X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FTypeContextFilterArea.java;fp=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FTypeContextFilterArea.java;h=72ee0fffbbbefac02d4467b3c55275d8dbbd86a9;hp=0000000000000000000000000000000000000000;hb=ad09d0837dcd03c6925ca1154d70c930aa622c9c;hpb=aa5e7bb5d56b050cfbd2e4a5ab2cc4fdfe40850b

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TypeContextFilterArea.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TypeContextFilterArea.java
new file mode 100644
index 000000000..72ee0fffb
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TypeContextFilterArea.java
@@ -0,0 +1,114 @@
+package org.simantics.browsing.ui.swt;
+
+import java.io.IOException;
+
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.preferences.ScopedPreferenceStore;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.processors.FilterSelectionRequestQueryProcessor;
+import org.simantics.browsing.ui.swt.widgets.impl.Widget;
+import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Resource Type specific filters. 
+ * 
+ * Stores the filter string per type basis, and the loads the stored filter when object with the same type is encountered.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@semantum.fi>
+ *
+ */
+public class TypeContextFilterArea extends RootFilterArea implements Widget{
+	String preferencePrefix;
+	
+ 	String typeUri;
+
+ 	/**
+ 	 * Creates new Filter Area.
+ 	 * @param explorer
+ 	 * @param queryProcessor
+ 	 * @param support
+ 	 * @param parent
+ 	 * @param id unique id of the UI widget. The id is used to generate preference store keys to store filters.
+ 	 * @param style
+ 	 */
+	public TypeContextFilterArea(GraphExplorer explorer, FilterSelectionRequestQueryProcessor queryProcessor, WidgetSupport support,
+			Composite parent, String id, int style) {
+		super(explorer, queryProcessor, parent, style);
+		this.preferencePrefix = id +"_TypeFilter_";
+		support.register(this);
+		
+	}
+	
+	@Override
+	public void setInput(ISessionContext context, Object input) {
+		final Resource resource = org.simantics.utils.ui.AdaptionUtils.adaptToSingle(input, Resource.class);
+		if (resource == null)
+			return;
+		context.getSession().asyncRequest(new ReadRequest() {
+			
+			@Override
+			public void run(ReadGraph graph) throws DatabaseException {
+				setInput(graph, resource);
+			}
+		});
+	}
+	
+	public void setInput(ReadGraph graph, Resource resource) throws DatabaseException{
+		Resource type = getType(graph, resource);
+		final String typeUri = type == null ? null : graph.getPossibleURI(type);
+		if (typeUri != null) {
+			Display.getDefault().asyncExec(new Runnable() {
+				@Override
+				public void run() {
+					load(typeUri);
+				}
+			});
+		}
+	}
+
+	protected Resource getType(ReadGraph graph, Resource resource) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+		Resource type = graph.getPossibleType(resource, L0.Entity);
+		return type;
+	}
+	
+
+	@Override
+	protected synchronized void applyFilter(NodeContext context, String filter, boolean updateUI) {
+		super.applyFilter(context, filter,updateUI);
+		if (typeUri != null)
+			store(typeUri, filter);
+	}
+	
+	private synchronized void store(String typeUri, String filter) {
+		ScopedPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
+		if (filter != null && filter.length() > 0)
+			store.setValue(preferencePrefix+typeUri, filter);
+		else
+			store.setValue(preferencePrefix+typeUri,"");
+		try {
+			store.save();
+		} catch (IOException e) {
+			
+		}
+	}
+	
+	private synchronized void load(String typeUri) {
+		this.typeUri = typeUri;
+		ScopedPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);
+		String filter = store.getString(preferencePrefix+typeUri);
+		if (filter != null && filter.length() > 0) {
+			setFilter(filter);
+		}
+	}
+
+}