',
- margins: '5 5 5 5'
- }, {
- title: 'Patients',
- region: 'west',
- width: 300,
- margins: '0 5 5 5',
- items: patientView
- }, hospitalGrid ]
- });
-});
-
-/*
- * Here is where we "activate" the DataView.
- * We have decided that each node with the class "patient-source" encapsulates a single draggable
- * object.
- *
- * So we inject code into the DragZone which, when passed a mousedown event, interrogates
- * the event to see if it was within an element with the class "patient-source". If so, we
- * return non-null drag data.
- *
- * Returning non-null drag data indicates that the mousedown event has begun a dragging process.
- * The data must contain a property called "ddel" which is a DOM element which provides an image
- * of the data being dragged. The actual node clicked on is not dragged, a proxy element is dragged.
- * We can insert any other data into the data object, and this will be used by a cooperating DropZone
- * to perform the drop operation.
- */
-function initializePatientDragZone(v) {
- v.dragZone = new Ext.dd.DragZone(v.getEl(), {
-
-// On receipt of a mousedown event, see if it is within a draggable element.
-// Return a drag data object if so. The data object can contain arbitrary application
-// data, but it should also contain a DOM element in the ddel property to provide
-// a proxy to drag.
- getDragData: function(e) {
- var sourceEl = e.getTarget(v.itemSelector, 10);
- if (sourceEl) {
- d = sourceEl.cloneNode(true);
- d.id = Ext.id();
- return v.dragData = {
- sourceEl: sourceEl,
- repairXY: Ext.fly(sourceEl).getXY(),
- ddel: d,
- patientData: v.getRecord(sourceEl).data
- }
- }
- },
-
-// Provide coordinates for the proxy to slide back to on failed drag.
-// This is the original XY coordinates of the draggable element.
- getRepairXY: function() {
- return this.dragData.repairXY;
- }
- });
-}
-
-/*
- * Here is where we "activate" the GridPanel.
- * We have decided that the element with class "hospital-target" is the element which can receieve
- * drop gestures. So we inject a method "getTargetFromEvent" into the DropZone. This is constantly called
- * while the mouse is moving over the DropZone, and it returns the target DOM element if it detects that
- * the mouse if over an element which can receieve drop gestures.
- *
- * Once the DropZone has been informed by getTargetFromEvent that it is over a target, it will then
- * call several "onNodeXXXX" methods at various points. These include:
- *
- * onNodeEnter
- * onNodeOut
- * onNodeOver
- * onNodeDrop
- *
- * We provide implementations of each of these to provide behaviour for these events.
- */
-function initializeHospitalDropZone(g) {
- g.dropZone = new Ext.dd.DropZone(g.getView().scroller, {
-
-// If the mouse is over a target node, return that node. This is
-// provided as the "target" parameter in all "onNodeXXXX" node event handling functions
- getTargetFromEvent: function(e) {
- return e.getTarget('.hospital-target');
- },
-
-// On entry into a target node, highlight that node.
- onNodeEnter : function(target, dd, e, data){
- Ext.fly(target).addClass('hospital-target-hover');
- },
-
-// On exit from a target node, unhighlight that node.
- onNodeOut : function(target, dd, e, data){
- Ext.fly(target).removeClass('hospital-target-hover');
- },
-
-// While over a target node, return the default drop allowed class which
-// places a "tick" icon into the drag proxy.
- onNodeOver : function(target, dd, e, data){
- return Ext.dd.DropZone.prototype.dropAllowed;
- },
-
-// On node drop, we can interrogate the target node to find the underlying
-// application object that is the real target of the dragged data.
-// In this case, it is a Record in the GridPanel's Store.
-// We can use the data set up by the DragZone's getDragData method to read
-// any data we decided to attach.
- onNodeDrop : function(target, dd, e, data){
- var rowIndex = g.getView().findRowIndex(target);
- var h = g.getStore().getAt(rowIndex);
- Ext.Msg.alert('Drop gesture', 'Dropped patient ' + data.patientData.name +
- ' on hospital ' + h.data.name);
- return true;
- }
- });
-}