+++ /dev/null
-package net.sourceforge.phpdt.internal.ui.dialogs;
-
-import net.sourceforge.phpdt.internal.ui.util.FilteredList;
-
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.jface.dialogs.IDialogConstants;
-import org.eclipse.jface.util.Assert;
-import org.eclipse.jface.viewers.ILabelProvider;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.BusyIndicator;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.events.KeyListener;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Event;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Listener;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-
-/**
- * An abstract class to select elements out of a list of elements.
- */
-public abstract class AbstractElementListSelectionDialog extends
- SelectionStatusDialog {
-
- private ILabelProvider fRenderer;
-
- private boolean fIgnoreCase = true;
-
- private boolean fIsMultipleSelection = false;
-
- private boolean fMatchEmptyString = true;
-
- private boolean fAllowDuplicates = true;
-
- private Label fMessage;
-
- protected FilteredList fFilteredList;
-
- private Text fFilterText;
-
- private ISelectionValidator fValidator;
-
- private String fFilter = null;
-
- private String fEmptyListMessage = ""; //$NON-NLS-1$
-
- private String fEmptySelectionMessage = ""; //$NON-NLS-1$
-
- private int fWidth = 60;
-
- private int fHeight = 18;
-
- private Object[] fSelection = new Object[0];
-
- /**
- * Constructs a list selection dialog.
- *
- * @param renderer
- * The label renderer used
- * @param ignoreCase
- * Decides if the match string ignores lower/upppr case
- * @param multipleSelection
- * Allow multiple selection
- */
- protected AbstractElementListSelectionDialog(Shell parent,
- ILabelProvider renderer) {
- super(parent);
- fRenderer = renderer;
-
- int shellStyle = getShellStyle();
- setShellStyle(shellStyle | SWT.MAX | SWT.RESIZE);
- }
-
- /**
- * Handles default selection (double click). By default, the OK button is
- * pressed.
- */
- protected void handleDefaultSelected() {
- if (validateCurrentSelection())
- buttonPressed(IDialogConstants.OK_ID);
- }
-
- /**
- * Specifies if sorting, filtering and folding is case sensitive.
- */
- public void setIgnoreCase(boolean ignoreCase) {
- fIgnoreCase = ignoreCase;
- }
-
- /**
- * Returns if sorting, filtering and folding is case sensitive.
- */
- public boolean isCaseIgnored() {
- return fIgnoreCase;
- }
-
- /**
- * Specifies whether everything or nothing should be filtered on empty
- * filter string.
- */
- public void setMatchEmptyString(boolean matchEmptyString) {
- fMatchEmptyString = matchEmptyString;
- }
-
- /**
- * Specifies if multiple selection is allowed.
- */
- public void setMultipleSelection(boolean multipleSelection) {
- fIsMultipleSelection = multipleSelection;
- }
-
- /**
- * Specifies whether duplicate entries are displayed or not.
- */
- public void setAllowDuplicates(boolean allowDuplicates) {
- fAllowDuplicates = allowDuplicates;
- }
-
- /**
- * Sets the list size in unit of characters.
- *
- * @param width
- * the width of the list.
- * @param height
- * the height of the list.
- */
- public void setSize(int width, int height) {
- fWidth = width;
- fHeight = height;
- }
-
- /**
- * Sets the message to be displayed if the list is empty.
- *
- * @param message
- * the message to be displayed.
- */
- public void setEmptyListMessage(String message) {
- fEmptyListMessage = message;
- }
-
- /**
- * Sets the message to be displayed if the selection is empty.
- *
- * @param message
- * the message to be displayed.
- */
- public void setEmptySelectionMessage(String message) {
- fEmptySelectionMessage = message;
- }
-
- /**
- * Sets an optional validator to check if the selection is valid. The
- * validator is invoked whenever the selection changes.
- *
- * @param validator
- * the validator to validate the selection.
- */
- public void setValidator(ISelectionValidator validator) {
- fValidator = validator;
- }
-
- /**
- * Sets the elements of the list (widget). To be called within open().
- *
- * @param elements
- * the elements of the list.
- */
- protected void setListElements(Object[] elements) {
- Assert.isNotNull(fFilteredList);
- fFilteredList.setElements(elements);
- }
-
- /**
- * Sets the filter pattern.
- *
- * @param filter
- * the filter pattern.
- */
- public void setFilter(String filter) {
- if (fFilterText == null)
- fFilter = filter;
- else
- fFilterText.setText(filter);
- }
-
- /**
- * Returns the current filter pattern.
- *
- * @return returns the current filter pattern or
- * <code>null<code> if filter was not set.
- */
- public String getFilter() {
- if (fFilteredList == null)
- return fFilter;
- else
- return fFilteredList.getFilter();
- }
-
- /**
- * Returns the indices referring the current selection. To be called within
- * open().
- *
- * @return returns the indices of the current selection.
- */
- protected int[] getSelectionIndices() {
- Assert.isNotNull(fFilteredList);
- return fFilteredList.getSelectionIndices();
- }
-
- /**
- * Returns an index referring the first current selection. To be called
- * within open().
- *
- * @return returns the indices of the current selection.
