# HG changeset patch
# User Sebastian Kruse <skruse@mpiwg-berlin.mpg.de>
# Date 1358170646 -3600
# Node ID caca95f925ccac806de179ba2f65fa75c40aaef3
# Parent  02cdf454d94b42b0bc122f1aeed5981d87d327e2
Add switchable "views" to the CellTable (sets of Columns)

diff -r 02cdf454d94b -r caca95f925cc src/econnect/wp3_3/client/widgets/table/DynamicStiTable.java
--- a/src/econnect/wp3_3/client/widgets/table/DynamicStiTable.java	Fri Jan 11 13:05:40 2013 +0100
+++ b/src/econnect/wp3_3/client/widgets/table/DynamicStiTable.java	Mon Jan 14 14:37:26 2013 +0100
@@ -92,6 +92,31 @@
 	private CellTable<DataObject> elementsTable;
 	
 	/**
+     * This class is used for the Lists of Columns that
+     * represent the different "views" of the CellTable
+    */
+	class ColumnAndName {
+		public Column<DataObject,?> column;
+		public String name;
+		
+		public ColumnAndName(Column<DataObject,?> column, String name) {
+			this.column = column;
+			this.name = name;
+		}
+	}
+
+	/**
+     * "Views" of columns of the celltable
+    */	
+	private ArrayList<ArrayList<ColumnAndName>> columns;
+	
+	/**
+     * Thie index of the "View" that is currently visible
+     * (translates to an index of the columns ArrayList)
+    */	
+	private int currentlyVisibleView;
+	
+	/**
      * The dataobjects, which are presented at the actual page 
     */
 	//private DataObject[][] displayedObjects;
@@ -125,7 +150,7 @@
      * RPC Interface for writing the KML file
     */	
 	private ExportWriterInterfaceAsync exportWriter;
-
+	
 	/**
      * Constructor for initialization of the dynamic table
      * 
@@ -147,6 +172,19 @@
 		this.actualObjectSet = new ArrayList<DataObject>();
 		setActualObjectSet();
 		
+		this.columns = new ArrayList<ArrayList<ColumnAndName>>();
+		
+		//should be Name + Place
+		currentlyVisibleView = 0;
+		
+		Image switchTableLayout = new Image(constants.playEnabled());
+		switchTableLayout.addClickHandler(new ClickHandler() {
+			public void onClick(ClickEvent event) {
+				//switch the layout of the table
+				switchTableLayout();
+			}
+		});
+		
 		showAll =  new Image("images/viewAll"+(core.getColorId(index))+".png");
 		showAll.setTitle(textConstants.showAll());
 		showSelected =  new Image("images/viewSelected"+(core.getColorId(index))+".png");
@@ -188,10 +226,11 @@
 			}
 		});
 		
-		Grid showOptions = new Grid(1,3);
-		showOptions.setWidget(0,0,showAll);
-		showOptions.setWidget(0,1,showSelected);
-		showOptions.setWidget(0,2,storeSelected);
+		Grid showOptions = new Grid(1,4);
+		showOptions.setWidget(0,0,switchTableLayout);
+		showOptions.setWidget(0,1,showAll);
+		showOptions.setWidget(0,2,showSelected);
+		showOptions.setWidget(0,3,storeSelected);
 		
 		final TextBox textualSearch = new TextBox();
 		final Button search = new Button("go");
@@ -277,9 +316,10 @@
 		
 		this.elementsTable = new CellTable<DataObject>();
 		elementsTable.getElement().getStyle().setWidth(100, Unit.PCT);
-
 		dataProvider = new ListDataProvider<DataObject>();
 	    dataProvider.addDataDisplay(this.elementsTable);
+	    
+	    ArrayList<ColumnAndName> nameplaceColumnList = new ArrayList<ColumnAndName>();
 		
 	    TextColumn<DataObject> nameColumn = new TextColumn<DataObject>() {
 	        @Override
@@ -287,8 +327,8 @@
 	          return object.getName();
 	        }
 	    };
-	    nameColumn.setSortable(true);
-	    this.elementsTable.addColumn(nameColumn, "Name");
+	    nameColumn.setSortable(true);  
+	    nameplaceColumnList.add(new ColumnAndName(nameColumn, "Name"));
 
