X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fappletgui%2FTooltip.java;h=d629cf665b8ae2a8f31ef93694988b2a43bb7d11;hb=7047b076a62df177047ceb16c3611efe020bdd76;hp=61c99768446473b668a187c9c51c1414776b0d15;hpb=153dd62dc91da13ae732600e6ea55ddbe15eab39;p=jalview.git
diff --git a/src/jalview/appletgui/Tooltip.java b/src/jalview/appletgui/Tooltip.java
index 61c9976..d629cf6 100755
--- a/src/jalview/appletgui/Tooltip.java
+++ b/src/jalview/appletgui/Tooltip.java
@@ -1,232 +1,245 @@
-/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
- *
- * This file is part of Jalview.
- *
- * Jalview is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- *
- * Jalview is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see .
- */
-package jalview.appletgui;
-
-import java.applet.*;
-import java.util.*;
-
-import java.awt.*;
-import java.awt.event.*;
-
-public class Tooltip extends Canvas implements MouseListener,
- MouseMotionListener
-{
- private String[] tip;
-
- private String lastTip = "";
-
- private boolean setPosition = false;
-
- protected Component owner;
-
- private Container mainContainer;
-
- private LayoutManager mainLayout;
-
- private boolean shown;
-
- private final int VERTICAL_OFFSET = 20;
-
- private final int HORIZONTAL_ENLARGE = 10;
-
- int fontHeight = 0;
-
- Image linkImage;
-
- FontMetrics fm;
-
- public Tooltip(String tip, Component owner)
- {
- this.owner = owner;
- owner.addMouseListener(this);
- owner.addMouseMotionListener(this);
- setBackground(new Color(255, 255, 220));
- setTip(tip);
- java.net.URL url = getClass().getResource("/images/link.gif");
- if (url != null)
- {
- linkImage = java.awt.Toolkit.getDefaultToolkit().getImage(url);
- }
- }
-
- public void paint(Graphics g)
- {
- int w = getSize().width;
- int h = getSize().height;
-
- g.drawRect(0, 0, w - 1, h - 1);
- int lindex, x;
- for (int i = 0; i < tip.length; i++)
- {
- x = 3;
- lindex = tip[i].indexOf("%LINK%");
- if (lindex != -1)
- {
- if (lindex > 0)
- {
- g.drawString(tip[i].substring(0, lindex), 3, (i + 1) * fontHeight
- - 3);
- x += fm.stringWidth(tip[i].substring(0, lindex) + 3);
- }
- g.drawImage(linkImage, x, i * fontHeight + 1, this);
- if (lindex + 6 < tip[i].length())
- {
- g.drawString(tip[i].substring(lindex + 6), x
- + linkImage.getWidth(this), (i + 1) * fontHeight - 3);
- }
- }
- else
- {
- g.drawString(tip[i], 3, (i + 1) * fontHeight - 3);
- }
- }
- }
-
- synchronized void setTip(String tip)
- {
- if (tip == null)
- {
- setTip("");
- return;
- }
-
- if (lastTip.equals(tip))
- {
- return;
- }
-
- lastTip = tip;
- setPosition = true;
-
- fm = getFontMetrics(owner.getFont());
- fontHeight = fm.getHeight();
-
- int longestLine = 0;
- StringTokenizer st = new StringTokenizer(tip, "\n");
- this.tip = new String[st.countTokens()];
- int index = 0;
- while (st.hasMoreElements())
- {
- this.tip[index] = st.nextToken();
- if (fm.stringWidth(this.tip[index]) > longestLine)
- {
- longestLine = fm.stringWidth(this.tip[index]);
- }
- index++;
- }
-
- setSize(longestLine + HORIZONTAL_ENLARGE, fontHeight * this.tip.length);
-
- repaint();
-
- }
-
- void setTipLocation(MouseEvent evt)
- {
- if (mainContainer == null || owner == null)
- {
- return;
- }
- setLocation((owner.getLocationOnScreen().x - mainContainer
- .getLocationOnScreen().x)
- + evt.getX(), (owner.getLocationOnScreen().y
- - mainContainer.getLocationOnScreen().y + VERTICAL_OFFSET)
- + evt.getY());
-
- // correction, whole tool tip must be visible
- if (mainContainer.getSize().width < (getLocation().x + getSize().width))
- {
- setLocation(mainContainer.getSize().width - getSize().width,
- getLocation().y);
- }
- }
-
- private void removeToolTip()
- {
- if (shown)
- {
- mainContainer.remove(0);
- mainContainer.setLayout(mainLayout);
- mainContainer.validate();
- }
- shown = false;
- }
-
- private void findMainContainer()
- {
- Container parent = owner.getParent();
- while (true)
- {
- if ((parent instanceof Applet) || (parent instanceof Frame))
- {
- mainContainer = parent;
- break;
- }
- else
- {
- parent = parent.getParent();
- }
- }
- mainLayout = mainContainer.getLayout();
- }
-
- public void mouseEntered(MouseEvent me)
- {
- setTipLocation(me);
- }
-
- public void mouseExited(MouseEvent me)
- {
- removeToolTip();
- }
-
- public void mousePressed(MouseEvent me)
- {
- removeToolTip();
- }
-
- public void mouseReleased(MouseEvent me)
- {
- }
-
- public void mouseClicked(MouseEvent me)
- {
- }
-
- public void mouseMoved(MouseEvent me)
- {
- if (!shown)
- {
- findMainContainer();
- mainContainer.setLayout(null);
- mainContainer.add(this, 0);
- mainContainer.validate();
- shown = true;
- setTipLocation(me);
- }
- else if (setPosition)
- {
- setTipLocation(me);
- setPosition = false;
- }
- }
-
- public void mouseDragged(MouseEvent me)
- {
- }
-}
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see .
