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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/emulated/treetable/org/eclipse/swt/widgets/TableColumn.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT/emulated/treetable/org/eclipse/swt/widgets/TableColumn.java762
1 files changed, 0 insertions, 762 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/emulated/treetable/org/eclipse/swt/widgets/TableColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/emulated/treetable/org/eclipse/swt/widgets/TableColumn.java
deleted file mode 100644
index 7ef48a0fdd..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/emulated/treetable/org/eclipse/swt/widgets/TableColumn.java
+++ /dev/null
@@ -1,762 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.swt.widgets;
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-
-/**
- * Instances of this class represent a column in a table widget.
- * <p><dl>
- * <dt><b>Styles:</b></dt>
- * <dd>LEFT, RIGHT, CENTER</dd>
- * <dt><b>Events:</b></dt>
- * <dd> Move, Resize, Selection</dd>
- * </dl>
- * </p><p>
- * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified.
- * </p><p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- *
- * @see <a href="http://www.eclipse.org/swt/snippets/#table">Table, TableItem, TableColumn snippets</a>
- * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
- * @noextend This class is not intended to be subclassed by clients.
- */
-public class TableColumn extends Item {
- Table parent;
- String displayText = "";
- int width;
- boolean moveable, resizable = true;
- int sort = SWT.NONE;
- String toolTipText;
-
-/**
- * Constructs a new instance of this class given its parent
- * (which must be a <code>Table</code>) and a style value
- * describing its behavior and appearance. The item is added
- * to the end of the items maintained by its parent.
- * <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.
- * </p>
- *
- * @param parent a composite 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</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT#LEFT
- * @see SWT#RIGHT
- * @see SWT#CENTER
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public TableColumn (Table parent, int style) {
- this (parent, style, checkNull (parent).columns.length);
-}
-/**
- * Constructs a new instance of this class given its parent
- * (which must be a <code>Table</code>), a style value
- * describing its behavior and appearance, and the index
- * at which to place it in the items maintained by its parent.
- * <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.
- * </p>
- * <p>
- * Note that due to a restriction on some platforms, the first column
- * is always left aligned.
- * </p>
- * @param parent a composite control which will be the parent of the new instance (cannot be null)
- * @param style the style of control to construct
- * @param index the zero-relative index to store the receiver in its parent
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT#LEFT
- * @see SWT#RIGHT
- * @see SWT#CENTER
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public TableColumn (Table parent, int style, int index) {
- super (parent, checkStyle (style), index);
- if (!(0 <= index && index <= parent.columns.length)) error (SWT.ERROR_INVALID_RANGE);
- this.parent = parent;
- parent.createItem (this, index);
-}
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the control is moved or resized, by sending
- * it one of the messages defined in the <code>ControlListener</code>
- * interface.
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ControlListener
- * @see #removeControlListener
- */
-public void addControlListener (ControlListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Resize, typedListener);
- addListener (SWT.Move, typedListener);
-}
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the control is selected by the user, by sending
- * it one of the messages defined in the <code>SelectionListener</code>
- * interface.
- * <p>
- * <code>widgetSelected</code> is called when the column header is selected.
- * <code>widgetDefaultSelected</code> is not called.