 	    TextColumn<DataObject> placeColumn = new TextColumn<DataObject>() {
 	        @Override
@@ -297,7 +337,11 @@
 	        }
 	    };
 	    placeColumn.setSortable(true);
-	    this.elementsTable.addColumn(placeColumn, "Place");
+	    nameplaceColumnList.add(new ColumnAndName(placeColumn, "Place"));
+	    
+	    columns.add(nameplaceColumnList);
+	    
+	    ArrayList<ColumnAndName> descriptionColumnList = new ArrayList<ColumnAndName>();
 	    
 	    SafeHtmlCell descriptionCell = new SafeHtmlCell();
 	    
@@ -310,7 +354,9 @@
 	        }
 	    };
 	    descriptionColumn.setSortable(true);
-	    this.elementsTable.addColumn(descriptionColumn, "Description");
+	    descriptionColumnList.add(new ColumnAndName(descriptionColumn, "Description"));
+	    
+	    columns.add(descriptionColumnList);
 	    
 	    SimplePager pager = new SimplePager();
 	    pager.setDisplay(this.elementsTable);
@@ -321,6 +367,8 @@
 	    //TODO: remove redundant code, make this more abstract
 	    ListHandler<DataObject> columnSortHandler = new ListHandler<econnect.wp3_3.client.core.DataObject>(dataProvider.getList());
 	    
+	    ArrayList<ColumnAndName> descriptionDataColumnList = new ArrayList<ColumnAndName>();
+	    
 	    JsArrayString descriptionDataColumns = this.dataSet.getDescriptionDataColumns();
 	    for (int i = 0; i < descriptionDataColumns.length(); i++) {
 	    	final String columnName = descriptionDataColumns.get(i);
@@ -351,9 +399,11 @@
 		    			}
 		    		});
 
-		    this.elementsTable.addColumn(column, columnName);
+		    descriptionDataColumnList.add(new ColumnAndName(column, columnName));
 		}
 	    
+	    columns.add(descriptionDataColumnList);
+	    
 	    columnSortHandler.setComparator(nameColumn,
 	    		new Comparator<econnect.wp3_3.client.core.DataObject>() {
 	    			public int compare(econnect.wp3_3.client.core.DataObject o1, econnect.wp3_3.client.core.DataObject o2) {
@@ -400,9 +450,9 @@
 	    	}
 	    });
 	    
-	    this.elementsTable.setColumnWidth(nameColumn, "33%");
-	    this.elementsTable.setColumnWidth(placeColumn, "33%");
-	    this.elementsTable.setColumnWidth(descriptionColumn, "33%");
+	    //this variable is set to 0 at the top
+	    //so it (should) show name + place column
+	    switchTableLayout(currentlyVisibleView);
 	    
 	    //This handler adds the hover-functionality to the table,
 	    //basically highlighting of rows (and in the map/timeplot)
@@ -651,6 +701,34 @@
 			this.elementsTable.getRowElement(i).getStyle().setBackgroundColor(cellColor);
 	    }
 	}
+	
+    /**
+     * Switches between the different "kinds" of table layouts
+     * This function will cycle through the available layouts
+    */
+	public void switchTableLayout() {
+		this.currentlyVisibleView++;
+		
+		if (this.currentlyVisibleView >= this.columns.size())
+			currentlyVisibleView = 0;
+		
+		switchTableLayout(this.currentlyVisibleView);
+	}
+
+    /**
+     * Switches to a certain "kind" of table layout
+     * @layputType hover if there was a hover selection which caused to trigger this function
+    */
+	public void switchTableLayout(int layputType) {
+		
+		while (this.elementsTable.getColumnCount() > 0 ) {
+			this.elementsTable.removeColumn(0);
+		}
+		
+		for ( ColumnAndName column : this.columns.get(layputType)) {
+			this.elementsTable.addColumn(column.column, column.name);
+		}
+	}
 
 	public String getTermIdentifier() {
 		return this.dataSet.getTermIdentifier();