/**
* Initialize the composite with pre-existing values.
*
* @param ruleWrapper the {@link RuleWrapper}.
*/
public void init(RuleWrapper ruleWrapper) {
PointSymbolizerWrapper pointSymbolizerWrapper =
ruleWrapper.getGeometrySymbolizersWrapper().adapt(PointSymbolizerWrapper.class);
mainComposite = new Composite(parent, SWT.RESIZE);
mainComposite.setLayout(new GridLayout(2, false));
mainComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Label fontLabel = new Label(mainComposite, SWT.NONE);
fontLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
fontLabel.setText("Font:"); // $NON-NLS-1$
fontCombo = new Combo(mainComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
fontCombo.setItems(getScalableFonts());
fontCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
String characterPath = pointSymbolizerWrapper.getMarkName();
if (characterPath != null && characterPath.matches("ttf://.+#.+")) { // $NON-NLS-1$
String[] fontElements = characterPath.substring(6).split("#"); // $NON-NLS-1$
int index = fontCombo.indexOf(fontElements[0]);
if (index != -1) {
fontCombo.select(index);
characterCode = fontElements[1].substring(2);
} else {
fontCombo.select(0);
characterCode = Integer.toHexString(PLUS_SIGN);
}
} else {
fontCombo.select(0);
characterCode = Integer.toHexString(PLUS_SIGN);
}
fontCombo.addSelectionListener(this);
fontName = fontCombo.getItem(fontCombo.getSelectionIndex());
table = new Table(mainComposite, SWT.VIRTUAL | SWT.BORDER | SWT.V_SCROLL | SWT.SIMPLE);
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.horizontalSpan = 2;
gridData.heightHint = 300;
table.setLayoutData(gridData);
table.setLinesVisible(true);
table.setRedraw(false);
Font font = new Font(Display.getCurrent(), fontName, FONT_SIZE, SWT.NORMAL);
table.setFont(font);
table.addListener(
SWT.SetData,
new Listener() {
java.awt.Font awtFont = (new java.awt.Font(fontName, java.awt.Font.PLAIN, FONT_SIZE));
@Override
public void handleEvent(Event event) {
final TableItem item = (TableItem) event.item;
final int index = table.indexOf(item);
final int ch = +FIRST_CHAR;
// set a loading message
item.setText(0, "..."); // $NON-NLS-1$
Job load =
new Job("Loading font icon") {
@Override
protected IStatus run(IProgressMonitor monitor) {
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
int character = ch + (index * COLUMNS);
for (int cel = 0; cel < COLUMNS; cel++) {
if (character < CHARACTERS) {
if (character > 0xFF && !awtFont.canDisplay(character)) {
item.setText(cel, ""); // $NON-NLS-1$
} else {
item.setText(cel, characterString[character]);
}
}
character++;
}
}
});
return Status.OK_STATUS;
}
};
load.schedule();
}
});
for (int i = 0; i < COLUMNS; i++) {
new TableColumn(table, SWT.NONE);
}
initializeCharacterStringArray();
table.setItemCount(CHARACTERS / COLUMNS);
table.getColumn(0).pack();
int width = table.getColumn(0).getWidth();
for (int i = 1; i < COLUMNS; i++) {
table.getColumn(i).setWidth(width);
}
// Set redraw back to true so that the table
// will paint appropriately
table.setRedraw(true);
//
tableCursor = new TableCursor(table, SWT.NONE);
tableCursor.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_LIGHT_SHADOW));
int index = Integer.parseInt(characterCode, 16);
int row = index / COLUMNS - 4;
int col = index % COLUMNS;
tableCursor.setSelection(row, col);
tableCursor.setFont(font);
tableCursor.addSelectionListener(this);
characterLabel = new Label(mainComposite, SWT.NONE);
characterLabel.setText(LABEL_PREFIX + characterCode + " "); // $NON-NLS-1$
}
/**
* Constructs a new instance of this class given its parent table and a style value describing its
* behavior and appearance.
*
* <p>The style value is either one of the style constants defined in class <code>SWT</code> which
* is applicable to instances of this class, or must be built by <em>bitwise OR</em>'ing together
* (that is, using the <code>int</code> "|" operator) two or more of those <code>SWT</code> style
* constants. The class description lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
* @param parent a Table control which will be the parent of the new instance (cannot be null)
* @param style the style of control to construct
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
* </ul>
*
* @see SWT#BORDER
* @see Widget#checkSubclass()
* @see Widget#getStyle()
*/
public TableCursor(Table parent, int style) {
super(parent, style);
table = parent;
setBackground(null);
setForeground(null);
listener =
event -> {
switch (event.type) {
case SWT.Dispose:
onDispose(event);
break;
case SWT.FocusIn:
case SWT.FocusOut:
redraw();
break;
case SWT.KeyDown:
keyDown(event);
break;
case SWT.Paint:
paint(event);
break;
case SWT.Traverse:
{
event.doit = true;
switch (event.detail) {
case SWT.TRAVERSE_ARROW_NEXT:
case SWT.TRAVERSE_ARROW_PREVIOUS:
case SWT.TRAVERSE_RETURN:
event.doit = false;
break;
}
break;
}
}
};
int[] events =
new int[] {SWT.Dispose, SWT.FocusIn, SWT.FocusOut, SWT.KeyDown, SWT.Paint, SWT.Traverse};
for (int i = 0; i < events.length; i++) {
addListener(events[i], listener);
}
tableListener =
event -> {
switch (event.type) {
case SWT.MouseDown:
tableMouseDown(event);
break;
case SWT.FocusIn:
tableFocusIn(event);
break;
}
};
table.addListener(SWT.FocusIn, tableListener);
table.addListener(SWT.MouseDown, tableListener);
disposeItemListener =
event -> {
unhookRowColumnListeners();
row = null;
column = null;
_resize();
};
disposeColumnListener =
event -> {
unhookRowColumnListeners();
row = null;
column = null;
_resize();
};
resizeListener = event -> _resize();
ScrollBar hBar = table.getHorizontalBar();
if (hBar != null) {
hBar.addListener(SWT.Selection, resizeListener);
}
ScrollBar vBar = table.getVerticalBar();
if (vBar != null) {
vBar.addListener(SWT.Selection, resizeListener);
}
getAccessible()
.addAccessibleControlListener(
new AccessibleControlAdapter() {
@Override
public void getRole(AccessibleControlEvent e) {
e.detail = ACC.ROLE_TABLECELL;
}
});
getAccessible()
.addAccessibleListener(
new AccessibleAdapter() {
@Override
public void getName(AccessibleEvent e) {
if (row == null) return;
int columnIndex = column == null ? 0 : table.indexOf(column);
e.result = row.getText(columnIndex);
}
});
}