[client] Added filter and column sorting for the imageList.

5 files changed, 217 insertions, 16 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListComparator.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListComparator.java
new file mode 100644
index 00000000..8b8106de
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListComparator.java
@@ -0,0 +1,85 @@
+package org.openslx.dozmod.gui.helper;
+
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerComparator;
+import org.eclipse.swt.SWT;
+import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
+import org.openslx.bwlp.thrift.iface.OperatingSystem;
+import org.openslx.dozmod.thrift.MetaDataCache;
+
+public class ImageListComparator extends ViewerComparator{
+	private int propertyIndex;
+	private static final int DESCENDING = 1;
+	private int direction = DESCENDING;
+
+	public ImageListComparator() {
+		this.propertyIndex = 0;
+		direction = DESCENDING;
+	}
+
+	public int getDirection() {
+		return direction == 1 ? SWT.DOWN : SWT.UP;
+	}
+
+
+	public void setColumn(int column) {
+		if (column == this.propertyIndex) {
+			// Same column as last sort; toggle the direction
+			direction = 1 - direction;
+		} else {
+			// New column; do an ascending sort
+			this.propertyIndex = column;
+			direction = DESCENDING;
+		}
+	}
+
+
+	// for ordering the columns
+	@Override
+	public int compare(Viewer viewer, Object e1, Object e2) {
+		ImageSummaryRead i1 = (ImageSummaryRead) e1;
+		ImageSummaryRead i2 = (ImageSummaryRead) e2;
+
+		int rc = 0;
+		switch (propertyIndex) {
+		case 0:
+			rc = i1.getImageName().compareTo(i2.getImageName());
+			break;
+		case 1:
+			OperatingSystem os1 = MetaDataCache.getOsById(i1.getOsId());
+			OperatingSystem os2 = MetaDataCache.getOsById(i2.getOsId());
+			rc = os1.getOsName().compareTo(os2.getOsName());
+			break;
+		case 2:
+			rc = i1.getOwnerId().compareTo(i2.getOwnerId());
+			break;
+		case 3:
+			long time1 = i1.getUpdateTime();
+			long time2 = i2.getUpdateTime();
+			if ( time1 < time2) {
+				rc = -1;
+			} else if (time1 == time2){
+				rc = 0;
+			} else rc = 1;
+			break;
+		case 4:
+			long size1 = i1.getFileSize();
+			long size2 = i2.getFileSize();
+			if ( size1 < size2) {
+				rc = -1;
+			} else if (size1 == size2){
+				rc = 0;
+			} else rc = 1;
+			break;
+		default:
+			rc = 0;
+		}
+		// If descending order, flip the direction
+		if (direction == DESCENDING) {
+			rc = -rc;
+		}
+		return rc;
+	}
+
+
+}
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListFilter.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListFilter.java
new file mode 100644
index 00000000..7ccce840
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/ImageListFilter.java
@@ -0,0 +1,46 @@
+package org.openslx.dozmod.gui.helper;
+
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
+import org.openslx.bwlp.thrift.iface.OperatingSystem;
+import org.openslx.dozmod.thrift.MetaDataCache;
+
+
+/**
+ * Filter for the imageList
+ */
+public class ImageListFilter extends ViewerFilter {
+
+	private String searchString;
+
+	public void setSearchText(String s) {
+		// ensure that the value can be used for matching 
+		this.searchString = ".*" + s + ".*";
+	}
+
+	@Override
+	public boolean select(Viewer viewer, Object parentElement, Object element) {
+		if (searchString == null || searchString.length() == 0) {
+			return true;
+		}
+		ImageSummaryRead i = (ImageSummaryRead) element;
+		if (i.getImageName().matches(searchString)) {
+			return true;
+		}
+
+		// TODO fix when resolving owner id in table
+		if (i.getOwnerId().matches(searchString)) {
+			return true;
+		}
+
+		OperatingSystem os = MetaDataCache.getOsById(i.getOsId());
+		if (os.getOsName().matches(searchString)) {
+			return true;
+		}
+
+		return false;
+	}
+}
+
+
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableHelper.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableHelper.java
index 5a8ca579..94c6e5ea 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableHelper.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/helper/TableHelper.java
@@ -1,9 +1,14 @@
 package org.openslx.dozmod.gui.helper;
 
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import org.eclipse.jface.viewers.ColumnLabelProvider;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TableViewerColumn;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
 import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
 import org.openslx.bwlp.thrift.iface.OperatingSystem;
 import org.openslx.dozmod.thrift.MetaDataCache;
@@ -12,22 +17,41 @@ public final class TableHelper {
 	private TableHelper() {
 	}
 
