| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.custom; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.widgets.*; |
| |
| |
| /** |
| * DO NOT USE - UNDER CONSTRUCTION |
| * |
| * @ since 3.0 |
| */ |
| |
| public class CTabItem2 extends Item { |
| CTabFolder2 parent; |
| int x,y,width,height = 0; |
| Control control; // the tab page |
| |
| String toolTipText; |
| String shortenedText; |
| int shortenedTextWidth; |
| |
| Rectangle closeRect = new Rectangle(0, 0, 0, 0); |
| int closeImageState = CTabFolder2.NONE; |
| boolean showClose = false; |
| |
| // internal constants |
| static final int LEFT_MARGIN = 7; |
| static final int RIGHT_MARGIN = 6; |
| static final int TOP_MARGIN = 2; |
| static final int BOTTOM_MARGIN = 2; |
| static final int INTERNAL_SPACING = 2; |
| static final int FLAGS = SWT.DRAW_TRANSPARENT | SWT.DRAW_MNEMONIC; |
| static final String ellipsis = "..."; //$NON-NLS-1$ |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>CTabFolder</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 CTabFolder 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> |
| * </ul> |
| * |
| * @see SWT |
| * @see Widget#getStyle() |
| */ |
| public CTabItem2 (CTabFolder2 parent, int style) { |
| this(parent, style, parent.getItemCount()); |
| } |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>CTabFolder</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> |
| * |
| * @param parent a CTabFolder which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * @param index the index to store the receiver in its parent |
| * |
| * @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> |
| * </ul> |
| * |
| * @see SWT |
| * @see Widget#getStyle() |
| */ |
| public CTabItem2 (CTabFolder2 parent, int style, int index) { |
| super (parent, checkStyle(style)); |
| showClose = (style & SWT.CLOSE) != 0; |
| parent.createItem (this, index); |
| } |
| static int checkStyle(int style) { |
| return SWT.NONE; |
| } |
| static String shortenText(GC gc, String text, int width) { |
| if (gc.textExtent(text, FLAGS).x <= width) return text; |
| |
| int ellipseWidth = gc.textExtent(ellipsis, FLAGS).x; |
| int length = text.length(); |
| int end = length - 1; |
| while (end > 0) { |
| text = text.substring(0, end); |
| int l1 = gc.textExtent(text, FLAGS).x; |
| if (l1 + ellipseWidth <= width) { |
| return text + ellipsis; |
| } |
| end--; |
| } |
| return text + ellipsis; |
| } |
| public void dispose() { |
| if (isDisposed ()) return; |
| //if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| parent.destroyItem(this); |
| super.dispose(); |
| parent = null; |
| control = null; |
| toolTipText = null; |
| shortenedText = null; |
| } |
| void drawClose(GC gc) { |
| if (closeRect.width == 0 || closeRect.height == 0) return; |
| Display display = getDisplay(); |
| |
| // draw X (10x10 or 11x11) |
| int indent = Math.max(1, (parent.tabHeight-11)/2); |
| int x = closeRect.x + indent - 1; |
| int y = closeRect.y + indent; |
| switch (closeImageState) { |
| case CTabFolder2.NORMAL: { |
| int[] shape = new int[] {x,y, x+2,y, x+4,y+2, x+5,y+2, x+7,y, x+9,y, |
| x+9,y+2, x+7,y+4, x+7,y+5, x+9,y+7, x+9,y+9, |
| x+7,y+9, x+5,y+7, x+4,y+7, x+2,y+9, x,y+9, |
| x,y+7, x+2,y+5, x+2,y+4, x,y+2}; |
| gc.setBackground(display.getSystemColor(SWT.COLOR_WHITE)); |
| gc.fillPolygon(shape); |
| gc.setForeground(CTabFolder2.borderColor); |
| gc.drawPolygon(shape); |
| break; |
| } |
| case CTabFolder2.HOT: { |
| int[] shape = new int[] {x,y, x+2,y, x+4,y+2, x+5,y+2, x+7,y, x+9,y, |
| x+9,y+2, x+7,y+4, x+7,y+5, x+9,y+7, x+9,y+9, |
| x+7,y+9, x+5,y+7, x+4,y+7, x+2,y+9, x,y+9, |
| x,y+7, x+2,y+5, x+2,y+4, x,y+2}; |
| gc.setBackground(display.getSystemColor(SWT.COLOR_WHITE)); |
| gc.fillPolygon(shape); |
| Color border = new Color(display, CTabFolder2.CLOSE_BORDER); |
