allow a different paging start than 0, since CS-W starts at 1

Author: Bart van den Eijnden

src/script/plugins/CSWCatalogueSource.js

@@ -54,6 +54,13 @@ gxp.plugins.CSWCatalogueSource = Ext.extend(gxp.plugins.CatalogueSource, {
         gxp.plugins.LayerSource.prototype.createStore.apply(this, arguments);
     },
 
+    /** api: method[getPagingStart]
+     *  :return: ``Integer`` Where does paging start at?
+     */
+    getPagingStart: function() {
+        return 1;
+    },
+
     /** api: method[getPagingParamNames]
      *  :return: ``Object`` with keys start and limit.
      *

src/script/plugins/CatalogueSource.js

@@ -94,6 +94,12 @@ gxp.plugins.CatalogueSource = Ext.extend(gxp.plugins.WMSSource, {
         gxp.plugins.CatalogueSource.superclass.destroy.apply(this, arguments);
     }
 
+    /** api: method[getPagingStart]
+     *  :return: ``Integer`` Where does paging start at?
+     *
+     *  To be implemented by subclasses
+     */
+
     /** api: method[getPagingParamNames]
      *  :return: ``Object`` with keys start and limit.
      *

src/script/plugins/GeoNodeCatalogueSource.js

@@ -90,6 +90,13 @@ gxp.plugins.GeoNodeCatalogueSource = Ext.extend(gxp.plugins.CatalogueSource, {
         gxp.plugins.LayerSource.prototype.createStore.apply(this, arguments);
     },
 
+    /** api: method[getPagingStart]
+     *  :return: ``Integer`` Where does paging start at?
+     */
+    getPagingStart: function() {
+        return 0;
+    },
+
     /** api: method[getPagingParamNames]
      *  :return: ``Object`` with keys start and limit.
      *

src/script/widgets/CatalogueSearchPanel.js

@@ -69,6 +69,7 @@ gxp.CatalogueSearchPanel = Ext.extend(Ext.Panel, {
      *  Initializes the catalogue search panel.
      */
     initComponent: function() {
+        var me = this;
         this.addEvents(
             /** api: event[addlayer]
              *  Fires when a layer needs to be added to the map.
@@ -258,6 +259,34 @@ gxp.CatalogueSearchPanel = Ext.extend(Ext.Panel, {
                 border: false,
                 ref: "../grid",
                 bbar: new Ext.PagingToolbar({
+                    listeners: {
+                        'beforechange': function(tb, params) {
+                            var delta = me.sources[me.selectedSource].getPagingStart();
+                            if (params.startPosition) {
+                                params.startPosition += delta;
+                            }
+                        }
+                    },
+                    /* override to support having a different value than 0 for the start */
+                    onLoad : function(store, r, o) {
+                        var delta = me.sources[me.selectedSource].getPagingStart();
+                        if(!this.rendered){
+                            this.dsLoaded = [store, r, o];
+                            return;
+                        }
+                        var p = this.getParams();
+                        this.cursor = (o.params && o.params[p.start]) ? o.params[p.start]-delta : 0;
+                        var d = this.getPageData(), ap = d.activePage, ps = d.pages;
+                        this.afterTextItem.setText(String.format(this.afterPageText, d.pages));
+                        this.inputItem.setValue(ap);
+                        this.first.setDisabled(ap == 1);
+                        this.prev.setDisabled(ap == 1);
+                        this.next.setDisabled(ap == ps);
+                        this.last.setDisabled(ap == ps);
+                        this.refresh.enable();
+                        this.updateInfo();
+                        this.fireEvent('change', this, d);
+                    },
                     paramNames: this.sources[this.selectedSource].getPagingParamNames(),
                     store: this.sources[this.selectedSource].store,
                     pageSize: this.maxRecords