X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.views.swt.client%2Fsrc%2Forg%2Fsimantics%2Fviews%2Fswt%2Fclient%2Fimpl%2FSWTAlternative.java;fp=bundles%2Forg.simantics.views.swt.client%2Fsrc%2Forg%2Fsimantics%2Fviews%2Fswt%2Fclient%2Fimpl%2FSWTAlternative.java;h=1647b3bec02032073f54175e64b6e7e0099625e2;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTAlternative.java b/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTAlternative.java
new file mode 100644
index 000000000..1647b3bec
--- /dev/null
+++ b/bundles/org.simantics.views.swt.client/src/org/simantics/views/swt/client/impl/SWTAlternative.java
@@ -0,0 +1,78 @@
+package org.simantics.views.swt.client.impl;
+
+import java.util.Collection;
+import java.util.Iterator;
+
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.swt.widgets.Composite;
+import org.simantics.views.swt.client.base.ISWTViewNode;
+import org.simantics.views.swt.client.base.SWTParentNode;
+import org.simantics.views.swt.client.base.SingleSWTViewNode;
+
+public class SWTAlternative extends SingleSWTViewNode<Composite> {
+	
+	private static final long serialVersionUID = -3427445018396850285L;
+
+	private org.eclipse.swt.widgets.Composite parent;
+	
+	public Boolean condition = false;
+	
+	@Override
+	public void createControls(org.eclipse.swt.widgets.Composite parent) {
+		
+		this.parent = parent;
+		
+    	control = new Composite(parent, style);
+    	
+    	GridLayoutFactory.fillDefaults().applyTo(control);
+    	GridDataFactory.fillDefaults().grab(true, true).applyTo(control);
+    	
+    	Collection<ISWTViewNode> nodes = children.values();
+    	if(nodes.size() > 0) {
+    		Iterator<ISWTViewNode> it = nodes.iterator();
+	    	if(condition == null || !condition) {
+	    		if(nodes.size() > 1) {
+		    		it.next();
+		    		it.next().createControls(control);
+	    		}
+	    	} else {
+	    		it.next().createControls(control);
+	    	}
+    	}
+    	
+    	// TODO: can not use generic setProperties since if forms a loop through synchronizeCondition
+		synchronizeForeground(foreground);
+		synchronizeBackground(background);
+		synchronizeFont(font);
+		synchronizeLayoutData(layoutData);
+    	
+	}
+	
+	final private void reset(ISWTViewNode node) {
+
+		node.reset();
+		if(node instanceof SWTParentNode) {
+			SWTParentNode parentNode = (SWTParentNode)node;
+			for(ISWTViewNode child : parentNode.getChildComposites()) reset(child);
+		}
+		
+	}
+	
+	final public void synchronizeCondition(Boolean condition) {
+		
+		if(condition == null) return;
+		
+		Composite currentControl = control;
+		
+		reset(this);
+		
+		currentControl.dispose();
+		
+		createControls(parent);
+		
+		parent.layout(true);
+		
+	}
+	
+}