| gc.setForeground(border); |
| gc.drawPolygon(shape); |
| border.dispose(); |
| break; |
| } |
| case CTabFolder2.SELECTED: { |
| int[] shape = new int[] {x+1,y+1, x+3,y+1, x+5,y+3, x+6,y+3, x+8,y+1, x+10,y+1, |
| x+10,y+3, x+8,y+5, x+8,y+6, x+10,y+8, x+10,y+10, |
| x+8,y+10, x+6,y+8, x+5,y+8, x+3,y+10, x+1,y+10, |
| x+1,y+8, x+3,y+6, x+3,y+5, x+1,y+3}; |
| Color fill = new Color(display, CTabFolder2.CLOSE_FILL); |
| gc.setBackground(fill); |
| gc.fillPolygon(shape); |
| fill.dispose(); |
| Color border = new Color(display, CTabFolder2.CLOSE_BORDER); |
| gc.setForeground(border); |
| gc.drawPolygon(shape); |
| border.dispose(); |
| break; |
| } |
| case CTabFolder2.NONE: { |
| int[] shape = new int[] {x,y, x+10,y, x+10,y+10, x,y+10}; |
| parent.drawBackground(gc, shape, false); |
| break; |
| } |
| } |
| } |
| void drawSelected(GC gc ) { |
| Point size = parent.getSize(); |
| // Draw selection border across all tabs |
| int parentX = parent.borderLeft; |
| int parentY = parent.onBottom ? size.y - parent.borderBottom - parent.tabHeight - CTabFolder2.HIGHLIGHT_HEADER : parent.borderTop + parent.tabHeight + 1; |
| int parentWidth = size.x - parent.borderLeft - parent.borderRight; |
| int parentHeight = CTabFolder2.HIGHLIGHT_HEADER - 1; |
| int[] shape = new int[] {parentX,parentY, parentX+parentWidth,parentY, parentX+parentWidth,parentY+parentHeight, parentX,parentY+parentHeight}; |
| parent.drawBackground(gc, shape, true); |
| |
| // if selected tab scrolled out of view or partially out of view |
| // draw line and clean up partial tab area |
| int rightTabEdge = parent.getRightItemEdge(); |
| if (!parent.single && parent.selectedIndex != parent.topTabIndex && x + width >= rightTabEdge){ |
| if (parent.onBottom) { |
| shape = new int[4]; |
| int index = 0; |
| shape[index++] = Math.max(0, parent.borderLeft - 1); |
| shape[index++] = y - 1; |
| shape[index++] = size.x - parent.borderRight; |
| shape[index++] = y - 1; |
| } else { |
| shape = new int[4]; |
| int index = 0; |
| shape[index++] = Math.max(0, parent.borderLeft - 1); |
| shape[index++] = y + height; |
| shape[index++] = size.x - parent.borderRight; |
| shape[index++] = y + height; |
| } |
| // draw line |
| gc.setForeground(CTabFolder2.borderColor); |
| gc.drawPolyline(shape); |
| // if tab partially visible, fill in background for tab |
| shape = new int[] {x,y-1, x,y+height, size.x,y+height, size.x,y-1}; |
| parent.drawBackground(gc, shape, false); |
| return; |
| } |
| |
| // fill in background for non-rectangular shape |
| shape = new int[] {x,y, x+width,y, x+width,y+height, x,y+height}; |
| parent.drawBackground(gc, shape, false); |
| |
| // draw selected tab background and outline |
| int extra = CTabFolder2.CURVE_WIDTH/2 + 4; // +4 to avoid overlapping with text in next tab |
| shape = null; |
| if (this.parent.onBottom) { |
| int[] left = CTabFolder2.BOTTOM_LEFT_CORNER; |
| int[] right = parent.curve; |
| shape = new int[left.length+right.length+8]; |
| int index = 0; |
| shape[index++] = x; // first point repeated here because below we reuse shape to draw outline |
| shape[index++] = y - 1; |
| shape[index++] = x; |
| shape[index++] = y - 1; |
| for (int i = 0; i < left.length/2; i++) { |
| shape[index++] = x + left[2*i]; |
| shape[index++] = y + height + left[2*i+1] - 1; |
| } |
| for (int i = 0; i < right.length/2; i++) { |
| shape[index++] = x + width - extra + right[2*i]; |
| shape[index++] = y + right[2*i+1] - 2; |
| } |
| int temp = 0; |
| for (int i = 0; i < shape.length/2; i++) { |
| if (shape[2*i] > rightTabEdge) { |
| if (temp == 0 && i > 0) { |
| temp = shape[2*i-1]; |
| } else { |
| temp = y - 1; |
| } |
| shape[2*i] = rightTabEdge; |
| shape[2*i+1] = temp; |
| } |
| } |
| shape[index++] = rightTabEdge; |
| shape[index++] = y - 1; |
