X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/ui/JavaElementLabelProvider.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/ui/JavaElementLabelProvider.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.ui;
+
+import net.sourceforge.phpdt.internal.ui.viewsupport.JavaElementImageProvider;
+import net.sourceforge.phpdt.internal.ui.viewsupport.JavaElementLabels;
+import net.sourceforge.phpdt.internal.ui.viewsupport.StorageLabelProvider;
+
+import org.eclipse.core.resources.IStorage;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.swt.graphics.Image;
+
+
+
+/**
+ * Standard label provider for Java elements.
+ * Use this class when you want to present the Java elements in a viewer.
+ * <p>
+ * The implementation also handles non-Java elements by forwarding the requests to the
+ * <code>IWorkbenchAdapter</code> of the element.
+ * </p>
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ */
+public class JavaElementLabelProvider extends LabelProvider {
+	
+	/**
+	 * Flag (bit mask) indicating that methods labels include the method return type. (appended)
+	 */
+	public final static int SHOW_RETURN_TYPE=				0x001;
+	
+	/**
+	 * Flag (bit mask) indicating that method label include method parameter types.
+	 */
+	public final static int SHOW_PARAMETERS=				0x002;
+	
+	/**
+	 * Flag (bit mask) indicating that the label of a member should include the container.
+	 * For example, include the name of the type enclosing a field.
+	 * @deprecated Use SHOW_QUALIFIED or SHOW_ROOT instead
+	 */
+	public final static int SHOW_CONTAINER=				0x004;
+
+	/**
+	 * Flag (bit mask) indicating that the label of a type should be fully qualified.
+	 * For example, include the fully qualified name of the type enclosing a type.
+	 * @deprecated Use SHOW_QUALIFIED instead
+	 */
+	public final static int SHOW_CONTAINER_QUALIFICATION=	0x008;
+
+	/**
+	 * Flag (bit mask) indicating that the label should include overlay icons
+	 * for element type and modifiers.
+	 */
+	public final static int SHOW_OVERLAY_ICONS=			0x010;
+
+	/**
+	 * Flag (bit mask) indicating thata field label should include the declared type.
+	 */
+	public final static int SHOW_TYPE=					0x020;
+
+	/**
+	 * Flag (bit mask) indicating that the label should include the name of the
+	 * package fragment root (appended).
+	 */
+	public final static int SHOW_ROOT=					0x040;
+	
+	/**
+	 * Flag (bit mask) indicating that the label qualification of a type should
+	 * be shown after the name.
+	 * @deprecated SHOW_POST_QUALIFIED instead
+	 */
+	public final static int SHOW_POSTIFIX_QUALIFICATION=		0x080;
+
+	/**
+	 * Flag (bit mask) indicating that the label should show the icons with no space
+	 * reserved for overlays.
+	 */
+	public final static int SHOW_SMALL_ICONS= 			0x100;
+	
+	/**
+	 * Flag (bit mask) indicating that the packagefragment roots from variables should
+	 * be rendered with the variable in the name
+	 */
+	public final static int SHOW_VARIABLE= 			0x200;
+	
+	/**
+	 * Flag (bit mask) indicating that Complation Units, Class Files, Types, Declarations and Members
+	 * should be rendered qualified.
+	 * Examples: java.lang.String, java.util.Vector.size()
+	 * 
+	 * @since 2.0
+	 */
+	public final static int SHOW_QUALIFIED=				0x400;
+
+	/**
+	 * Flag (bit mask) indicating that Complation Units, Class Files, Types, Declarations and Members
+	 * should be rendered qualified. The qualifcation is appended
+	 * Examples: String - java.lang, size() - java.util.Vector
+	 * 
+	 * @since 2.0
+	 */
+	public final static int SHOW_POST_QUALIFIED=	0x800;	
+	
+	
+	/**
+	 * Constant (value <code>0</code>) indicating that the label should show 
+	 * the basic images only.
+	 */
+	public final static int SHOW_BASICS= 0x000;
+	
+	
+	/**
+	 * Constant indicating the default label rendering.
+	 * Currently the default is equivalent to
+	 * <code>SHOW_PARAMETERS | SHOW_OVERLAY_ICONS</code>.
+	 */
+	public final static int SHOW_DEFAULT= new Integer(SHOW_PARAMETERS | SHOW_OVERLAY_ICONS).intValue();
+
+	private JavaElementImageProvider fImageLabelProvider;
+	
+	private StorageLabelProvider fStorageLabelProvider;
+	private int fFlags;
+	private int fImageFlags;
+	private int fTextFlags;
+	
+	/**
+	 * Creates a new label provider with <code>SHOW_DEFAULT</code> flag.
+	 *
+	 * @see #SHOW_DEFAULT
+	 * @since 2.0
+	 */
+	public JavaElementLabelProvider() {
+		this(SHOW_DEFAULT);
+	}
+
+	/**
+	 * Creates a new label provider.
+	 *
+	 * @param flags the initial options; a bitwise OR of <code>SHOW_* </code> constants
+	 */
+	public JavaElementLabelProvider(int flags) {
+		fImageLabelProvider= new JavaElementImageProvider();
+		fStorageLabelProvider= new StorageLabelProvider();
+		fFlags= flags;
+		updateImageProviderFlags();
+		updateTextProviderFlags();		
+	}
+	
+	private boolean getFlag( int flag) {
+		return (fFlags & flag) != 0;
+	}
+	
+	/**
+	 * Turns on the rendering options specified in the given flags.
