org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/ITimeGraphPresentationProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.widgets.timegraph;
  14
  15 import java.util.Map;
  16
  17 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  18 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  19 import org.eclipse.swt.graphics.GC;
  20 import org.eclipse.swt.graphics.Image;
  21 import org.eclipse.swt.graphics.Rectangle;
  22
  23 /**
  24  * Interface for the time graph widget provider
  25  *
  26  * @version 1.0
  27  * @author Patrick Tasse
  28  */
  29 public interface ITimeGraphPresentationProvider {
  30
  31     /**
  32      * Returns the name of state types.
  33      *
  34      * @return the name of state types
  35      */
  36     public String getStateTypeName();
  37
  38    /**
  39     * Returns the name of state type depending on the given entry.
  40     * Note that this overwrites the name which is return by getStateTypeName().
  41     *
  42     * @param entry
  43     *           the entry
  44     * @return the name of state type depending on the given entry or null.
  45     * @since 2.0
  46     */
  47    public String getStateTypeName(ITimeGraphEntry entry);
  48
  49     /**
  50      * Returns table of states with state name to state color relationship.
  51      *
  52      * @return table of states with color and name
  53      *
  54      * @see #getStateTableIndex
  55      */
  56     public StateItem[] getStateTable();
  57
  58     /**
  59      * Returns the index in the state table corresponding to this time event.
  60      * The index should correspond to a state in the state table,
  61      * otherwise the color SWT.COLOR_BLACK will be used.
  62      * If the index returned is negative, the event will not be drawn.
  63      *
  64      * @param event the time event
  65      * @return the corresponding state table index
  66      *
  67      * @see #getStateTable
  68      */
  69     public int getStateTableIndex(ITimeEvent event);
  70
  71     /**
  72      * Called after drawing the control
  73      *
  74      * @param bounds
  75      *            The drawing rectangle
  76      * @param gc
  77      *            The graphics context
  78      */
  79     public void postDrawControl(Rectangle bounds, GC gc);
  80
  81     /**
  82      * Called after drawing an entry
  83      *
  84      * @param entry
  85      *            the entry that was drawn
  86      * @param bounds
  87      *            the drawing rectangle
  88      * @param gc
  89      *            the graphics context
  90      */
  91     public void postDrawEntry(ITimeGraphEntry entry, Rectangle bounds, GC gc);
  92
  93     /**
  94      * Called after drawing an event
  95      *
  96      * @param event
  97      *            the event that was drawn
  98      * @param bounds
  99      *            the drawing rectangle
 100      * @param gc
 101      *            the graphics context
 102      */
 103     public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc);
 104
 105     /**
 106      * Returns the height of this item. This value is ignored if the time graph has a fixed item height.
 107      *
 108      * @param entry the entry
 109      * @return the item height
 110      *
 111      * @see TimeGraphViewer#setItemHeight
 112      */
 113     public int getItemHeight(ITimeGraphEntry entry);
 114
 115     /**
 116      * Provides the image icon for a given entry.
 117      *
 118      * @param entry the entry
 119      * @return the image icon
 120      */
 121     public Image getItemImage(ITimeGraphEntry entry);
 122
 123     /**
 124      * Returns the name of this event.
 125      *
 126      * @param event
 127      *            The event
 128      * @return The event name
 129      */
 130     public String getEventName(ITimeEvent event);
 131
 132     /**
 133      * Returns a map of name and value providing additional information
 134      * to display in the tool tip for this event.
 135      *
 136      * @param event the time event
 137      * @return a map of tool tip information
 138      */
 139     public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event);
 140
 141 }