Move Eclipse components which are JCR specific.

[lgpl/argeo-commons.git] / org.argeo.cms.ui / src / org / argeo / eclipse / ui / jcr / lists / SimpleJcrNodeLabelProvider.java

diff --git a/org.argeo.cms.ui/src/org/argeo/eclipse/ui/jcr/lists/SimpleJcrNodeLabelProvider.java b/org.argeo.cms.ui/src/org/argeo/eclipse/ui/jcr/lists/SimpleJcrNodeLabelProvider.java
new file mode 100644 (file)
index 0000000..aa2e337
--- /dev/null
+++ b/org.argeo.cms.ui/src/org/argeo/eclipse/ui/jcr/lists/SimpleJcrNodeLabelProvider.java
@@ -0,0 +1,120 @@
+package org.argeo.eclipse.ui.jcr.lists;
+
+import java.text.DateFormat;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.text.SimpleDateFormat;
+
+import javax.jcr.Node;
+import javax.jcr.PropertyType;
+import javax.jcr.RepositoryException;
+import javax.jcr.Value;
+
+import org.argeo.eclipse.ui.EclipseUiException;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+
+/** Base implementation of a label provider for controls that display JCR Nodes */
+public class SimpleJcrNodeLabelProvider extends ColumnLabelProvider {
+       private static final long serialVersionUID = -5215787695436221993L;
+
+       private final static String DEFAULT_DATE_FORMAT = "EEE, dd MMM yyyy";
+       private final static String DEFAULT_NUMBER_FORMAT = "#,##0.0";
+
+       private DateFormat dateFormat;
+       private NumberFormat numberFormat;
+
+       final private String propertyName;
+
+       /**
+        * Default Label provider for a given property of a node. Using default
+        * pattern for date and number formating
+        */
+       public SimpleJcrNodeLabelProvider(String propertyName) {
+               this.propertyName = propertyName;
+               dateFormat = new SimpleDateFormat(DEFAULT_DATE_FORMAT);
+               numberFormat = DecimalFormat.getInstance();
+               ((DecimalFormat) numberFormat).applyPattern(DEFAULT_NUMBER_FORMAT);
+       }
+
+       /**
+        * Label provider for a given property of a node optionally precising date
+        * and/or number format patterns
+        */
+       public SimpleJcrNodeLabelProvider(String propertyName,
+                       String dateFormatPattern, String numberFormatPattern) {
+               this.propertyName = propertyName;
+               dateFormat = new SimpleDateFormat(
+                               dateFormatPattern == null ? DEFAULT_DATE_FORMAT
+                                               : dateFormatPattern);
+               numberFormat = DecimalFormat.getInstance();
+               ((DecimalFormat) numberFormat)
+                               .applyPattern(numberFormatPattern == null ? DEFAULT_NUMBER_FORMAT
+                                               : numberFormatPattern);
+       }
+
+       @Override
+       public String getText(Object element) {
+               try {
+                       Node currNode = (Node) element;
+
+                       if (currNode.hasProperty(propertyName)) {
+                               if (currNode.getProperty(propertyName).isMultiple()) {
+                                       StringBuilder builder = new StringBuilder();
+                                       for (Value value : currNode.getProperty(propertyName)
+                                                       .getValues()) {
+                                               String currStr = getSingleValueAsString(value);
+                                               if (notEmptyString(currStr))
+                                                       builder.append(currStr).append("; ");
+                                       }
+                                       if (builder.length() > 0)
+                                               builder.deleteCharAt(builder.length() - 2);
+
+                                       return builder.toString();
+                               } else
+                                       return getSingleValueAsString(currNode.getProperty(
+                                                       propertyName).getValue());
+                       } else
+                               return "";
+               } catch (RepositoryException re) {
+                       throw new EclipseUiException("Unable to get text from row", re);
+               }
+       }
+
+       private String getSingleValueAsString(Value value)
+                       throws RepositoryException {
+               switch (value.getType()) {
+               case PropertyType.STRING:
+                       return value.getString();
+               case PropertyType.BOOLEAN:
+                       return "" + value.getBoolean();
+               case PropertyType.DATE:
+                       return dateFormat.format(value.getDate().getTime());
+               case PropertyType.LONG:
+                       return "" + value.getLong();
+               case PropertyType.DECIMAL:
+                       return numberFormat.format(value.getDecimal());
+               case PropertyType.DOUBLE:
+                       return numberFormat.format(value.getDouble());
+               case PropertyType.NAME:
+                       return value.getString();
+               default:
+                       throw new EclipseUiException("Unimplemented label provider "
+                                       + "for property type " + value.getType()
+                                       + " while getting property " + propertyName + " - value: "
+                                       + value.getString());
+
+               }
+       }
+
+       private boolean notEmptyString(String string) {
+               return string != null && !"".equals(string.trim());
+       }
+
+       public void setDateFormat(String dateFormatPattern) {
+               dateFormat = new SimpleDateFormat(dateFormatPattern);
+       }
+
+       public void setNumberFormat(String numberFormatPattern) {
+               ((DecimalFormat) numberFormat).applyPattern(numberFormatPattern);
+       }
+}