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[view/slickgrid][s]: refactor to move row reordering setup into separate function.

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* Plus we do not set up row reordering unless enableReOrderRow is set in options
This commit is contained in:
Rufus Pollock 2014-09-14 00:18:42 +01:00
parent e6c2d48400
commit 80bb0dd937
1 changed files with 63 additions and 61 deletions
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124
src/view.slickgrid.js
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@ -254,7 +254,6 @@ my.SlickGrid = Backbone.View.extend({
rows[i] = toRow(m);
models[i] = m;
};
}
var data = new RowSet();
@ -272,67 +271,9 @@ my.SlickGrid = Backbone.View.extend({
this.grid.setSortColumn(column, sortAsc);
}
/* Row reordering support based on
https://github.com/mleibman/SlickGrid/blob/gh-pages/examples/example9-row-reordering.html
*/
self.grid.setSelectionModel(new Slick.RowSelectionModel());
var moveRowsPlugin = new Slick.RowMoveManager({
cancelEditOnDrag: true
});
moveRowsPlugin.onBeforeMoveRows.subscribe(function (e, data) {
for (var i = 0; i < data.rows.length; i++) {
// no point in moving before or after itself
if (data.rows[i] == data.insertBefore || data.rows[i] == data.insertBefore - 1) {
e.stopPropagation();
return false;
}
}
return true;
});
moveRowsPlugin.onMoveRows.subscribe(function (e, args) {
var extractedRows = [], left, right;
var rows = args.rows;
var insertBefore = args.insertBefore;
var data = self.model.records.toJSON()
left = data.slice(0, insertBefore);
right= data.slice(insertBefore, data.length);
rows.sort(function(a,b) { return a-b; });
for (var i = 0; i < rows.length; i++) {
extractedRows.push(data[rows[i]]);
}
rows.reverse();
for (var i = 0; i < rows.length; i++) {
var row = rows[i];
if (row < insertBefore) {
left.splice(row, 1);
} else {
right.splice(row - insertBefore, 1);
}
}
data = left.concat(extractedRows.concat(right));
var selectedRows = [];
for (var i = 0; i < rows.length; i++)
selectedRows.push(left.length + i);
self.model.records.reset(data)
});
//register The plugin to handle row Reorder
if(this.state.get("gridOptions") && this.state.get("gridOptions").enableReOrderRow) {
self.grid.registerPlugin(moveRowsPlugin);
if (this.state.get("gridOptions") && this.state.get("gridOptions").enableReOrderRow) {
this._setupRowReordering();
}
/* end row reordering support*/
this._slickHandler.subscribe(this.grid.onSort, function(e, args){
var order = (args.sortAsc) ? 'asc':'desc';
@ -401,6 +342,67 @@ my.SlickGrid = Backbone.View.extend({
return this;
},
// Row reordering support based on
// https://github.com/mleibman/SlickGrid/blob/gh-pages/examples/example9-row-reordering.html
_setupRowReordering: function() {
var self = this;
self.grid.setSelectionModel(new Slick.RowSelectionModel());
var moveRowsPlugin = new Slick.RowMoveManager({
cancelEditOnDrag: true
});
moveRowsPlugin.onBeforeMoveRows.subscribe(function (e, data) {
for (var i = 0; i < data.rows.length; i++) {
// no point in moving before or after itself
if (data.rows[i] == data.insertBefore || data.rows[i] == data.insertBefore - 1) {
e.stopPropagation();
return false;
}
}
return true;
});
moveRowsPlugin.onMoveRows.subscribe(function (e, args) {
var extractedRows = [], left, right;
var rows = args.rows;
var insertBefore = args.insertBefore;
var data = self.model.records.toJSON()
left = data.slice(0, insertBefore);
right= data.slice(insertBefore, data.length);
rows.sort(function(a,b) { return a-b; });
for (var i = 0; i < rows.length; i++) {
extractedRows.push(data[rows[i]]);
}
rows.reverse();
for (var i = 0; i < rows.length; i++) {
var row = rows[i];
if (row < insertBefore) {
left.splice(row, 1);
} else {
right.splice(row - insertBefore, 1);
}
}
data = left.concat(extractedRows.concat(right));
var selectedRows = [];
for (var i = 0; i < rows.length; i++)
selectedRows.push(left.length + i);
self.model.records.reset(data)
});
//register The plugin to handle row Reorder
if(this.state.get("gridOptions") && this.state.get("gridOptions").enableReOrderRow) {
self.grid.registerPlugin(moveRowsPlugin);
}
},
remove: function () {
this._slickHandler.unsubscribeAll();
Backbone.View.prototype.remove.apply(this, arguments);