primo commit

components/com_tabulizer/assets/js/slickgrid/plugins/slick.checkboxselectcolumn.js

@@ -0,0 +1,153 @@
+(function ($) {
+  // register namespace
+  $.extend(true, window, {
+    "Slick": {
+      "CheckboxSelectColumn": CheckboxSelectColumn
+    }
+  });
+
+
+  function CheckboxSelectColumn(options) {
+    var _grid;
+    var _self = this;
+    var _handler = new Slick.EventHandler();
+    var _selectedRowsLookup = {};
+    var _defaults = {
+      columnId: "_checkbox_selector",
+      cssClass: null,
+      toolTip: "Select/Deselect All",
+      width: 30
+    };
+
+    var _options = $.extend(true, {}, _defaults, options);
+
+    function init(grid) {
+      _grid = grid;
+      _handler
+        .subscribe(_grid.onSelectedRowsChanged, handleSelectedRowsChanged)
+        .subscribe(_grid.onClick, handleClick)
+        .subscribe(_grid.onHeaderClick, handleHeaderClick)
+        .subscribe(_grid.onKeyDown, handleKeyDown);
+    }
+
+    function destroy() {
+      _handler.unsubscribeAll();
+    }
+
+    function handleSelectedRowsChanged(e, args) {
+      var selectedRows = _grid.getSelectedRows();
+      var lookup = {}, row, i;
+      for (i = 0; i < selectedRows.length; i++) {
+        row = selectedRows[i];
+        lookup[row] = true;
+        if (lookup[row] !== _selectedRowsLookup[row]) {
+          _grid.invalidateRow(row);
+          delete _selectedRowsLookup[row];
+        }
+      }
+      for (i in _selectedRowsLookup) {
+        _grid.invalidateRow(i);
+      }
+      _selectedRowsLookup = lookup;
+      _grid.render();
+
+      if (selectedRows.length && selectedRows.length == _grid.getDataLength()) {
+        _grid.updateColumnHeader(_options.columnId, "<input type='checkbox' checked='checked'>", _options.toolTip);
+      } else {
+        _grid.updateColumnHeader(_options.columnId, "<input type='checkbox'>", _options.toolTip);
+      }
+    }
+
+    function handleKeyDown(e, args) {
+      if (e.which == 32) {
+        if (_grid.getColumns()[args.cell].id === _options.columnId) {
+          // if editing, try to commit
+          if (!_grid.getEditorLock().isActive() || _grid.getEditorLock().commitCurrentEdit()) {
+            toggleRowSelection(args.row);
+          }
+          e.preventDefault();
+          e.stopImmediatePropagation();
+        }
+      }
+    }
+
+    function handleClick(e, args) {
+      // clicking on a row select checkbox
+      if (_grid.getColumns()[args.cell].id === _options.columnId && $(e.target).is(":checkbox")) {
+        // if editing, try to commit
+        if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {
+          e.preventDefault();
+          e.stopImmediatePropagation();
+          return;
+        }
+
+        toggleRowSelection(args.row);
+        e.stopPropagation();
+        e.stopImmediatePropagation();
+      }
+    }
+
+    function toggleRowSelection(row) {
+      if (_selectedRowsLookup[row]) {
+        _grid.setSelectedRows($.grep(_grid.getSelectedRows(), function (n) {
+          return n != row
+        }));
+      } else {
+        _grid.setSelectedRows(_grid.getSelectedRows().concat(row));
+      }
+    }
+
+    function handleHeaderClick(e, args) {
+      if (args.column.id == _options.columnId && $(e.target).is(":checkbox")) {
+        // if editing, try to commit
+        if (_grid.getEditorLock().isActive() && !_grid.getEditorLock().commitCurrentEdit()) {
+          e.preventDefault();
+          e.stopImmediatePropagation();
+          return;
+        }
+
+        if ($(e.target).is(":checked")) {
+          var rows = [];
+          for (var i = 0; i < _grid.getDataLength(); i++) {
+            rows.push(i);
+          }
+          _grid.setSelectedRows(rows);
+        } else {
+          _grid.setSelectedRows([]);
+        }
+        e.stopPropagation();
+        e.stopImmediatePropagation();
+      }
+    }
+
+    function getColumnDefinition() {
+      return {
+        id: _options.columnId,
+        name: "<input type='checkbox'>",
+        toolTip: _options.toolTip,
+        field: "sel",
+        width: _options.width,
+        resizable: false,
+        sortable: false,
+        cssClass: _options.cssClass,
+        formatter: checkboxSelectionFormatter
+      };
+    }
+
+    function checkboxSelectionFormatter(row, cell, value, columnDef, dataContext) {
+      if (dataContext) {
+        return _selectedRowsLookup[row]
+            ? "<input type='checkbox' checked='checked'>"
+            : "<input type='checkbox'>";
+      }
+      return null;
+    }
+
+    $.extend(this, {
+      "init": init,
+      "destroy": destroy,
+
+      "getColumnDefinition": getColumnDefinition
+    });
+  }
+})(jQuery);