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[IMP] optimize the pivot table rendering when folding rows (addon web_graph) 

don't redraw the full table when folding rows.  instead, it removes from the dom the corresponding rows.  This should give a big speed boost when folding rows on big tables.

bzr revid: ged@openerp.com-20140508124002-yaa383rq4c0qhrf8
This commit is contained in:
Gery Debongnie 2014-05-08 14:40:02 +02:00
parent 1c87d5b6f4
commit 8f55e4519f
1 changed files with 25 additions and 3 deletions
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28
addons/web_graph/static/src/js/graph_widget.js
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@ -294,7 +294,11 @@ openerp.web_graph.Graph = openerp.web.Widget.extend({
self = this;
if (header.expanded) {
this.fold(header);
if (header.root === this.pivot.rows) {
this.fold_row(header, event);
} else {
this.fold_col(header);
}
return;
}
if (header.path.length < header.root.groupby.length) {
@ -353,9 +357,27 @@ openerp.web_graph.Graph = openerp.web.Widget.extend({
},
fold: function (header) {
var update_groupby = this.pivot.fold(header);
fold_row: function (header, event) {
var rows_before = this.pivot.rows.headers.length,
update_groupby = this.pivot.fold(header),
rows_after = this.pivot.rows.headers.length,
rows_removed = rows_before - rows_after;
if (rows_after === 1) {
// probably faster to redraw the unique row instead of removing everything
this.display_data();
} else {
var $row = $(event.target).parent().parent();
$row.nextAll().slice(0,rows_removed).remove();
}
if (update_groupby && this.graph_view) {
this.graph_view.register_groupby(this.pivot.rows.groupby, this.pivot.cols.groupby);
}
},
fold_col: function (header) {
var update_groupby = this.pivot.fold(header);
this.display_data();
if (update_groupby && this.graph_view) {
this.graph_view.register_groupby(this.pivot.rows.groupby, this.pivot.cols.groupby);