| shape[index++] = x + width + extra; |
| shape[index++] = y - 1; |
| } else { |
| int[] left = CTabFolder2.TOP_LEFT_CORNER; |
| int[] right = parent.curve; |
| shape = new int[left.length+right.length+8]; |
| int index = 0; |
| shape[index++] = x; // first point repeated here because below we reuse shape to draw outline |
| shape[index++] = y + height + 1; |
| shape[index++] = x; |
| shape[index++] = y + height + 1; |
| for (int i = 0; i < left.length/2; i++) { |
| shape[index++] = x + left[2*i]; |
| shape[index++] = y + left[2*i+1]; |
| } |
| for (int i = 0; i < right.length/2; i++) { |
| shape[index++] = x + width - extra + right[2*i]; |
| shape[index++] = y + right[2*i+1]; |
| } |
| int temp = 0; |
| for (int i = 0; i < shape.length/2; i++) { |
| if (shape[2*i] > rightTabEdge) { |
| if (temp == 0 && i > 0) { |
| temp = shape[2*i-1]; |
| } else { |
| temp = y + height + 1; |
| } |
| shape[2*i] = rightTabEdge; |
| shape[2*i+1] = temp; |
| } |
| } |
| shape[index++] = rightTabEdge; |
| shape[index++] = y + height + 1; |
| shape[index++] = x + width + extra; |
| shape[index++] = y + height + 1; |
| } |
| parent.drawBackground(gc, shape, true); |
| |
| if ( x < rightTabEdge) { |
| // Limit drawing area of tab |
| Region r = new Region(); |
| r.subtract(r); //clear |
| Region clipping = new Region(); |
| gc.getClipping(clipping); |
| r.add(clipping); |
| r.intersect(new Rectangle(x, y, Math.min(width, rightTabEdge-x), height)); |
| gc.setClipping(r); |
| |
| // draw Image |
| int xDraw = x + LEFT_MARGIN; |
| Image image = getImage(); |
| if (image != null) { |
| Rectangle imageBounds = image.getBounds(); |
| int imageX = xDraw; |
| int imageHeight = imageBounds.height; |
| int imageY = y + (height - imageHeight) / 2; |
| imageY += parent.onBottom ? -1 : 1; |
| int imageWidth = imageBounds.width * imageHeight / imageBounds.height; |
| gc.drawImage(image, |
| imageBounds.x, imageBounds.y, imageBounds.width, imageBounds.height, |
| imageX, imageY, imageWidth, imageHeight); |
| xDraw += imageWidth + INTERNAL_SPACING; |
| } |
| |
| // draw Text |
| int textWidth = x + width - xDraw - RIGHT_MARGIN; |
| if (closeRect.width > 0) textWidth -= closeRect.width + INTERNAL_SPACING; |
| if (shortenedText == null || shortenedTextWidth != textWidth) { |
| shortenedText = shortenText(gc, getText(), textWidth); |
| shortenedTextWidth = textWidth; |
| } |
| Point extent = gc.textExtent(shortenedText, FLAGS); |
| int textY = y + (height - extent.y) / 2; |
| textY += parent.onBottom ? -1 : 1; |
| |
| gc.setForeground(parent.selectionForeground); |
| gc.drawText(shortenedText, xDraw, textY, FLAGS); |
| |
| if (parent.showClose || showClose) drawClose(gc); |
| |
| // draw a Focus rectangle |
| if (parent.isFocusControl()) { |
| Display display = getDisplay(); |
| gc.setBackground(display.getSystemColor(SWT.COLOR_BLACK)); |
| gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE)); |
| gc.drawFocus(xDraw-3, textY-2, extent.x+6, extent.y+4); |
| } |
| |
| gc.setClipping(clipping); |
| r.dispose(); |
| clipping.dispose(); |
| } |
| |
| // draw outline |
| shape[0] = Math.max(0, parent.borderLeft - 1); |
| shape[shape.length - 2] = size.x - parent.borderRight + 1; |
| for (int i = 0; i < shape.length/2; i++) { |
| if (shape[2*i + 1] == y + height + 1) shape[2*i + 1] -= 1; |
| } |
| RGB inside = parent.selectionBackground.getRGB(); |
| if (parent.selectionBgImage != null || (parent.selectionGradientColors != null && parent.selectionGradientColors.length > 1 && !parent.selectionGradientVertical)) inside = null; |
| RGB outside = parent.getBackground().getRGB(); |
| if (parent.bgImage != null || (parent.gradientColors != null && parent.gradientColors.length > 1 && !parent.gradientVertical)) outside = null; |
| parent.antialias(shape, CTabFolder2.borderColor.getRGB(), inside, outside, gc); |
