Posted By

arunpjohny on 10/18/08


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extjs


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Extjs Panel Drag and Drop


 / Published in: JavaScript
 

This example gives a idea about how to create a simple panel which can be dragged and dropped into another panel

  1. Ext.namespace('Ext.test');
  2.  
  3. Ext.test.Panel = function() {
  4.  
  5. this.left = new Ext.Panel({
  6. id : 'left',
  7. border : true,
  8. bodyStyle : 'padding: 5px',
  9. defaults : {
  10. style : 'margin-bottom: 5px',
  11. draggable : {
  12. insertProxy : false,
  13. onDrag : function(e) {
  14. var pel = this.proxy.getEl();
  15. this.x = pel.getLeft(true);
  16. this.y = pel.getTop(true);
  17.  
  18. var s = this.panel.getEl().shadow;
  19. if (s) {
  20. s.realign(this.x, this.y, pel.getWidth(), pel
  21. .getHeight());
  22. }
  23. },
  24. endDrag : function(e) {
  25. this.panel.setPosition(this.x, this.y);
  26. }
  27. }
  28. },
  29. items : [{
  30. id : 'panel1',
  31. html : 'Panel 1'
  32. }, {
  33. id : 'panel2',
  34. html : 'Panel 2'
  35. }, {
  36. id : 'panel3',
  37. html : 'Panel 3'
  38. }, {
  39. id : 'panel4',
  40. html : 'Panel 4'
  41. }, {
  42. id : 'panel5',
  43. html : 'Panel 5'
  44. }]
  45. });
  46.  
  47. this.right = new Ext.Panel({
  48. border : true,
  49. id : 'right',
  50. bodyStyle : 'padding: 5px',
  51. defaults : {
  52. bodyStyle : 'padding-left: 5px'
  53. }
  54. });
  55.  
  56. this.right.on('render', this.onRightRender, this);
  57.  
  58. Ext.test.Panel.superclass.constructor.call(this, {
  59. renderTo : 'pageContainer',
  60. bodyStyle : 'padding: 5px',
  61. height : 500,
  62. width : 760,
  63. title : 'Demo',
  64. layout : 'table',
  65. defaults : {
  66. height : 200,
  67. width : 200
  68. },
  69. items : [this.left, this.right]
  70. });
  71. };
  72.  
  73. Ext.extend(Ext.test.Panel, Ext.Panel, {
  74. onRightRender : function(cmp) {
  75. var sourcePanelDropTarget = new Ext.dd.DropTarget(cmp.body.dom,
  76. {
  77. notifyDrop : function(ddSource, e, data) {
  78. cmp.add(ddSource.panel);
  79. cmp.doLayout();
  80. return (true);
  81. }
  82. });
  83. }
  84. });
  85.  
  86. Ext.onReady(function() {
  87. Ext.QuickTips.init();
  88. var panel = new Ext.test.Panel();
  89. });

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Posted By: jvandemerwe on July 22, 2010

I am quite late with a comment, but I just wanna say thank you, for you really helped me open my eyes on how to implement drag and drop with panels.

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