- * </p>
- *
- * @param listener the listener which should be notified when the control is selected by the user
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see SelectionListener
- * @see #removeSelectionListener
- * @see SelectionEvent
- */
-public void addSelectionListener (SelectionListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Selection, typedListener);
- addListener (SWT.DefaultSelection, typedListener);
-}
-static Table checkNull (Table table) {
- if (table == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
- return table;
-}
-static int checkStyle (int style) {
- return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
-}
-protected void checkSubclass () {
- if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
-}
-void computeDisplayText (GC gc) {
- int availableWidth = width - 2 * parent.getHeaderPadding ();
- if (image != null) {
- availableWidth -= image.getBounds ().width;
- availableWidth -= Table.MARGIN_IMAGE;
- }
- if (sort != SWT.NONE) {
- availableWidth -= parent.arrowBounds.width;
- availableWidth -= Table.MARGIN_IMAGE;
- }
- String text = this.text;
- int textWidth = gc.textExtent (text, SWT.DRAW_MNEMONIC).x;
- if (textWidth <= availableWidth) {
- displayText = text;
- return;
- }
-
- /* Ellipsis will be needed, so subtract their width from the available text width */
- int ellipsisWidth = gc.stringExtent (Table.ELLIPSIS).x;
- availableWidth -= ellipsisWidth;
- if (availableWidth <= 0) {
- displayText = Table.ELLIPSIS;
- return;
- }
-
- /* Make initial guess. */
- int index = Math.min (availableWidth / gc.getFontMetrics ().getAverageCharWidth (), text.length ());
- textWidth = gc.textExtent (text.substring (0, index), SWT.DRAW_MNEMONIC).x;
-
- /* Initial guess is correct. */
- if (availableWidth == textWidth) {
- displayText = text.substring (0, index) + Table.ELLIPSIS;
- return;
- }
-
- /* Initial guess is too high, so reduce until fit is found. */
- if (availableWidth < textWidth) {
- do {
- index--;
- if (index < 0) {
- displayText = Table.ELLIPSIS;
- return;
- }
- text = text.substring (0, index);
- textWidth = gc.textExtent (text, SWT.DRAW_MNEMONIC).x;
- } while (availableWidth < textWidth);
- displayText = text + Table.ELLIPSIS;
- return;
- }
-
- /* Initial guess is too low, so increase until overrun is found. */
- while (textWidth < availableWidth) {
- index++;
- textWidth = gc.textExtent (text.substring (0, index), SWT.DRAW_MNEMONIC).x;
- }
- displayText = text.substring (0, index - 1) + Table.ELLIPSIS;
-}
-public void dispose () {
- if (isDisposed ()) return;
- Rectangle parentBounds = parent.clientArea;
- int x = getX ();
- int index = getIndex ();
- int orderIndex = getOrderIndex ();
- int nextColumnAlignment = parent.columns.length > 1 ? parent.columns [1].getAlignment () : SWT.LEFT;
- Table parent = this.parent;
- dispose (true);
-
- int width = parentBounds.width - x;
- parent.redraw (x, 0, width, parentBounds.height, false);
- /*
- * If column 0 was disposed then the new column 0 must be redrawn if it appears to the
- * left of the disposed column in the column order AND one the following are true:
- * - the parent has style CHECK, since these will now appear in the new column 0
- * - the new column 0 had non-left alignment before the dispose, since the parent will have
- * changed this to LEFT in the call to dispose(true)
- */
- if (index == 0 && ((parent.style & SWT.CHECK) != 0 || nextColumnAlignment != SWT.LEFT)) {
- if (parent.columns.length > 0) {
- TableColumn newColumn0 = parent.columns [0];
- if (newColumn0.getOrderIndex () < orderIndex) {
- int newColumn0x = newColumn0.getX ();
- parent.redraw (newColumn0x, 0, newColumn0.width, parentBounds.height, false);
- /* if the alignment changed then the header text must be repainted with its new alignment */
- if (nextColumnAlignment != SWT.LEFT && parent.getHeaderVisible () && parent.drawCount <= 0) {
- parent.header.redraw (newColumn0x, 0, newColumn0.width, parent.header.getClientArea ().height, false);
- }
- }
- }
- }
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- parent.header.redraw (x, 0, width, parent.getHeaderHeight (), false);
- }
-}
-void dispose (boolean notifyParent) {
- super.dispose (); /* super is intentional here */
- if (notifyParent) parent.destroyItem (this);
- parent = null;
-}
-/**
- * Returns a value which describes the position of the
- * text or image in the receiver. The value will be one of
- * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>.
