Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui / src / org / simantics / browsing / ui / content / CompositeLabelDecorator.java

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 (file)
index 0000000..a01ee7b
--- /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;\r
+\r
+import java.util.Collection;\r
+\r
+public class CompositeLabelDecorator implements LabelDecorator {\r
+\r
+    Collection<LabelDecorator> decorators;\r
+    \r
+    public static final LabelDecorator ID = new LabelDecorator() {\r
+\r
+        @Override\r
+        public String decorateLabel(String label, String column, int itemIndex) {\r
+            return label;\r
+        }\r
+\r
+        @Override\r
+        public <Color> Color decorateForeground(Color color, String column,\r
+                int itemIndex) {\r
+            return color;\r
+        }\r
+\r
+        @Override\r
+        public <Color> Color decorateBackground(Color color, String column,\r
+                int itemIndex) {\r
+            return color;\r
+        }\r
+\r
+        @Override\r
+        public <Font> Font decorateFont(Font font, String column, int itemIndex) {\r
+            return font;\r
+        }\r
+        \r
+    };\r
+    \r
+    private CompositeLabelDecorator(Collection<LabelDecorator> decorators) {\r
+        this.decorators = decorators;\r
+    }\r
+    \r
+    public static LabelDecorator create(Collection<LabelDecorator> decorators) {\r
+        if(decorators.isEmpty())\r
+            return ID;\r
+        else if(decorators.size() == 1)\r
+            return decorators.iterator().next();\r
+        else\r
+            return new CompositeLabelDecorator(decorators);\r
+    }\r
+\r
+    @Override\r
+    public String decorateLabel(String label, String column, int itemIndex) {\r
+        for(LabelDecorator decorator : decorators) {\r
+            String dlabel = decorator.decorateLabel(label, column, itemIndex);\r
+            if(dlabel != null)\r
+                label = dlabel;\r
+        }\r
+        return label;\r
+    }\r
+\r
+    @Override\r
+    public <Color> Color decorateForeground(Color color, String column,\r
+            int itemIndex) {\r
+        for(LabelDecorator decorator : decorators) {\r
+            Color dcolor = decorator.decorateForeground(color, column, itemIndex);\r
+            if (dcolor != null)\r
+                color = dcolor;\r
+        }\r
+        return color;\r
+    }\r
+\r
+    @Override\r
+    public <Color> Color decorateBackground(Color color, String column,\r
+            int itemIndex) {\r
+        for(LabelDecorator decorator : decorators) {\r
+            Color dcolor = decorator.decorateBackground(color, column, itemIndex);\r
+            if (dcolor != null)\r
+                color = dcolor;\r
+        }\r
+        return color;\r
+    }\r
+\r
+    @Override\r
+    public <Font> Font decorateFont(Font font, String column, int itemIndex) {\r
+        for(LabelDecorator decorator : decorators) {\r
+            Font dfont = decorator.decorateFont(font, column, itemIndex);\r
+            if (dfont != null)\r
+                font = dfont;\r
+        }\r
+        return font;\r
+    }\r
+\r
+}\r