+	 *
+	 * @param flags the options; a bitwise OR of <code>SHOW_* </code> constants
+	 */
+	public void turnOn(int flags) {
+		fFlags |= flags;
+		updateImageProviderFlags();
+		updateTextProviderFlags();
+	}
+	
+	/**
+	 * Turns off the rendering options specified in the given flags.
+	 *
+	 * @param flags the initial options; a bitwise OR of <code>SHOW_* </code> constants
+	 */
+	public void turnOff(int flags) {
+		fFlags &= (~flags);
+		updateImageProviderFlags();
+		updateTextProviderFlags();
+	}
+	
+	private void updateImageProviderFlags() {
+		fImageFlags= 0;
+		if (getFlag(SHOW_OVERLAY_ICONS)) {
+			fImageFlags |= JavaElementImageProvider.OVERLAY_ICONS;
+		}
+		if (getFlag(SHOW_SMALL_ICONS)) {
+			fImageFlags |= JavaElementImageProvider.SMALL_ICONS;
+		}
+	}	
+	
+	private void updateTextProviderFlags() {
+		fTextFlags= 0;
+		if (getFlag(SHOW_RETURN_TYPE)) {
+			fTextFlags |= JavaElementLabels.M_APP_RETURNTYPE;
+		}
+		if (getFlag(SHOW_PARAMETERS)) {
+			fTextFlags |= JavaElementLabels.M_PARAMETER_TYPES;
+		}		
+		if (getFlag(SHOW_CONTAINER)) {
+			fTextFlags |= JavaElementLabels.P_POST_QUALIFIED | JavaElementLabels.T_POST_QUALIFIED | JavaElementLabels.CF_POST_QUALIFIED  | JavaElementLabels.CU_POST_QUALIFIED | JavaElementLabels.M_POST_QUALIFIED | JavaElementLabels.F_POST_QUALIFIED;
+		}
+		if (getFlag(SHOW_POSTIFIX_QUALIFICATION)) {
+			fTextFlags |= (JavaElementLabels.T_POST_QUALIFIED | JavaElementLabels.CF_POST_QUALIFIED  | JavaElementLabels.CU_POST_QUALIFIED);
+		} else if (getFlag(SHOW_CONTAINER_QUALIFICATION)) {
+			fTextFlags |=(JavaElementLabels.T_FULLY_QUALIFIED | JavaElementLabels.CF_QUALIFIED  | JavaElementLabels.CU_QUALIFIED);
+		}
+		if (getFlag(SHOW_TYPE)) {
+			fTextFlags |= JavaElementLabels.F_APP_TYPE_SIGNATURE;
+		}
+		if (getFlag(SHOW_ROOT)) {
+			fTextFlags |= JavaElementLabels.APPEND_ROOT_PATH;
+		}			
+		if (getFlag(SHOW_VARIABLE)) {
+			fTextFlags |= JavaElementLabels.ROOT_VARIABLE;
+		}
+		if (getFlag(SHOW_QUALIFIED)) {
+			fTextFlags |= (JavaElementLabels.F_FULLY_QUALIFIED | JavaElementLabels.M_FULLY_QUALIFIED | JavaElementLabels.I_FULLY_QUALIFIED 
+				| JavaElementLabels.T_FULLY_QUALIFIED | JavaElementLabels.D_QUALIFIED | JavaElementLabels.CF_QUALIFIED  | JavaElementLabels.CU_QUALIFIED);
+		}
+		if (getFlag(SHOW_POST_QUALIFIED)) {
+			fTextFlags |= (JavaElementLabels.F_POST_QUALIFIED | JavaElementLabels.M_POST_QUALIFIED | JavaElementLabels.I_POST_QUALIFIED 
+			| JavaElementLabels.T_POST_QUALIFIED | JavaElementLabels.D_POST_QUALIFIED | JavaElementLabels.CF_POST_QUALIFIED  | JavaElementLabels.CU_POST_QUALIFIED);
+		}		
+	}
+
+	/* (non-Javadoc)
+	 * @see ILabelProvider#getImage
+	 */
+	public Image getImage(Object element) {
+		Image result= fImageLabelProvider.getImageLabel(element, fImageFlags);
+		if (result != null) {
+			return result;
+		}
+
+		if (element instanceof IStorage) 
+			return fStorageLabelProvider.getImage(element);
+
+		return result;
+	}
+
+	/* (non-Javadoc)
+	 * @see ILabelProvider#getText
+	 */
+	public String getText(Object element) {
+		String text= JavaElementLabels.getTextLabel(element, fTextFlags);
+		if (text.length() > 0) {
+			return text;
+		}
+
+		if (element instanceof IStorage)
+			return fStorageLabelProvider.getText(element);
+
+		return text;
+	}
+
+	/* (non-Javadoc)
+	 * 
+	 * @see IBaseLabelProvider#dispose
+	 */
+	public void dispose() {
+		fStorageLabelProvider.dispose();
+		fImageLabelProvider.dispose();
+	}
+}