- *
- * @return the alignment
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getAlignment () {
- checkWidget ();
- if ((style & SWT.CENTER) != 0) return SWT.CENTER;
- if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
- return SWT.LEFT;
-}
-/*
- * Returns the width of the header's content
- * (image + text + sort arrow + internal margins)
- */
-int getContentWidth (GC gc, boolean useDisplayText) {
- int contentWidth = 0;
- String text = useDisplayText ? displayText : this.text;
- if (text.length () > 0) {
- contentWidth += gc.textExtent (text, SWT.DRAW_MNEMONIC).x;
- }
- if (image != null) {
- contentWidth += image.getBounds ().width;
- if (text.length () > 0) contentWidth += Table.MARGIN_IMAGE;
- }
- if (sort != SWT.NONE) {
- contentWidth += parent.arrowBounds.width;
- if (text.length () > 0 || image != null) {
- contentWidth += Table.MARGIN_IMAGE;
- }
- }
- return contentWidth;
-}
-int getIndex () {
- TableColumn[] columns = parent.columns;
- for (int i = 0; i < columns.length; i++) {
- if (columns [i] == this) return i;
- }
- return -1;
-}
-/**
- * Gets the moveable attribute. A column that is
- * not moveable cannot be reordered by the user
- * by dragging the header but may be reordered
- * by the programmer.
- *
- * @return the moveable attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see Table#getColumnOrder()
- * @see Table#setColumnOrder(int[])
- * @see TableColumn#setMoveable(boolean)
- * @see SWT#Move
- *
- * @since 3.1
- */
-public boolean getMoveable () {
- checkWidget ();
- return moveable;
-}
-int getOrderIndex () {
- TableColumn[] orderedColumns = parent.orderedColumns;
- if (orderedColumns == null) return getIndex ();
- for (int i = 0; i < orderedColumns.length; i++) {
- if (orderedColumns [i] == this) return i;
- }
- return -1;
-}
-/**
- * Returns the receiver's parent, which must be a <code>Table</code>.
- *
- * @return the receiver's parent
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public Table getParent () {
- checkWidget ();
- return parent;
-}
-int getPreferredWidth () {
- if (!parent.getHeaderVisible ()) return 0;
- GC gc = new GC (parent);
- int result = getContentWidth (gc, false);
- gc.dispose ();
- return result + 2 * parent.getHeaderPadding ();
-}
-/**
- * Gets the resizable attribute. A column that is
- * not resizable cannot be dragged by the user but
- * may be resized by the programmer.
- *
- * @return the resizable attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public boolean getResizable () {
- checkWidget ();
- return resizable;
-}
-/**
- * Returns the receiver's tool tip text, or null if it has
- * not been set.
- *
- * @return the receiver's tool tip text
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @since 3.2
- */
-public String getToolTipText () {
- checkWidget ();
- return toolTipText;
-}
-/**
- * Gets the width of the receiver.
- *
- * @return the width
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getWidth () {
- checkWidget ();
- return width;
-}
-int getX () {
- TableColumn[] orderedColumns = parent.getOrderedColumns ();
- int index = getOrderIndex ();
- int result = -parent.horizontalOffset;
- for (int i = 0; i < index; i++) {
- result += orderedColumns [i].width;
- }
- return result;
-}
-/**
- * Causes the receiver to be resized to its preferred size.
- * For a composite, this involves computing the preferred size
- * from its layout, if there is one.
