field-id'].nodeValue;
368         event.preventDefault();
369         this.pivot.expand(id, field_id);
370     },
371
372 /******************************************************************************
373  * Drawing pivot table methods...
374  ******************************************************************************/
375     draw_table: function () {
376         this.pivot.rows.main.title = 'Total';
377         this.pivot.cols.main.title = this.measure_label();
378         this.draw_top_headers();
379         _.each(this.pivot.rows.headers, this.proxy('draw_row'));
380     },
381
382     measure_label: function () {
383         return (this.pivot.measure) ? this.fields[this.pivot.measure].string : 'Quantity';
384     },
385
386     make_border_cell: function (colspan, rowspan) {
387         return $('<td></td>').addClass('graph_border')
388                              .attr('colspan', colspan)
389                              .attr('rowspan', rowspan);
390     },
391
392     make_header_title: function (header) {
393         return $('<span> </span>')
394             .addClass('web_graph_click')
395             .attr('href', '#')
396             .addClass((header.is_expanded) ? 'fa fa-minus-square' : 'fa fa-plus-square')
397             .append((header.title !== undefined) ? header.title : 'Undefined');
398     },
399
400     draw_top_headers: function () {
401         var self = this,
402             pivot = this.pivot,
403             height = _.max(_.map(pivot.cols.headers, function(g) {return g.path.length;})),
404             header_cells = [[this.make_border_cell(1, height)]];
405
406         function set_dim (cols) {
407             _.each(cols.children, set_dim);
408             if (cols.children.length === 0) {
409                 cols.height = height - cols.path.length + 1;
410                 cols.width = 1;
411             } else {
412                 cols.height = 1;
413                 cols.width = _.reduce(cols.children, function (sum,c) { return sum + c.width;}, 0);
414             }
415         }
416
417         function make_col_header (col) {
418             var cell = self.make_border_cell(col.width, col.height);
419             return cell.append(self.make_header_title(col).attr('data-id', col.id));
420         }
421
422         function make_cells (queue, level) {
423             var col = queue[0];
424             queue = _.rest(queue).concat(col.children);
425             if (col.path.length == level) {
426                 _.last(header_cells).push(make_col_header(col));
427             } else {
428                 level +=1;
429                 header_cells.push([make_col_header(col)]);
430             }
431             if (queue.length !== 0) {
432                 make_cells(queue, level);
433             }
434         }
435
436         set_dim(pivot.cols.main);  // add width and height info to columns headers
437         if (pivot.cols.main.children.length === 0) {
438             make_cells(pivot.cols.headers, 0);
439         } else {
440             make_cells(pivot.cols.main.children, 1);
441             header_cells[0].push(self.make_border_cell(1, height).append('Total').css('font-weight', 'bold'));
442         }
443
444         _.each(header_cells, function (cells) {
445             self.table.append($('<tr></tr>').append(cells));
446         });
447     },
448
449     get_measure_type: function () {
450         var measure = this.pivot.measure;
451         return (measure) ? this.fields[measure].type : 'integer';
452     },
453
454     draw_row: function (row) {
455         var self = this,
456             pivot = this.pivot,
457             measure_type = this.get_measure_type(),
458             html_row = $('<tr></tr>'),
459             row_header = this.make_border_cell(1,1)
460                 .append(this.make_header_title(row).attr('data-id', row.id))
461                 .addClass('graph_border');
462
463         for (var i in _.range(row.path.length)) {
464             row_header.prepend($('<span/>', {class:'web_graph_indent'}));
465         }
466
467         html_row.append(row_header);
468
469         _.each(pivot.cols.headers, function (col) {
470             if (col.children.length === 0) {
471                 var value = pivot.get_value(row.id, col.id),
472                     cell = make_cell(value, col);
473                 html_row.append(cell);
474             }
475         });
476
477         if (pivot.cols.main.children.length > 0) {
478             var cell = make_cell(pivot.get_total(row), pivot.cols.main)
479                             .css('font-weight', 'bold');
480             html_row.append(cell);
481         }
482
483         this.table.append(html_row);
484
485         function make_cell (value, col) {
486             var color,
487                 total,
488                 cell = $('<td></td>');
489             if ((self.mode === 'pivot') && (row.is_expanded) && (row.path.length <=2)) {
490                 color = row.path.length * 5 + 240;
491                 cell.css('background-color', $.Color(color, color, color));
492             }
493             if (value === undefined) {
494                 return cell;
495             }
496             cell.append(instance.web.format_value(value, {type: measure_type}));
497             if (self.mode === 'heatmap') {
498                 total = pivot.get_total();
499                 color = Math.floor(50 + 205*(total - value)/total);
500                 cell.css('background-color', $.Color(255, color, color));
501             }
502             if (self.mode === 'row_heatmap') {
503                 total = pivot.get_total(row);
504                 color = Math.floor(50 + 205*(total - value)/total);
505                 cell.css('background-color', $.Color(255, color, color));
506             }
507             if (self.mode === 'col_heatmap') {
508                 total = pivot.get_total(col);
509                 color = Math.floor(50 + 205*(total - value)/total);
510                 cell.css('background-color', $.Color(255, color, color));
511             }
512             return cell;
513         }
514     },
515
516 /******************************************************************************
517  * Drawing charts methods...