-	private static void createColumn(TableViewer table, String colName, int width,
+	private static void createColumn(TableViewer table, String colName, int width, int colNumber,
 			ColumnLabelProvider provider) {
 		TableViewerColumn col = new TableViewerColumn(table, SWT.NONE);
 		col.getColumn().setWidth(width);
 		col.getColumn().setText(colName);
 		col.setLabelProvider(provider);
+		// for column sorting
+		col.getColumn().addSelectionListener(getSelectionAdapter(col, colNumber, table));
+	}
 
+	// selection listener for column sorting
+	private static SelectionListener getSelectionAdapter(final TableViewerColumn col,
+			final int colNumber, final TableViewer table) {
+		SelectionAdapter selectionAdapter = new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				ImageListComparator comparator = (ImageListComparator) table.getComparator();
+				comparator.setColumn(colNumber);
+				int dir = comparator.getDirection();
+				table.getTable().setSortDirection(dir);
+				table.getTable().setSortColumn(col.getColumn());
+				table.refresh();
+			}
+		};
+		return selectionAdapter;
 	}
 
 	/**
-	 * create the columns for the table in the VM mainwindow
+	 * Create the columns for the table in the VM main window.
+	 * Comparator has to be set beforehand.
 	 * 
 	 * @param table the tableViewer
 	 */
 	public static void createImageTableColumns(TableViewer table) {
-		createColumn(table, "Name", 150, new ColumnLabelProvider() {
+		createColumn(table, "Name", 150, 0, new ColumnLabelProvider() {
 			@Override
 			public String getText(Object element) {
 				ImageSummaryRead image = (ImageSummaryRead) element;
@@ -35,12 +59,11 @@ public final class TableHelper {
 			}
 		});
 
-		createColumn(table, "OS", 90, new ColumnLabelProvider() {
+		createColumn(table, "OS", 90, 1, new ColumnLabelProvider() {
 			@Override
 			public String getText(Object element) {
 				ImageSummaryRead image = (ImageSummaryRead) element;
 				OperatingSystem os = MetaDataCache.getOsById(image.getOsId());
-
 				if (os == null) {
 					return "Unknown";
 				} else {
@@ -49,7 +72,7 @@ public final class TableHelper {
 			}
 		});
 
-		createColumn(table, "Verantwortlicher", 130, new ColumnLabelProvider() {
+		createColumn(table, "Verantwortlicher", 130, 2, new ColumnLabelProvider() {
 			@Override
 			public String getText(Object element) {
 				ImageSummaryRead image = (ImageSummaryRead) element;
@@ -57,15 +80,18 @@ public final class TableHelper {
 			}
 		});
 
-		createColumn(table, "Letztes Update", 110, new ColumnLabelProvider() {
+		createColumn(table, "Letztes Update", 110, 3, new ColumnLabelProvider() {
 			@Override
 			public String getText(Object element) {
 				ImageSummaryRead image = (ImageSummaryRead) element;
-				return String.valueOf(image.getUpdateTime());
+				Date date = new Date(image.getUpdateTime() * 1000L);
+				SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
+
+				return String.valueOf(sdf.format(date));
 			}
 		});
 
-		createColumn(table, "Größe", 80, new ColumnLabelProvider() {
+		createColumn(table, "Größe", 80, 4, new ColumnLabelProvider() {
 			@Override
 			public String getText(Object element) {
 				ImageSummaryRead image = (ImageSummaryRead) element;
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageListWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageListWindow.java
index 9a8de0c4..db1855d5 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageListWindow.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageListWindow.java
@@ -4,27 +4,48 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.List;
 
-import org.apache.thrift.TException;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.wizard.WizardDialog;
+import org.eclipse.swt.events.KeyAdapter;
+import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.widgets.Shell;
 import org.openslx.bwlp.thrift.iface.ImagePermissions;
 import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
+import org.openslx.dozmod.gui.helper.ImageListComparator;
+import org.openslx.dozmod.gui.helper.ImageListFilter;
+import org.openslx.dozmod.gui.helper.TableHelper;
 import org.openslx.dozmod.gui.window.layout.ImageListWindowLayout;
 import org.openslx.dozmod.gui.wizard.ImageWizard;
 import org.openslx.dozmod.thrift.ImageCache;
-import org.openslx.dozmod.thrift.Session;
-import org.openslx.thrifthelper.ThriftManager;
 
 public class ImageListWindow extends ImageListWindowLayout {
 
 	public ImageListWindow(final Shell mainShell) {
 		super(mainShell);
 