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- */
-public void pack () {
- checkWidget ();
- TableItem[] items = parent.items;
- int index = getIndex ();
- int newWidth = getPreferredWidth ();
- for (int i = 0; i < parent.itemsCount; i++) {
- int width = items [i].getPreferredWidth (index);
- /* ensure that receiver and parent were not disposed in a callback */
- if (parent.isDisposed () || isDisposed ()) return;
- if (!items [i].isDisposed ()) {
- newWidth = Math.max (newWidth, width);
- }
- }
- if (newWidth != width) parent.updateColumnWidth (this, newWidth);
-}
-void paint (GC gc) {
- int padding = parent.getHeaderPadding ();
-
- int x = getX ();
- int startX = x + padding;
- if ((style & SWT.LEFT) == 0) {
- int contentWidth = getContentWidth (gc, true);
- if ((style & SWT.RIGHT) != 0) {
- startX = Math.max (startX, x + width - padding - contentWidth);
- } else { /* SWT.CENTER */
- startX = Math.max (startX, x + (width - contentWidth) / 2);
- }
- }
- int headerHeight = parent.getHeaderHeight ();
-
- /* restrict the clipping region to the header cell */
- gc.setClipping (
- x + padding,
- padding,
- width - 2 * padding,
- headerHeight - 2 * padding);
-
- if (image != null) {
- Rectangle imageBounds = image.getBounds ();
- int drawHeight = Math.min (imageBounds.height, headerHeight - 2 * padding);
- gc.drawImage (
- image,
- 0, 0,
- imageBounds.width, imageBounds.height,
- startX, (headerHeight - drawHeight) / 2,
- imageBounds.width, drawHeight);
- startX += imageBounds.width + Table.MARGIN_IMAGE;
- }
- if (displayText.length () > 0) {
- gc.setForeground (display.getSystemColor (SWT.COLOR_BLACK));
- int fontHeight = parent.fontHeight;
- gc.drawText (displayText, startX, (headerHeight - fontHeight) / 2, SWT.DRAW_MNEMONIC);
- startX += gc.textExtent (displayText, SWT.DRAW_MNEMONIC).x + Table.MARGIN_IMAGE;
- }
- if (sort != SWT.NONE) {
- Image image = sort == SWT.DOWN ? parent.getArrowDownImage () : parent.getArrowUpImage ();
- int y = (headerHeight - parent.arrowBounds.height) / 2;
- gc.drawImage (image, startX, y);
- }
-}
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the control is moved or resized.
- *
- * @param listener the listener which should no longer be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ControlListener
- * @see #addControlListener
- */
-public void removeControlListener (ControlListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Move, listener);
- eventTable.unhook (SWT.Resize, listener);
-}
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the control is selected by the user.
- *
- * @param listener the listener which should no longer be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see SelectionListener
- * @see #addSelectionListener
- */
-public void removeSelectionListener (SelectionListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- removeListener (SWT.Selection, listener);
- removeListener (SWT.DefaultSelection, listener);
-}
-/**
- * Controls how text and images will be displayed in the receiver.
- * The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
- * or <code>CENTER</code>.
- * <p>
- * Note that due to a restriction on some platforms, the first column
- * is always left aligned.
- * </p>
- * @param alignment the new alignment
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setAlignment (int alignment) {
- checkWidget ();
- if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return;
- int index = getIndex ();
- if (index == -1 || index == 0) return; /* column 0 can only have left-alignment */
- alignment = checkBits (alignment, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
- if ((style & alignment) != 0) return; /* same value */
- style &= ~(SWT.LEFT | SWT.CENTER | SWT.RIGHT);
- style |= alignment;
- int x = getX ();
- parent.redraw (x, 0, width, parent.clientArea.height, false);
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- /* don't damage the header's drawn borders */
- parent.header.redraw (x, 1, width - 2, parent.getHeaderHeight () - 3, false);
- }
-}
-public void setImage (Image value) {
- checkWidget ();
- if (value == image) return;
- if (value != null && value.equals (image)) return; /* same value */
- super.setImage (value);
-
- /* An image width change may affect the space available for the column's displayText. */
- GC gc = new GC (parent);
- computeDisplayText (gc);
- gc.dispose ();
-
- /*
- * If this is the first image being put into the header then the header
- * height may be adjusted, in which case a full redraw is needed.
- */
- if (parent.headerImageHeight == 0) {
- int oldHeaderHeight = parent.getHeaderHeight ();
- parent.setHeaderImageHeight (value.getBounds ().height);
- if (oldHeaderHeight != parent.getHeaderHeight ()) {
- /* parent header height changed */
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- parent.header.redraw ();
- }
- parent.redraw ();
- return;
- }
- }
-
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- /* don't damage the header's drawn borders */
- parent.header.redraw (getX (), 1, width - 2, parent.getHeaderHeight () - 3, false);
- }
-}
-/**
- * Sets the moveable attribute. A column that is
- * moveable can be reordered by the user by dragging
- * the header. A column that is not moveable cannot be
- * dragged by the user but may be reordered
- * by the programmer.
