| /******************************************************************************* |
| * Copyright (c) 2003, 2004 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.jem.internal.beaninfo.ui; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusInfo; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusUtil; |
| import org.eclipse.jdt.internal.ui.util.PixelConverter; |
| import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.ArchiveFileFilter; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.VariablePathDialogField.ChooseVariableDialog; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.*; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CLabel; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.PlatformUI; |
| /* |
| * $RCSfile: VariableSelectionBlock.java,v $ |
| * $Revision: 1.3 $ $Date: 2005/02/15 23:02:54 $ |
| */ |
| |
| public class VariableSelectionBlock { |
| |
| |
| private List fExistingPaths; |
| |
| private StringButtonDialogField fVariableField; |
| private StringButtonDialogField fExtensionField; |
| |
| private CLabel fFullPath; |
| |
| private IStatus fVariableStatus; |
| private IStatus fExistsStatus; |
| private IStatus fExtensionStatus; |
| |
| private String fVariable; |
| private IStatusChangeListener fContext; |
| |
| private boolean fIsEmptyAllowed; |
| |
| /** |
| * Constructor for VariableSelectionBlock |
| */ |
| public VariableSelectionBlock(IStatusChangeListener context, List existingPaths, IPath varPath, String lastVarSelection, boolean emptyAllowed) { |
| fContext= context; |
| fExistingPaths= existingPaths; |
| fIsEmptyAllowed= emptyAllowed; |
| fVariableStatus= new StatusInfo(); |
| fExistsStatus= new StatusInfo(); |
| |
| VariableSelectionAdapter adapter= new VariableSelectionAdapter(); |
| fVariableField= new StringButtonDialogField(adapter); |
| fVariableField.setDialogFieldListener(adapter); |
| fVariableField.setLabelText(BeanInfoUIMessages.getString("VariableSelectionBlock.variable.label")); //$NON-NLS-1$ |
| fVariableField.setButtonLabel(BeanInfoUIMessages.getString("VariableSelectionBlock.variable.button")); //$NON-NLS-1$ |
| |
| fExtensionField= new StringButtonDialogField(adapter); |
| fExtensionField.setDialogFieldListener(adapter); |
| fExtensionField.setLabelText(BeanInfoUIMessages.getString("VariableSelectionBlock.extension.label")); //$NON-NLS-1$ |
| fExtensionField.setButtonLabel(BeanInfoUIMessages.getString("VariableSelectionBlock.extension.button")); //$NON-NLS-1$ |
| |
| if (varPath != null) { |
| fVariableField.setText(varPath.segment(0)); |
| fExtensionField.setText(varPath.removeFirstSegments(1).toString()); |
| } else { |
| fVariableField.setText(""); //$NON-NLS-1$ |
| fExtensionField.setText(""); //$NON-NLS-1$ |
| } |
| updateFullTextField(); |
| } |
| |
| public IPath getVariablePath() { |
| if (fVariable != null) { |
| return new Path(fVariable).append(fExtensionField.getText()); |
| } |
| return null; |
| } |
| |
| public IPath getResolvedPath() { |
| if (fVariable != null) { |
| IPath entryPath= JavaCore.getClasspathVariable(fVariable); |
| if (entryPath != null) { |
| return entryPath.append(fExtensionField.getText()); |
| } |
| } |
| return null; |
| } |
| |
| public void setFocus(Display display) { |
| fVariableField.postSetFocusOnDialogField(display); |
| } |
| |
| |
| public Control createControl(Composite parent) { |
| PixelConverter converter= new PixelConverter(parent); |
| |
| int nColumns= 3; |
| |
| Composite inner= new Composite(parent, SWT.NONE); |
| GridLayout layout= new GridLayout(); |
| layout.marginHeight= 0; |
| layout.marginWidth= 0; |
| layout.numColumns= nColumns; |
| inner.setLayout(layout); |
| |
| int fieldWidthHint= converter.convertWidthInCharsToPixels(50); |
| |
| fVariableField.doFillIntoGrid(inner, nColumns); |
| LayoutUtil.setWidthHint(fVariableField.getTextControl(null), fieldWidthHint); |
| LayoutUtil.setHorizontalGrabbing(fVariableField.getTextControl(null)); |
| |
| fExtensionField.doFillIntoGrid(inner, nColumns); |
| LayoutUtil.setWidthHint(fExtensionField.getTextControl(null), fieldWidthHint); |
| |
| Label label= new Label(inner, SWT.LEFT); |
| label.setLayoutData(new GridData()); |
| label.setText(BeanInfoUIMessages.getString("VariableSelectionBlock.fullpath.label")); //$NON-NLS-1$ |
| |
| fFullPath= new CLabel(inner, SWT.NONE); |
| fFullPath.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL)); |
| DialogField.createEmptySpace(inner, nColumns - 2); |
| updateFullTextField(); |
| |
| setFocus(parent.getDisplay()); |
| |
| return inner; |
| } |
| |
| // -------- VariableSelectionAdapter -------- |
| |
| private class VariableSelectionAdapter implements IDialogFieldListener, IStringButtonAdapter { |