+		// Comparator for column sorting
+		ImageListComparator comparator = new ImageListComparator();
+		tableViewer.setComparator(comparator);
+		// creating the columns with sorting functionality through comparator
+		TableHelper.createImageTableColumns(tableViewer);
+
+		// filter the objects in the table depending on the search field
+		searchTextField.addKeyListener(new KeyAdapter() {
+			public void keyReleased(KeyEvent ke) {
+				filter.setSearchText(searchTextField.getText());
+				tableViewer.refresh();
+			}
+
+		});
+
+		// apply object filtering
+		filter = new ImageListFilter();
+		tableViewer.addFilter(filter);
+
 		// the listeners to set the detailed info of the selected image
 		tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			@Override
@@ -61,7 +82,7 @@ public class ImageListWindow extends ImageListWindowLayout {
 					lastUpdateInfo.setText("Unknown");
 				} else {
 					Date date = new Date(unixTimestamp * 1000L);
-					SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+					SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
 					String formattedDate = sdf.format(date);
 					lastUpdateInfo.setText(formattedDate);
 				}
@@ -117,6 +138,7 @@ public class ImageListWindow extends ImageListWindowLayout {
 
 	private boolean refreshList() {
 		List<ImageSummaryRead> imageList = ImageCache.get(false);
+
 		tableViewer.setInput(imageList);
 		tableViewer.refresh();
 		return true;
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageListWindowLayout.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageListWindowLayout.java
index 9defdb34..bccbb509 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageListWindowLayout.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageListWindowLayout.java
@@ -16,7 +16,7 @@ import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.Text;
 import org.openslx.dozmod.gui.helper.CompositePage;
 import org.openslx.dozmod.gui.helper.Gui;
-import org.openslx.dozmod.gui.helper.TableHelper;
+import org.openslx.dozmod.gui.helper.ImageListFilter;
 
 public abstract class ImageListWindowLayout extends CompositePage {
 
@@ -27,12 +27,14 @@ public abstract class ImageListWindowLayout extends CompositePage {
 	protected String downloadButtonLabel = "Download";
 	protected String tableGroupLabel = "Images";
 	protected String vmInfoGroupLabel = "Detailinformationen";
+	protected String filterGroupLabel = "Filter";
 
 	// buttons
 	protected Button newButton;
 	protected Button deleteButton;
 	protected Button editButton;
 	protected Button downloadButton;
+	
 
 	// imageDetail texts
 	protected Text imageSelectedNameLabel;
@@ -42,8 +44,11 @@ public abstract class ImageListWindowLayout extends CompositePage {
 	protected Text permissionInfo;
 	protected Text ownerInfo;
 	protected Text templateInfo;
+	
+	protected final Text searchTextField;
 
 	protected final TableViewer tableViewer;
+	protected ImageListFilter filter;
 
 	protected String infoTextString = "Hier können Sie Virtuelle Maschinen hochladen, herunterladen, bearbeiten und löschen.";
 
@@ -74,6 +79,7 @@ public abstract class ImageListWindowLayout extends CompositePage {
 		infoText.setText(infoTextString);
 		// -- end group of title --
 
+		
 		// -- group for the table --
 		Group tableGroup = new Group(this, SWT.BORDER);
 		tableGroup.setText(tableGroupLabel);
@@ -82,7 +88,22 @@ public abstract class ImageListWindowLayout extends CompositePage {
 		tgLayoutData.widthHint = 800;
 		tableGroup.setLayoutData(tgLayoutData);
 		tableGroup.setLayout(new GridLayout());
-
+		
+		// -- group for the filter --
+		Group filterGroup = new Group(tableGroup, SWT.BORDER);
+		filterGroup.setText(filterGroupLabel);
+		GridData fgGridData = new GridData(SWT.FILL, SWT.TOP, true, false);
+		fgGridData.minimumWidth = 400;
+		fgGridData.widthHint = 800;
+		fgGridData.horizontalSpan = 2;
+		filterGroup.setLayoutData(fgGridData);
+		filterGroup.setLayout(new GridLayout());
+		
+		// filter text field
+		searchTextField = new Text(filterGroup, SWT.BORDER);
+		searchTextField.setMessage("Name, Verantwortlicher, OS");
+		// -- end group of filter --
+		
 		// table
 		Table vmTable = new Table(tableGroup, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
 		GridData tableGridData = new GridData(SWT.FILL, SWT.FILL, true, true);
@@ -93,7 +114,8 @@ public abstract class ImageListWindowLayout extends CompositePage {
 		// TableViewer on the table
 		tableViewer = new TableViewer(vmTable);
 		tableViewer.setContentProvider(ArrayContentProvider.getInstance());
-		TableHelper.createImageTableColumns(tableViewer);
+		
+		
 
 		// create, modify, download and delete buttons
 		Composite buttonComposite = new Composite(tableGroup, SWT.NONE);