518  ******************************************************************************/
519     bar_chart: function () {
520         var self = this,
521             dim_x = this.pivot.rows.groupby.length,
522             dim_y = this.pivot.cols.groupby.length,
523             data;
524
525         // No groupby **************************************************************
526         if ((dim_x === 0) && (dim_y === 0)) {
527             data = [{key: 'Total', values:[{
528                 x: 'Total',
529                 y: this.pivot.get_value(this.pivot.rows.main.id, this.pivot.cols.main.id),
530             }]}];
531         // Only column groupbys ****************************************************
532         } else if ((dim_x === 0) && (dim_y >= 1)){
533             data =  _.map(this.pivot.get_columns_depth(1), function (header) {
534                 return {
535                     key: header.title,
536                     values: [{x:header.root.main.title, y: self.pivot.get_total(header)}]
537                 };
538             });
539         // Just 1 row groupby ******************************************************
540         } else if ((dim_x === 1) && (dim_y === 0))  {
541             data = _.map(this.pivot.rows.main.children, function (pt) {
542                 var value = self.pivot.get_value(pt.id, self.pivot.cols.main.id),
543                     title = (pt.title !== undefined) ? pt.title : 'Undefined';
544                 return {x: title, y: value};
545             });
546             data = [{key: this.measure_label(), values:data}];
547         // 1 row groupby and some col groupbys**************************************
548         } else if ((dim_x === 1) && (dim_y >= 1))  {
549             data = _.map(this.pivot.get_columns_depth(1), function (colhdr) {
550                 var values = _.map(self.pivot.get_rows_depth(1), function (header) {
551                     return {
552                         x: header.title || 'Undefined',
553                         y: self.pivot.get_value(header.id, colhdr.id, 0)
554                     };
555                 });
556                 return {key: colhdr.title || 'Undefined', values: values};
557             });
558         // At least two row groupby*************************************************
559         } else {
560             var keys = _.uniq(_.map(this.pivot.get_rows_depth(2), function (hdr) {
561                 return hdr.title || 'Undefined';
562             }));
563             data = _.map(keys, function (key) {
564                 var values = _.map(self.pivot.get_rows_depth(1), function (hdr) {
565                     var subhdr = _.find(hdr.children, function (child) {
566                         return ((child.title === key) || ((child.title === undefined) && (key === 'Undefined')));
567                     });
568                     return {
569                         x: hdr.title || 'Undefined',
570                         y: (subhdr) ? self.pivot.get_total(subhdr) : 0
571                     };
572                 });
573                 return {key:key, values: values};
574             });
575         }
576
577         nv.addGraph(function () {
578           var chart = nv.models.multiBarChart()
579                 .width(self.width)
580                 .height(self.height)
581                 .stacked(self.bar_ui === 'stack')
582                 .staggerLabels(true);
583
584             if (dim_x === 1 && dim_y === 0) { chart.showControls(false); }
585
586             d3.select(self.svg)
587                 .datum(data)
588                 .attr('width', self.width)
589                 .attr('height', self.height)
590                 .call(chart);
591
592             nv.utils.windowResize(chart.update);
593             return chart;
594         });
595
596     },
597
598     line_chart: function () {
599         var self = this,
600             dim_x = this.pivot.rows.groupby.length,
601             dim_y = this.pivot.cols.groupby.length;
602
603         var data = _.map(this.pivot.get_cols_leaves(), function (col) {
604             var values = _.map(self.pivot.get_rows_depth(dim_x), function (row) {
605                 return {x: row.title, y: self.pivot.get_value(row.id,col.id, 0)};
606             });
607             var title = _.map(col.path, function (p) {
608                 return p || 'Undefined';
609             }).join('/');
610             if (dim_y === 0) {
611                 title = self.measure_label();
612             }
613             return {values: values, key: title};
614         });
615
616         nv.addGraph(function () {
617             var chart = nv.models.lineChart()
618                 .x(function (d,u) { return u; })
619                 .width(self.width)
620                 .height(self.height)
621                 .margin({top: 30, right: 20, bottom: 20, left: 60});
622
623             d3.select(self.svg)
624                 .attr('width', self.width)
625                 .attr('height', self.height)
626                 .datum(data)
627                 .call(chart);
628
629             return chart;
630           });
631     },
632
633     pie_chart: function () {
634         var self = this,
635             dim_x = this.pivot.rows.groupby.length;
636
637         var data = _.map(this.pivot.get_rows_leaves(), function (row) {
638             var title = _.map(row.path, function (p) {
639                 return p || 'Undefined';
640             }).join('/');
641             if (dim_x === 0) {
642                 title = self.measure_label;
643             }
644             return {x: title, y: self.pivot.get_total(row)};
645         });
646
647         nv.addGraph(function () {
648             var chart = nv.models.pieChart()
649                 .color(d3.scale.category10().range())
650                 .width(self.width)
651                 .height(self.height);
652
653             d3.select(self.svg)
654                 .datum(data)
655                 .transition().duration(1200)
656                 .attr('width', self.width)
657                 .attr('height', self.height)
658                 .call(chart);
659
660             nv.utils.windowResize(chart.update);
661             return chart;
662         });
663     },
664
665 });
666
667 };
668
669
670
671
672
673
674
675