Mercurial > projects > dwt2
diff org.eclipse.jface/src/org/eclipse/jface/fieldassist/ComboContentAdapter.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
parents | |
children | dccb717aa902 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ComboContentAdapter.d Sat Mar 14 18:23:29 2009 +0100 @@ -0,0 +1,155 @@ +/******************************************************************************* + * Copyright (c) 2005, 2008 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 + * Port to the D programming language: + * Frank Benoit <benoit@tionex.de> + *******************************************************************************/ +module org.eclipse.jface.fieldassist.ComboContentAdapter; + +import org.eclipse.swt.SWT; +import org.eclipse.jface.fieldassist.IControlContentAdapter; +import org.eclipse.jface.fieldassist.IControlContentAdapter2; + +import org.eclipse.swt.graphics.GC; +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.graphics.Rectangle; +import org.eclipse.swt.widgets.Combo; +import org.eclipse.swt.widgets.Control; + +import java.lang.all; +import java.util.Set; +import tango.text.Text; +alias tango.text.Text.Text!(char) StringBuffer; +/** + * An {@link IControlContentAdapter} for SWT Combo controls. This is a + * convenience class for easily creating a {@link ContentProposalAdapter} for + * combo fields. + * + * @since 3.2 + */ +public class ComboContentAdapter : IControlContentAdapter, + IControlContentAdapter2 { + + /* + * Set to <code>true</code> if we should compute the text + * vertical bounds rather than just use the field size. + * Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=164748 + * The corresponding SWT bug is + * https://bugs.eclipse.org/bugs/show_bug.cgi?id=44072 + */ + private static final bool COMPUTE_TEXT_USING_CLIENTAREA = !"carbon".equals(SWT.getPlatform()); //$NON-NLS-1$ + + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.dialogs.taskassistance.IControlContentAdapter#getControlContents(org.eclipse.swt.widgets.Control) + */ + public String getControlContents(Control control) { + return (cast(Combo) control).getText(); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.fieldassist.IControlContentAdapter#setControlContents(org.eclipse.swt.widgets.Control, + * java.lang.String, int) + */ + public void setControlContents(Control control, String text, + int cursorPosition) { + (cast(Combo) control).setText(text); + (cast(Combo) control) + .setSelection(new Point(cursorPosition, cursorPosition)); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.fieldassist.IControlContentAdapter#insertControlContents(org.eclipse.swt.widgets.Control, + * java.lang.String, int) + */ + public void insertControlContents(Control control, String text, + int cursorPosition) { + Combo combo = cast(Combo) control; + String contents = combo.getText(); + Point selection = combo.getSelection(); + StringBuffer sb = new StringBuffer(); + sb.append(contents.substring(0, selection.x)); + sb.append(text); + if (selection.y < contents.length) { + sb.append(contents.substring(selection.y, contents.length)); + } + combo.setText(sb.toString()); + selection.x = selection.x + cursorPosition; + selection.y = selection.x; + combo.setSelection(selection); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.fieldassist.IControlContentAdapter#getCursorPosition(org.eclipse.swt.widgets.Control) + */ + public int getCursorPosition(Control control) { + return (cast(Combo) control).getSelection().x; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.fieldassist.IControlContentAdapter#getInsertionBounds(org.eclipse.swt.widgets.Control) + */ + public Rectangle getInsertionBounds(Control control) { + // This doesn't take horizontal scrolling into affect. + // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=204599 + Combo combo = cast(Combo) control; + int position = combo.getSelection().y; + String contents = combo.getText(); + GC gc = new GC(combo); + gc.setFont(combo.getFont()); + Point extent = gc.textExtent(contents.substring(0, Math.min(position, + contents.length))); + gc.dispose(); + if (COMPUTE_TEXT_USING_CLIENTAREA) { + return new Rectangle(combo.getClientArea().x + extent.x, combo + .getClientArea().y, 1, combo.getClientArea().height); + } + return new Rectangle(extent.x, 0, 1, combo.getSize().y); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.fieldassist.IControlContentAdapter#setCursorPosition(org.eclipse.swt.widgets.Control, + * int) + */ + public void setCursorPosition(Control control, int index) { + (cast(Combo) control).setSelection(new Point(index, index)); + } + + /** + * @see org.eclipse.jface.fieldassist.IControlContentAdapter2#getSelection(org.eclipse.swt.widgets.Control) + * + * @since 3.4 + */ + public Point getSelection(Control control) { + return (cast(Combo) control).getSelection(); + } + + /** + * @see org.eclipse.jface.fieldassist.IControlContentAdapter2#setSelection(org.eclipse.swt.widgets.Control, + * org.eclipse.swt.graphics.Point) + * + * @since 3.4 + */ + public void setSelection(Control control, Point range) { + (cast(Combo) control).setSelection(range); + } + +}