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Issue #1928 - Removed SWT browser to prevent errors.

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Change-Id: Ifad38700dfc12ec3cade8dc62fa8c46fbf06ed80

Former-commit-id: 6a63ae3a79 [formerly 6d15b7795f] [formerly d8335ecd23 [formerly b69e08c40d305005b28c003b6165bcc8d4b41f10]]
Former-commit-id: d8335ecd23
Former-commit-id: 89f2a6666a
This commit is contained in:
Lee Venable 2013-07-09 17:06:26 -05:00
parent cd63b071db
commit 1da9605d7e
1 changed files with 112 additions and 50 deletions
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162
cave/com.raytheon.viz.hydro/src/com/raytheon/viz/hydro/gagedisplay/GageLegend.java
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@ -19,19 +19,26 @@
**/
package com.raytheon.viz.hydro.gagedisplay;
import org.eclipse.core.runtime.Status;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import com.raytheon.viz.core.CorePlugin;
import com.raytheon.viz.ui.dialogs.CaveSWTDialog;
/**
@ -41,17 +48,32 @@ import com.raytheon.viz.ui.dialogs.CaveSWTDialog;
* SOFTWARE HISTORY
* Date Ticket# Engineer Description
* ------------ ---------- ----------- --------------------------
* Jul 3, 2008 mpduff Initial creation
* Jul 3, 2008 mpduff Initial creation
* Apr 18,2013 1790 rferrel Minor code clean up.
* 09 Jul 2013 #1928 lvenable Replaced SWT browser with a canvas.
*
* </pre>
*
* @author mpduff
* @version 1.0
*/
public class GageLegend extends CaveSWTDialog {
/** Font for the canvas. */
private Font font;
/** Canvas to display the legend. */
private Canvas legendCanvas;
/** Canvas width. */
private final int CANVAS_WIDTH = 280;
/** Canvas height. */
private final int CANVAS_HEIGHT = 270;
/** Map of label text and colors. */
private Map<String, RGB> textColorMap = new LinkedHashMap<String, RGB>();
/**
* Protected constructor.
*
@ -60,7 +82,12 @@ public class GageLegend extends CaveSWTDialog {
*/
protected GageLegend(Shell parentShell) {
super(parentShell, SWT.DIALOG_TRIM, CAVE.DO_NOT_BLOCK);
setText("Gage Legend");
setText("Gage Color Legend");
}
@Override
protected void disposed() {
font.dispose();
}
/*
@ -72,29 +99,91 @@ public class GageLegend extends CaveSWTDialog {
*/
@Override
protected void initializeComponents(final Shell shell) {
// Setup font and create color map.
setReturnValue(false);
font = new Font(shell.getDisplay(), "Monospace", 16, SWT.BOLD);
createColorMap();
GridData gd = new GridData(150, 350);
GridLayout layout = new GridLayout(1, false);
Browser browser = null;
try {
browser = new Browser(shell, SWT.NONE);
} catch (SWTError e) {
CorePlugin
.getDefault()
.getLog()
.log(new Status(Status.ERROR, CorePlugin.PLUGIN_NAME,
"Could not instantiate Browser ", e));
return;
// Setup the canvas.
legendCanvas = new Canvas(shell, SWT.DOUBLE_BUFFERED);
GridData gd = new GridData(SWT.DEFAULT, SWT.TOP, false, true);
gd.heightHint = CANVAS_HEIGHT;
gd.widthHint = CANVAS_WIDTH;
legendCanvas.setSize(CANVAS_WIDTH, CANVAS_HEIGHT);
legendCanvas.setLayoutData(gd);
legendCanvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
drawCanvas(e.gc);
}
});
createCloseButton();
}
/**
* Draw the canvas.
*
* @param gc
* Graphic context.
*/
private void drawCanvas(GC gc) {
// Setup the GC
gc.setAntialias(SWT.ON);
gc.setLineWidth(2);
gc.setFont(font);
gc.setForeground(getDisplay().getSystemColor(SWT.COLOR_BLACK));
// Draw the background
gc.setBackground(getDisplay().getSystemColor(
SWT.COLOR_WIDGET_BACKGROUND));
gc.fillRectangle(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT);
// Setup the coordinates and color.
int yCoord = 10;
int xCoord = 10;
int width = CANVAS_WIDTH - (xCoord * 2);
int height = 50;
Color c;
// Loop over and draw the legend label and colors.
for (Entry<String, RGB> entry : textColorMap.entrySet()) {
c = new Color(getDisplay(), entry.getValue());
gc.setBackground(c);
gc.fillRectangle(xCoord, yCoord, width, height);
gc.drawRectangle(xCoord, yCoord, width, height);
gc.drawString(entry.getKey(), xCoord + 10, yCoord + 12, true);
yCoord += height;
c.dispose();
}
browser.setLayout(layout);
browser.setLayoutData(gd);
browser.setText(getHtml());
}
/**
* Create the color map with text and colors.
*/
private void createColorMap() {
textColorMap.put("Above Flood Stage", new RGB(255, 0, 0));
textColorMap.put("Above Action Stage", new RGB(255, 255, 0));
textColorMap.put("Below Action Stage", new RGB(0, 255, 0));
textColorMap.put("Missing Data", new RGB(192, 192, 192));
textColorMap.put("Missing Stage Data", new RGB(34, 139, 34));
}
/**
* Create the close button.
*/
private void createCloseButton() {
/* Close button */
GridLayout layout = new GridLayout(1, false);
Composite buttonComp = new Composite(shell, SWT.NONE);
buttonComp.setLayout(layout);
gd = new GridData(SWT.CENTER, SWT.DEFAULT, true, false);
GridData gd = new GridData(SWT.CENTER, SWT.DEFAULT, true, false);
buttonComp.setLayoutData(gd);
gd = new GridData(90, SWT.DEFAULT);
@ -108,31 +197,4 @@ public class GageLegend extends CaveSWTDialog {
}
});
}
/**
* Get the HTML that generates the legend.
*
* @return The HTML string
*/
private String getHtml() {
StringBuilder sb = new StringBuilder("<html><head>");
sb.append("<title>Gage Color Legend</title>");
sb.append("</head><body>");
sb.append("<table align=\"center\" width=\"90\" cellpadding=\"2\" cellspacing=\"0\" border=\"2\">");
sb.append("<tr>");
sb.append(" <th align=\"center\" bgcolor=\"#E2E3FE\">Gage Color Legend</td>");
sb.append("</tr><tr>");
sb.append(" <td align=\"center\" bgcolor=\"#FF0000\">Above Flood Stage</td>");
sb.append("</tr><tr>");
sb.append(" <td align=\"center\" bgcolor=\"#FFFF00\">Above Action Stage</td>");
sb.append("</tr><tr>");
sb.append(" <td align=\"center\" bgcolor=\"#00FF00\">Below Action Stage</td>");
sb.append("</tr><tr>");
sb.append(" <td align=\"center\" bgcolor=\"#C0C0C0\">Missing Data</td>");
sb.append("</tr><tr>");
sb.append(" <td align=\"center\" bgcolor=\"#228B22\">Missing Stage Data</td>");
sb.append("</tr></table></body></html>");
return sb.toString();
}
}