X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcontent%2FCompositeLabelDecorator.java;fp=bundles%2Forg.simantics.browsing.ui%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcontent%2FCompositeLabelDecorator.java;h=a01ee7bbdef91e8356a4d778dabdfd1bd5413552;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui/src/org/simantics/browsing/ui/content/CompositeLabelDecorator.java b/bundles/org.simantics.browsing.ui/src/org/simantics/browsing/ui/content/CompositeLabelDecorator.java
new file mode 100644
index 000000000..a01ee7bbd
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui/src/org/simantics/browsing/ui/content/CompositeLabelDecorator.java
@@ -0,0 +1,90 @@
+package org.simantics.browsing.ui.content;
+
+import java.util.Collection;
+
+public class CompositeLabelDecorator implements LabelDecorator {
+
+    Collection<LabelDecorator> decorators;
+    
+    public static final LabelDecorator ID = new LabelDecorator() {
+
+        @Override
+        public String decorateLabel(String label, String column, int itemIndex) {
+            return label;
+        }
+
+        @Override
+        public <Color> Color decorateForeground(Color color, String column,
+                int itemIndex) {
+            return color;
+        }
+
+        @Override
+        public <Color> Color decorateBackground(Color color, String column,
+                int itemIndex) {
+            return color;
+        }
+
+        @Override
+        public <Font> Font decorateFont(Font font, String column, int itemIndex) {
+            return font;
+        }
+        
+    };
+    
+    private CompositeLabelDecorator(Collection<LabelDecorator> decorators) {
+        this.decorators = decorators;
+    }
+    
+    public static LabelDecorator create(Collection<LabelDecorator> decorators) {
+        if(decorators.isEmpty())
+            return ID;
+        else if(decorators.size() == 1)
+            return decorators.iterator().next();
+        else
+            return new CompositeLabelDecorator(decorators);
+    }
+
+    @Override
+    public String decorateLabel(String label, String column, int itemIndex) {
+        for(LabelDecorator decorator : decorators) {
+            String dlabel = decorator.decorateLabel(label, column, itemIndex);
+            if(dlabel != null)
+                label = dlabel;
+        }
+        return label;
+    }
+
+    @Override
+    public <Color> Color decorateForeground(Color color, String column,
+            int itemIndex) {
+        for(LabelDecorator decorator : decorators) {
+            Color dcolor = decorator.decorateForeground(color, column, itemIndex);
+            if (dcolor != null)
+                color = dcolor;
+        }
+        return color;
+    }
+
+    @Override
+    public <Color> Color decorateBackground(Color color, String column,
+            int itemIndex) {
+        for(LabelDecorator decorator : decorators) {
+            Color dcolor = decorator.decorateBackground(color, column, itemIndex);
+            if (dcolor != null)
+                color = dcolor;
+        }
+        return color;
+    }
+
+    @Override
+    public <Font> Font decorateFont(Font font, String column, int itemIndex) {
+        for(LabelDecorator decorator : decorators) {
+            Font dfont = decorator.decorateFont(font, column, itemIndex);
+            if (dfont != null)
+                font = dfont;
+        }
+        return font;
+    }
+
+}