| gc.setForeground(CTabFolder2.borderColor); |
| gc.drawPolyline(shape); |
| } |
| void drawUnselected(GC gc) { |
| int rightTabEdge = parent.getRightItemEdge(); |
| if (x >= parent.getSize().x) return; |
| // Do not draw partial items |
| if (parent.items[parent.topTabIndex] != this && x + width >= rightTabEdge){ |
| int x1 = x, y1 = y-1; |
| int x2 = parent.getSize().x, y2 = y + height; |
| int[] shape = new int[]{x1,y1, x1,y2, x2,y2, x2,y1}; |
| parent.drawBackground(gc, shape, false); |
| return; |
| } |
| |
| // draw background |
| int[] shape = null; |
| if (parent.indexOf(this) == parent.topTabIndex) { |
| if (this.parent.onBottom) { |
| int[] left = CTabFolder2.BOTTOM_LEFT_CORNER; |
| shape = new int[left.length + 6]; |
| int index = 0; |
| shape[index++] = x; |
| shape[index++] = y; |
| for(int i = 0; i < left.length/2; i++) { |
| shape[index++] = x + left[2*i]; |
| shape[index++] = y + height + left[2*i+1]; |
| } |
| shape[index++]= x + width; |
| shape[index++]= y + height; |
| shape[index++]= x + width; |
| shape[index++]= y; |
| } else { |
| int[] left = CTabFolder2.TOP_LEFT_CORNER; |
| shape = new int[left.length + 6]; |
| int index = 0; |
| shape[index++] = x; |
| shape[index++] = y + height; |
| for(int i = 0; i < left.length/2; i++) { |
| shape[index++] = x + left[2*i]; |
| shape[index++] = y + left[2*i+1]; |
| } |
| shape[index++] = x + width; |
| shape[index++] = y; |
| shape[index++] = x + width; |
| shape[index++] = y + height; |
| } |
| parent.drawBackground(gc, shape, false); |
| // Shape is non-rectangular, fill in gaps with parent colours |
| Region r = new Region(); |
| r.add(new Rectangle(x, y, width, height)); |
| r.subtract(shape); |
| gc.setBackground(parent.getParent().getBackground()); |
| CTabFolder2.fillRegion(gc, r); |
| r.dispose(); |
| } else { |
| shape = new int[8]; |
| shape[0] = x; |
| shape[1] = y; |
| shape[2] = x; |
| shape[3] = y + height; |
| shape[4] = x + width; |
| shape[5] = y + height; |
| shape[6] = x + width; |
| shape[7] = y; |
| parent.drawBackground(gc, shape, false); |
| } |
| |
| // draw border |
| if (parent.indexOf(this) != parent.selectedIndex - 1) { |
| gc.setForeground(CTabFolder2.borderColor); |
| gc.drawLine(x + width - 1, y, x + width - 1, y + height); |
| } |
| |
| // draw Text |
| int textWidth = width - LEFT_MARGIN - RIGHT_MARGIN; |
| if (closeRect.width > 0) textWidth -= closeRect.width + INTERNAL_SPACING; |
| if (shortenedText == null || shortenedTextWidth != textWidth) { |
| shortenedText = shortenText(gc, getText(), textWidth); |
| shortenedTextWidth = textWidth; |
| } |
| Point extent = gc.textExtent(shortenedText, FLAGS); |
| int textY = y + (height - extent.y) / 2; |
| textY += parent.onBottom ? -1 : 1; |
| gc.setForeground(parent.getForeground()); |
| gc.drawText(shortenedText, x + LEFT_MARGIN, textY, FLAGS); |
| |
| if (parent.showClose || showClose) drawClose(gc); |
| } |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding column rectangle |
| * |
| * @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 Rectangle getBounds () { |
| //checkWidget(); |
| return new Rectangle(x, y, width, height); |
| } |
| /** |
| * Gets the control that is displayed in the content are of the tab item. |
| * |
| * @return the control |
| * |
| * @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 Control getControl () { |
| checkWidget(); |
| return control; |
| } |
| /** |
| * Get the image displayed in the tab if the tab is disabled. |
| * |
| * @return the disabled image 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> |
| * |
| * @deprecated |
| */ |
| public Image getDisabledImage(){ |
| //checkWidget(); |
| return null; |
| } |
| /** |
| * Returns the receiver's parent, which must be a <code>CTabFolder</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 CTabFolder2 getParent () { |