- *
- * @param moveable the moveable attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see Table#setColumnOrder(int[])
- * @see Table#getColumnOrder()
- * @see TableColumn#getMoveable()
- * @see SWT#Move
- *
- * @since 3.1
- */
-public void setMoveable (boolean moveable) {
- checkWidget ();
- this.moveable = moveable;
-}
-/**
- * Sets the resizable attribute. A column that is
- * resizable can be resized by the user dragging the
- * edge of the header. A column that is not resizable
- * cannot be dragged by the user but may be resized
- * by the programmer.
- *
- * @param resizable the resize attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setResizable (boolean value) {
- checkWidget ();
- resizable = value;
-}
-void setSortDirection (int value) {
- if (value == sort) return;
- boolean widthChange = value == SWT.NONE || sort == SWT.NONE;
- sort = value;
- if (widthChange) {
- /*
- * adding/removing the sort arrow decreases/increases the width that is
- * available for the column's header text, so recompute the display text
- */
- GC gc = new GC (parent);
- computeDisplayText (gc);
- gc.dispose ();
- }
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- /* don't damage the header's drawn borders */
- parent.header.redraw (getX (), 1, width - 2, parent.getHeaderHeight () - 3, false);
- }
-}
-public void setText (String value) {
- checkWidget ();
- if (value == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (value.equals (text)) return; /* same value */
- super.setText (value);
- GC gc = new GC (parent);
- computeDisplayText (gc);
- gc.dispose ();
- if (parent.drawCount <= 0 && parent.getHeaderVisible ()) {
- /* don't damage the header's drawn borders */
- parent.header.redraw (getX (), 1, width - 2, parent.getHeaderHeight () - 3, false);
- }
-}
-/**
- * Sets the receiver's tool tip text to the argument, which
- * may be null indicating that the default tool tip for the
- * control will be shown. For a control that has a default
- * tool tip, such as the Tree control on Windows, setting
- * the tool tip text to an empty string replaces the default,
- * causing no tool tip text to be shown.
- * <p>
- * The mnemonic indicator (character '&amp;') is not displayed in a tool tip.
- * To display a single '&amp;' in the tool tip, the character '&amp;' can be
- * escaped by doubling it in the string.
- * </p>
- *
- * @param string the new tool tip text (or null)
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @since 3.2
- */
-public void setToolTipText (String string) {
- checkWidget ();
- if (toolTipText == string) return;
- if (toolTipText != null && toolTipText.equals (string)) return;
- toolTipText = string;
- if (parent.toolTipShell == null) return; /* tooltip not currently showing */
- if (((Integer) parent.toolTipShell.getData ()).intValue () != getIndex ()) return; /* tooltip showing for different column */
- parent.headerUpdateToolTip (getX () + (width / 2)); /* update the tooltip text */
-}
-/**
- * Sets the width of the receiver.
- *
- * @param width the new width
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setWidth (int value) {
- checkWidget ();
- if (value < 0) return;
- if (width == value) return; /* same value */
- parent.updateColumnWidth (this, value);
-}
-void updateFont (GC gc) {
- computeDisplayText (gc);
-}
-/*
- * Perform any internal changes necessary to reflect a changed width.
- */
-void updateWidth (GC gc) {
- String oldDisplayText = displayText;
- computeDisplayText (gc);
- /* the header must be damaged if the display text has changed or if the alignment is not LEFT */
- if (parent.getHeaderVisible ()) {
- if ((style & SWT.LEFT) == 0 || !oldDisplayText.equals (displayText)) {
- int padding = parent.getHeaderPadding ();
- parent.header.redraw (getX () + padding, 0, width - padding, parent.getHeaderHeight (), false);
- }
- }
-}
-}

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