first step for manual merging of the slickgrid branch

[myslice.git] / third-party / slickgrid-2.1 / plugins / slick.cellrangeselector.js

diff --git a/third-party/slickgrid-2.1/plugins/slick.cellrangeselector.js b/third-party/slickgrid-2.1/plugins/slick.cellrangeselector.js
new file mode 100644 (file)
index 0000000..520b17f
--- /dev/null
+++ b/third-party/slickgrid-2.1/plugins/slick.cellrangeselector.js
@@ -0,0 +1,113 @@
+(function ($) {
+  // register namespace
+  $.extend(true, window, {
+    "Slick": {
+      "CellRangeSelector": CellRangeSelector
+    }
+  });
+
+
+  function CellRangeSelector(options) {
+    var _grid;
+    var _canvas;
+    var _dragging;
+    var _decorator;
+    var _self = this;
+    var _handler = new Slick.EventHandler();
+    var _defaults = {
+      selectionCss: {
+        "border": "2px dashed blue"
+      }
+    };
+
+
+    function init(grid) {
+      options = $.extend(true, {}, _defaults, options);
+      _decorator = new Slick.CellRangeDecorator(grid, options);
+      _grid = grid;
+      _canvas = _grid.getCanvasNode();
+      _handler
+        .subscribe(_grid.onDragInit, handleDragInit)
+        .subscribe(_grid.onDragStart, handleDragStart)
+        .subscribe(_grid.onDrag, handleDrag)
+        .subscribe(_grid.onDragEnd, handleDragEnd);
+    }
+
+    function destroy() {
+      _handler.unsubscribeAll();
+    }
+
+    function handleDragInit(e, dd) {
+      // prevent the grid from cancelling drag'n'drop by default
+      e.stopImmediatePropagation();
+    }
+
+    function handleDragStart(e, dd) {
+      var cell = _grid.getCellFromEvent(e);
+      if (_self.onBeforeCellRangeSelected.notify(cell) !== false) {
+        if (_grid.canCellBeSelected(cell.row, cell.cell)) {
+          _dragging = true;
+          e.stopImmediatePropagation();
+        }
+      }
+      if (!_dragging) {
+        return;
+      }
+
+      _grid.focus();
+
+      var start = _grid.getCellFromPoint(
+          dd.startX - $(_canvas).offset().left,
+          dd.startY - $(_canvas).offset().top);
+
+      dd.range = {start: start, end: {}};
+
+      return _decorator.show(new Slick.Range(start.row, start.cell));
+    }
+
+    function handleDrag(e, dd) {
+      if (!_dragging) {
+        return;
+      }
+      e.stopImmediatePropagation();
+
+      var end = _grid.getCellFromPoint(
+          e.pageX - $(_canvas).offset().left,
+          e.pageY - $(_canvas).offset().top);
+
+      if (!_grid.canCellBeSelected(end.row, end.cell)) {
+        return;
+      }
+
+      dd.range.end = end;
+      _decorator.show(new Slick.Range(dd.range.start.row, dd.range.start.cell, end.row, end.cell));
+    }
+
+    function handleDragEnd(e, dd) {
+      if (!_dragging) {
+        return;
+      }
+
+      _dragging = false;
+      e.stopImmediatePropagation();
+
+      _decorator.hide();
+      _self.onCellRangeSelected.notify({
+        range: new Slick.Range(
+            dd.range.start.row,
+            dd.range.start.cell,
+            dd.range.end.row,
+            dd.range.end.cell
+        )
+      });
+    }
+
+    $.extend(this, {
+      "init": init,
+      "destroy": destroy,
+
+      "onBeforeCellRangeSelected": new Slick.Event(),
+      "onCellRangeSelected": new Slick.Event()
+    });
+  }
+})(jQuery);
\ No newline at end of file