1 | /*! |
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2 | * Ext JS Library 3.0.0 |
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3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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4 | * licensing@extjs.com |
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5 | * http://www.extjs.com/license |
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6 | */ |
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7 | FeedPanel = function() { |
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8 | FeedPanel.superclass.constructor.call(this, { |
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9 | id:'feed-tree', |
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10 | region:'west', |
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11 | title:'Feeds', |
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12 | split:true, |
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13 | width: 225, |
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14 | minSize: 175, |
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15 | maxSize: 400, |
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16 | collapsible: true, |
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17 | margins:'0 0 5 5', |
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18 | cmargins:'0 5 5 5', |
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19 | rootVisible:false, |
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20 | lines:false, |
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21 | autoScroll:true, |
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22 | root: new Ext.tree.TreeNode('My Feeds'), |
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23 | collapseFirst:false, |
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24 | tbar: [{ |
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25 | iconCls:'add-feed', |
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26 | text:'Add Feed', |
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27 | handler: this.showWindow, |
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28 | scope: this |
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29 | },{ |
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30 | id:'delete', |
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31 | iconCls:'delete-icon', |
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32 | text:'Remove', |
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33 | handler: function(){ |
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34 | var s = this.getSelectionModel().getSelectedNode(); |
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35 | if(s){ |
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36 | this.removeFeed(s.attributes.url); |
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37 | } |
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38 | }, |
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39 | scope: this |
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40 | }] |
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41 | }); |
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42 | |
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43 | this.feeds = this.root.appendChild( |
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44 | new Ext.tree.TreeNode({ |
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45 | text:'My Feeds', |
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46 | cls:'feeds-node', |
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47 | expanded:true |
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48 | }) |
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49 | ); |
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50 | |
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51 | this.getSelectionModel().on({ |
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52 | 'beforeselect' : function(sm, node){ |
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53 | return node.isLeaf(); |
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54 | }, |
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55 | 'selectionchange' : function(sm, node){ |
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56 | if(node){ |
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57 | this.fireEvent('feedselect', node.attributes); |
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58 | } |
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59 | this.getTopToolbar().items.get('delete').setDisabled(!node); |
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60 | }, |
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61 | scope:this |
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62 | }); |
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63 | |
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64 | this.addEvents({feedselect:true}); |
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65 | |
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66 | this.on('contextmenu', this.onContextMenu, this); |
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67 | }; |
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68 | |
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69 | Ext.extend(FeedPanel, Ext.tree.TreePanel, { |
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70 | |
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71 | onContextMenu : function(node, e){ |
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72 | if(!this.menu){ // create context menu on first right click |
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73 | this.menu = new Ext.menu.Menu({ |
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74 | id:'feeds-ctx', |
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75 | items: [{ |
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76 | id:'load', |
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77 | iconCls:'load-icon', |
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78 | text:'Load Feed', |
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79 | scope: this, |
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80 | handler:function(){ |
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81 | this.ctxNode.select(); |
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82 | } |
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83 | },{ |
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84 | text:'Remove', |
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85 | iconCls:'delete-icon', |
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86 | scope: this, |
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87 | handler:function(){ |
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88 | this.ctxNode.ui.removeClass('x-node-ctx'); |
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89 | this.removeFeed(this.ctxNode.attributes.url); |
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90 | this.ctxNode = null; |
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91 | } |
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92 | },'-',{ |
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93 | iconCls:'add-feed', |
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94 | text:'Add Feed', |
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95 | handler: this.showWindow, |
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96 | scope: this |
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97 | }] |
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98 | }); |
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99 | this.menu.on('hide', this.onContextHide, this); |
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100 | } |
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101 | if(this.ctxNode){ |
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102 | this.ctxNode.ui.removeClass('x-node-ctx'); |
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103 | this.ctxNode = null; |
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104 | } |
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105 | if(node.isLeaf()){ |
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106 | this.ctxNode = node; |
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107 | this.ctxNode.ui.addClass('x-node-ctx'); |
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108 | this.menu.items.get('load').setDisabled(node.isSelected()); |
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109 | this.menu.showAt(e.getXY()); |
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110 | } |
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111 | }, |
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112 | |
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113 | onContextHide : function(){ |
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114 | if(this.ctxNode){ |
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115 | this.ctxNode.ui.removeClass('x-node-ctx'); |
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116 | this.ctxNode = null; |
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117 | } |
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118 | }, |
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119 | |
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120 | showWindow : function(btn){ |
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121 | if(!this.win){ |
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122 | this.win = new FeedWindow(); |
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123 | this.win.on('validfeed', this.addFeed, this); |
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124 | } |
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125 | this.win.show(btn); |
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126 | }, |
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127 | |
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128 | selectFeed: function(url){ |
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129 | this.getNodeById(url).select(); |
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130 | }, |
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131 | |
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132 | removeFeed: function(url){ |
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133 | var node = this.getNodeById(url); |
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134 | if(node){ |
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135 | node.unselect(); |
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136 | Ext.fly(node.ui.elNode).ghost('l', { |
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137 | callback: node.remove, scope: node, duration: .4 |
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138 | }); |
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139 | } |
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140 | }, |
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141 | |
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142 | addFeed : function(attrs, inactive, preventAnim){ |
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143 | var exists = this.getNodeById(attrs.url); |
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144 | if(exists){ |
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145 | if(!inactive){ |
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146 | exists.select(); |
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147 | exists.ui.highlight(); |
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148 | } |
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149 | return; |
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150 | } |
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151 | Ext.apply(attrs, { |
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152 | iconCls: 'feed-icon', |
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153 | leaf:true, |
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154 | cls:'feed', |
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155 | id: attrs.url |
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156 | }); |
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157 | var node = new Ext.tree.TreeNode(attrs); |
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158 | this.feeds.appendChild(node); |
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159 | if(!inactive){ |
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160 | if(!preventAnim){ |
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161 | Ext.fly(node.ui.elNode).slideIn('l', { |
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162 | callback: node.select, scope: node, duration: .4 |
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163 | }); |
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164 | }else{ |
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165 | node.select(); |
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166 | } |
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167 | } |
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168 | return node; |
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169 | }, |
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170 | |
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171 | // prevent the default context menu when you miss the node |
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172 | afterRender : function(){ |
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173 | FeedPanel.superclass.afterRender.call(this); |
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174 | this.el.on('contextmenu', function(e){ |
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175 | e.preventDefault(); |
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176 | }); |
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177 | } |
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178 | }); |
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179 | |
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180 | Ext.reg('appfeedpanel', FeedPanel); |
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