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.appletgui;
+
+import java.applet.Applet;
+import java.awt.Canvas;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.FontMetrics;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.LayoutManager;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.util.StringTokenizer;
+
+public class Tooltip extends Canvas
+ implements MouseListener, MouseMotionListener
+{
+ private String[] tip;
+
+ private String lastTip = "";
+
+ private boolean setPosition = false;
+
+ protected Component owner;
+
+ private Container mainContainer;
+
+ private LayoutManager mainLayout;
+
+ private boolean shown;
+
+ private final int VERTICAL_OFFSET = 20;
+
+ private final int HORIZONTAL_ENLARGE = 10;
+
+ int fontHeight = 0;
+
+ Image linkImage;
+
+ FontMetrics fm;
+
+ public Tooltip(String tip, Component owner)
+ {
+ this.owner = owner;
+ owner.addMouseListener(this);
+ owner.addMouseMotionListener(this);
+ setBackground(new Color(255, 255, 220));
+ setTip(tip);
+ java.net.URL url = getClass().getResource("/images/link.gif");
+ if (url != null)
+ {
+ linkImage = java.awt.Toolkit.getDefaultToolkit().getImage(url);
+ }
+ }
+
+ public void paint(Graphics g)
+ {
+ int w = getSize().width;
+ int h = getSize().height;
+
+ g.drawRect(0, 0, w - 1, h - 1);
+ int lindex, x;
+ for (int i = 0; i < tip.length; i++)
+ {
+ x = 3;
+ lindex = tip[i].indexOf("%LINK%");
+ if (lindex != -1)
+ {
+ if (lindex > 0)
+ {
+ g.drawString(tip[i].substring(0, lindex), 3,
+ (i + 1) * fontHeight - 3);
+ x += fm.stringWidth(tip[i].substring(0, lindex) + 3);
+ }
+ g.drawImage(linkImage, x, i * fontHeight + 1, this);
+ if (lindex + 6 < tip[i].length())
+ {
+ g.drawString(tip[i].substring(lindex + 6),
+ x + linkImage.getWidth(this), (i + 1) * fontHeight - 3);
+ }
+ }
+ else
+ {
+ g.drawString(tip[i], 3, (i + 1) * fontHeight - 3);
+ }
+ }
+ }
+
+ synchronized void setTip(String tip)
+ {
+ if (tip == null)
+ {
+ setTip("");
+ return;
+ }
+
+ if (lastTip.equals(tip))
+ {
+ return;
+ }
+
+ lastTip = tip;
+ setPosition = true;
+
+ fm = getFontMetrics(owner.getFont());
+ fontHeight = fm.getHeight();
+
+ int longestLine = 0;
+ StringTokenizer st = new StringTokenizer(tip, "\n");
+ this.tip = new String[st.countTokens()];
+ int index = 0;
+ while (st.hasMoreElements())
+ {
+ this.tip[index] = st.nextToken();
+ if (fm.stringWidth(this.tip[index]) > longestLine)
+ {
+ longestLine = fm.stringWidth(this.tip[index]);
+ }
+ index++;
+ }
+
+ setSize(longestLine + HORIZONTAL_ENLARGE, fontHeight * this.tip.length);
+
+ repaint();
+
+ }
+
+ void setTipLocation(MouseEvent evt)
+ {
+ if (mainContainer == null || owner == null)
+ {
+ return;
+ }
+ setLocation(
+ (owner.getLocationOnScreen().x
+ - mainContainer.getLocationOnScreen().x) + evt.getX(),
+ (owner.getLocationOnScreen().y
+ - mainContainer.getLocationOnScreen().y
+ + VERTICAL_OFFSET) + evt.getY());
+
+ // correction, whole tool tip must be visible
+ if (mainContainer.getSize().width < (getLocation().x + getSize().width))
+ {
+ setLocation(mainContainer.getSize().width - getSize().width,
+ getLocation().y);
+ }
+ }
+
+ private void removeToolTip()
+ {
+ if (shown)
+ {
+ mainContainer.remove(0);
+ mainContainer.setLayout(mainLayout);
+ mainContainer.validate();
+ }
+ shown = false;
+ }
+
+ private void findMainContainer()
+ {
+ Container parent = owner.getParent();
+ while (true)
+ {
+ if ((parent instanceof Applet) || (parent instanceof Frame))
+ {
+ mainContainer = parent;
+ break;
+ }
+ else
+ {
+ parent = parent.getParent();
+ }
+ }
+ mainLayout = mainContainer.getLayout();
+ }
+
+ public void mouseEntered(MouseEvent me)
+ {
+ setTipLocation(me);
+ }
+
+ public void mouseExited(MouseEvent me)
+ {
+ removeToolTip();
+ }
+
+ public void mousePressed(MouseEvent me)
+ {
+ removeToolTip();
+ }
+
+ public void mouseReleased(MouseEvent me)
+ {
+ }
+
+ public void mouseClicked(MouseEvent me)
+ {
+ }
+
+ public void mouseMoved(MouseEvent me)
+ {
+ if (!shown)
+ {
+ findMainContainer();
+ mainContainer.setLayout(null);
+ mainContainer.add(this, 0);
+ mainContainer.validate();
+ shown = true;
+ setTipLocation(me);
+ }
+ else if (setPosition)
+ {
+ setTipLocation(me);
+ setPosition = false;
+ }
+ }
+
+ public void mouseDragged(MouseEvent me)
+ {
+ }
+}