X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Feclipse%2Fui%2Fjcr%2Flists%2FSimpleJcrNodeLabelProvider.java;fp=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Feclipse%2Fui%2Fjcr%2Flists%2FSimpleJcrNodeLabelProvider.java;h=aa2e3375c404591f6f08eb4d149f37786b88fa5c;hb=d169026cb1939009fd90ac46a11f480cb3d803c0;hp=0000000000000000000000000000000000000000;hpb=a1e5c8447beec2b896b0a03e38a4c17608a4b85d;p=lgpl%2Fargeo-commons.git

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
index 000000000..aa2e3375c
--- /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);
+	}
+}