| |
| |
| // -------- IDialogFieldListener |
| public void dialogFieldChanged(DialogField field) { |
| doFieldUpdated(field); |
| } |
| |
| // -------- IStringButtonAdapter |
| public void changeControlPressed(DialogField field) { |
| doChangeControlPressed(field); |
| } |
| |
| } |
| |
| private void doChangeControlPressed(DialogField field) { |
| if (field == fVariableField) { |
| String variable= chooseVariable(); |
| if (variable != null) { |
| fVariableField.setText(variable); |
| } |
| } else if (field == fExtensionField) { |
| IPath filePath= chooseExtJar(); |
| if (filePath != null) { |
| fExtensionField.setText(filePath.toString()); |
| } |
| } |
| } |
| |
| private void doFieldUpdated(DialogField field) { |
| if (field == fVariableField) { |
| fVariableStatus= variableUpdated(); |
| } else if (field == fExtensionField) { |
| fExtensionStatus= extensionUpdated(); |
| } |
| fExistsStatus= getExistsStatus(); |
| updateFullTextField(); |
| |
| fContext.statusChanged(StatusUtil.getMostSevere(new IStatus[] { fVariableStatus, fExtensionStatus, fExistsStatus })); |
| } |
| |
| private IStatus variableUpdated() { |
| fVariable= null; |
| |
| StatusInfo status= new StatusInfo(); |
| String name= fVariableField.getText(); |
| if (name.length() == 0) { |
| if (!fIsEmptyAllowed) { |
| status.setError(BeanInfoUIMessages.getString("VariableSelectionBlock.error.entername_ERROR_")); //$NON-NLS-1$ |
| } else { |
| fVariable= ""; //$NON-NLS-1$ |
| } |
| } else if (JavaCore.getClasspathVariable(name) == null) { |
| status.setError(BeanInfoUIMessages.getString("VariableSelectionBlock.error.namenotexists_ERROR_")); //$NON-NLS-1$ |
| } else { |
| fVariable= name; |
| } |
| fExtensionField.enableButton(fVariable != null); |
| return status; |
| } |
| |
| private IStatus extensionUpdated() { |
| StatusInfo status= new StatusInfo(); |
| String extension= fExtensionField.getText(); |
| if (extension.length() > 0 && !Path.ROOT.isValidPath(extension)) { |
| status.setError(BeanInfoUIMessages.getString("VariableSelectionBlock.error.invalidextension_ERROR_")); //$NON-NLS-1$ |
| } |
| return status; |
| } |
| |
| private IStatus getExistsStatus() { |
| StatusInfo status= new StatusInfo(); |
| IPath path= getResolvedPath(); |
| if (path != null) { |
| if (findPath(path)) { |
| status.setError(BeanInfoUIMessages.getString("VariableSelectionBlock.error.pathexists_ERROR_")); //$NON-NLS-1$ |
| } else if (!path.toFile().isFile()) { |
| status.setWarning(BeanInfoUIMessages.getString("VariableSelectionBlock.warning.pathnotexists_WARN_")); //$NON-NLS-1$ |
| } |
| } else { |
| status.setWarning(BeanInfoUIMessages.getString("VariableSelectionBlock.warning.pathnotexists_WARN_")); //$NON-NLS-1$ |
| } |
| return status; |
| } |
| |
| private boolean findPath(IPath path) { |
| for (int i= fExistingPaths.size() -1; i >=0; i--) { |
| IPath curr= (IPath) fExistingPaths.get(i); |
| if (curr.equals(path)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private void updateFullTextField() { |
| if (fFullPath != null && !fFullPath.isDisposed()) { |
| IPath resolvedPath= getResolvedPath(); |
| if (resolvedPath != null) { |
| fFullPath.setText(resolvedPath.toOSString()); |
| } else { |
| fFullPath.setText(""); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| private Shell getShell() { |
| if (fFullPath != null) { |
| return fFullPath.getShell(); |
| } |
| return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| } |
| |
| private IPath chooseExtJar() { |
| String lastUsedPath= ""; //$NON-NLS-1$ |
| IPath entryPath= getResolvedPath(); |
| if (entryPath != null) { |
| if (ArchiveFileFilter.isArchivePath(entryPath)) { |
| lastUsedPath= entryPath.removeLastSegments(1).toOSString(); |
| } else { |
| lastUsedPath= entryPath.toOSString(); |
| } |
| } |
| |
| FileDialog dialog= new FileDialog(getShell(), SWT.SINGLE); |
| dialog.setFilterExtensions(new String[] {"*.jar;*.zip"}); //$NON-NLS-1$ |
| dialog.setFilterPath(lastUsedPath); |
| dialog.setText(BeanInfoUIMessages.getString("VariableSelectionBlock.ExtJarDialog.title")); //$NON-NLS-1$ |
| String res= dialog.open(); |
| if (res == null) { |
| return null; |
| } |
| IPath resPath= new Path(res).makeAbsolute(); |
| IPath varPath= JavaCore.getClasspathVariable(fVariable); |
| |
| if (!varPath.isPrefixOf(resPath)) { |
| return new Path(resPath.lastSegment()); |
| } else { |
| return resPath.removeFirstSegments(varPath.segmentCount()).setDevice(null); |
| } |
| } |
| |
| private String chooseVariable() { |
| ChooseVariableDialog dialog= new ChooseVariableDialog(getShell(), fVariable); |
| if (dialog.open() == Window.OK) { |
| return dialog.getSelectedVariable(); |
| } |
| |
| return null; |
| } |
| |
| |
| } |