| //checkWidget(); |
| return parent; |
| } |
| /** |
| * 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> |
| */ |
| public String getToolTipText () { |
| checkWidget(); |
| if (toolTipText == null && shortenedText != null) { |
| String text = getText(); |
| if (!shortenedText.equals(text)) return text; |
| } |
| return toolTipText; |
| } |
| void onPaint(GC gc, boolean isSelected) { |
| if (width == 0 || height == 0) return; |
| if (isSelected) { |
| drawSelected(gc); |
| } else { |
| drawUnselected(gc); |
| } |
| } |
| int preferredHeight(GC gc) { |
| Image image = getImage(); |
| int h = (image == null) ? 0 : image.getBounds().height; |
| String text = getText(); |
| h = Math.max(h, gc.textExtent(text, FLAGS).y); |
| return h + TOP_MARGIN + BOTTOM_MARGIN; |
| } |
| int preferredWidth(GC gc, boolean isSelected) { |
| int w = 0; |
| Image image = getImage(); |
| if (isSelected && image != null) w += image.getBounds().width; |
| String text = getText(); |
| if (text != null) { |
| if (w > 0) w += INTERNAL_SPACING; |
| w += gc.textExtent(text, FLAGS).x; |
| } |
| if (parent.showClose || showClose) { |
| if (w > 0) w += INTERNAL_SPACING; |
| w += CTabFolder2.BUTTON_SIZE; |
| } |
| if (isSelected) w += 8; // why 8? |
| return w + LEFT_MARGIN + RIGHT_MARGIN; |
| } |
| /** |
| * Sets the control that is used to fill the client area of |
| * the tab folder when the user selects the tab item. |
| * <p> |
| * @param control the new control (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</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> |
| */ |
| public void setControl (Control control) { |
| checkWidget(); |
| if (control != null) { |
| if (control.isDisposed()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); |
| if (control.getParent() != parent) SWT.error (SWT.ERROR_INVALID_PARENT); |
| } |
| if (this.control != null && !this.control.isDisposed()) { |
| this.control.setVisible(false); |
| } |
| this.control = control; |
| if (this.control != null) { |
| int index = parent.indexOf (this); |
| if (index == parent.getSelectionIndex ()){ |
| this.control.setBounds(parent.getClientArea ()); |
| this.control.setVisible(true); |
| } else { |
| this.control.setVisible(false); |
| } |
| } |
| } |
| /** |
| * Sets the image that is displayed if the tab item is disabled. |
| * Null will clear the image. |
| * |
| * @param image the image to be displayed when the item is disabled 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> |
| * |
| * @deprecated |
| */ |
| public void setDisabledImage (Image image) { |
| checkWidget(); |
| } |
| public void setImage (Image image) { |
| checkWidget(); |
| if (image != null && image.equals(getImage())) return; |
| super.setImage(image); |
| if (!parent.updateTabHeight(parent.tabHeight, false)) { |
| parent.updateItems(); |
| } |
| parent.redraw(); |
| } |
| /** |
| * Set the widget text. |
| * <p> |
| * This method sets the widget label. The label may include |
| * mnemonic characters but must not contain line delimiters. |
| * |
| * @param string the new label for the widget |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text 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> |
| */ |
| public void setText (String string) { |
| checkWidget(); |
| if (string.equals(getText())) return; |
| super.setText(string); |
| shortenedText = null; |
| shortenedTextWidth = 0; |
| parent.updateItems(); |
| parent.redraw(); |
| } |
| /** |
| * Sets the receiver's tool tip text to the argument, which |
| * may be null indicating that no tool tip text should be shown. |
| * |
| * @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> |
| */ |
| public void setToolTipText (String string) { |
| checkWidget(); |
| toolTipText = string; |
| } |
| } |