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[IMP] optimizes pivot table so that it doesn't reload data when the groupbys have been changed in such a way that it should only fold some headers (addon web_graph) 

bzr revid: ged@openerp.com-20140120093254-mta9v6hjmsgfpr2n
This commit is contained in:
Gery Debongnie 2014-01-20 10:32:54 +01:00
parent ba9999c28a
commit f404bf8b40
1 changed files with 45 additions and 9 deletions
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54
addons/web_graph/static/src/js/pivot_table.js
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@ -87,12 +87,27 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
var row_gbs = this.create_field_values(row_groupby),
col_gbs = this.create_field_values(col_groupby),
dom_changed = !_.isEqual(this.domain, domain),
row_subset = is_strict_beginning_of(row_gbs, this.rows.groupby),
col_subset = is_strict_beginning_of(col_gbs, this.cols.groupby),
row_gb_changed = !this.equal_groupby(row_gbs, this.rows.groupby),
col_gb_changed = !this.equal_groupby(col_gbs, this.cols.groupby);
if (dom_changed) {
this.domain = domain;
}
if (row_subset && !dom_changed && !col_gb_changed) {
this.fold_with_depth(this.rows, row_gbs.length);
if (this.active) { this.trigger('redraw_required'); }
return;
}
if (col_subset && !dom_changed && !row_gb_changed) {
this.fold_with_depth(this.cols, col_gbs.length);
if (this.active) { this.trigger('redraw_required'); }
return;
}
if (row_gb_changed || col_gb_changed) {
this.cols.groupby = col_gbs;
this.rows.groupby = row_gbs;
@ -193,18 +208,20 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
});
},
_get_headers_with_depth: function (headers, depth) {
return _.filter(headers, function (header) {
return header.path.length === depth;
});
},
// return all columns with a path length of 'depth'
get_cols_with_depth: function (depth) {
return _.filter(this.cols.headers, function (header) {
return header.path.length === depth;
});
return this._get_headers_with_depth(this.cols.headers, depth);
},
// return all rows with a path length of 'depth'
get_rows_with_depth: function (depth) {
return _.filter(this.rows.headers, function (header) {
return header.path.length === depth;
});
return this._get_headers_with_depth(this.rows.headers), depth;
},
// return all non expanded rows
@ -250,7 +267,7 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
// ----------------------------------------------------------------------
// Table manipulation methods : fold/expand/swap
// ----------------------------------------------------------------------
fold: function (header) {
fold: function (header, silent) {
var ancestors = this.get_ancestors(header),
removed_ids = _.pluck(ancestors, 'id');
@ -265,11 +282,18 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
var new_groupby_length = _.max(_.map(header.root.headers, function(g) {return g.path.length;}));
if (new_groupby_length < header.root.groupby.length) {
header.root.groupby.splice(new_groupby_length);
this.trigger('groupby_changed');
if (!silent) { this.trigger('groupby_changed'); }
}
this.trigger('redraw_required');
if (!silent) { this.trigger('redraw_required'); }
},
fold_with_depth: function (root, depth) {
var self = this;
_.each(this._get_headers_with_depth(root.headers, depth), function (header) {
self.fold(header, true);
});
},
expand: function (header_id, groupby) {
var self = this,
header = this.get_header(header_id),
@ -568,6 +592,18 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
},
});
// Utility function: returns true if the beginning of array2 is array1 and
// if array1 is not array2
function is_strict_beginning_of (array1, array2) {
if (array1.length >= array2.length) { return false; }
var result = true;
for (var i = 0; i < array1.length; i++) {
if (!_.isEqual(array1[i], array2[i])) { return false;}
}
return result;
}
})();