- */
- protected int getSelectionIndex() {
- Assert.isNotNull(fFilteredList);
- return fFilteredList.getSelectionIndex();
- }
-
- /**
- * Sets the selection referenced by an array of elements. To be called
- * within open().
- *
- * @param selection
- * the indices of the selection.
- */
- protected void setSelection(Object[] selection) {
- Assert.isNotNull(fFilteredList);
- fFilteredList.setSelection(selection);
- }
-
- /**
- * Returns an array of the currently selected elements. To be called within
- * or after open().
- *
- * @return returns an array of the currently selected elements.
- */
- protected Object[] getSelectedElements() {
- Assert.isNotNull(fFilteredList);
- return fFilteredList.getSelection();
- }
-
- /**
- * Returns all elements which are folded together to one entry in the list.
- *
- * @param index
- * the index selecting the entry in the list.
- * @return returns an array of elements folded together.
- */
- public Object[] getFoldedElements(int index) {
- Assert.isNotNull(fFilteredList);
- return fFilteredList.getFoldedElements(index);
- }
-
- /**
- * Creates the message text widget and sets layout data.
- *
- * @param composite
- * the parent composite of the message area.
- */
- protected Label createMessageArea(Composite composite) {
- Label label = super.createMessageArea(composite);
-
- GridData data = new GridData();
- data.grabExcessVerticalSpace = false;
- data.grabExcessHorizontalSpace = true;
- data.horizontalAlignment = GridData.FILL;
- data.verticalAlignment = GridData.BEGINNING;
- label.setLayoutData(data);
-
- fMessage = label;
-
- return label;
- }
-
- /**
- * Handles a selection changed event. By default, the current selection is
- * validated.
- */
- protected void handleSelectionChanged() {
- validateCurrentSelection();
- }
-
- /**
- * Validates the current selection and updates the status line accordingly.
- */
- protected boolean validateCurrentSelection() {
- Assert.isNotNull(fFilteredList);
-
- IStatus status;
- Object[] elements = getSelectedElements();
-
- if (elements.length > 0) {
- if (fValidator != null) {
- status = fValidator.validate(elements);
- } else {
- status = new StatusInfo();
- }
- } else {
- if (fFilteredList.isEmpty()) {
- status = new StatusInfo(IStatus.ERROR, fEmptyListMessage);
- } else {
- status = new StatusInfo(IStatus.ERROR, fEmptySelectionMessage);
- }
- }
-
- updateStatus(status);
-
- return status.isOK();
- }
-
- /*
- * @see Dialog#cancelPressed
- */
- protected void cancelPressed() {
- setResult(null);
- super.cancelPressed();
- }
-
- /**
- * Creates a filtered list.
- *
- * @param parent
- * the parent composite.
- * @return returns the filtered list widget.
- */
- protected FilteredList createFilteredList(Composite parent) {
- int flags = SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL
- | (fIsMultipleSelection ? SWT.MULTI : SWT.SINGLE);
-
- FilteredList list = new FilteredList(parent, flags, fRenderer,
- fIgnoreCase, fAllowDuplicates, fMatchEmptyString);
-
- GridData data = new GridData();
- data.widthHint = convertWidthInCharsToPixels(fWidth);
- data.heightHint = convertHeightInCharsToPixels(fHeight);
- data.grabExcessVerticalSpace = true;
- data.grabExcessHorizontalSpace = true;
- data.horizontalAlignment = GridData.FILL;
- data.verticalAlignment = GridData.FILL;
- list.setLayoutData(data);
-
- list.setFilter((fFilter == null ? "" : fFilter)); //$NON-NLS-1$
-
- list.addSelectionListener(new SelectionListener() {
- public void widgetDefaultSelected(SelectionEvent e) {
- handleDefaultSelected();
- }
-
- public void widgetSelected(SelectionEvent e) {
- handleWidgetSelected();
- }
- });
-
- fFilteredList = list;
-
- return list;
- }
-
- // 3515
- private void handleWidgetSelected() {
- Object[] newSelection = fFilteredList.getSelection();
-
- if (newSelection.length != fSelection.length) {
- fSelection = newSelection;
- handleSelectionChanged();
- } else {
- for (int i = 0; i != newSelection.length; i++) {
- if (!newSelection[i].equals(fSelection[i])) {
- fSelection = newSelection;
- handleSelectionChanged();
- break;
- }
- }
- }
- }
-
- protected Text createFilterText(Composite parent) {
- Text text = new Text(parent, SWT.BORDER);
-
- GridData data = new GridData();
- data.grabExcessVerticalSpace = false;
- data.grabExcessHorizontalSpace = true;
- data.horizontalAlignment = GridData.FILL;
- data.verticalAlignment = GridData.BEGINNING;
- text.setLayoutData(data);
-
- text.setText((fFilter == null ? "" : fFilter)); //$NON-NLS-1$
-
- Listener listener = new Listener() {
- public void handleEvent(Event e) {
- fFilteredList.setFilter(fFilterText.getText());
- }
- };
- text.addListener(SWT.Modify, listener);
-
- text.addKeyListener(new KeyListener() {
- public void keyPressed(KeyEvent e) {
- if (e.keyCode == SWT.ARROW_DOWN)
- fFilteredList.setFocus();
- }
-
- public void keyReleased(KeyEvent e) {
- }
- });
-
- fFilterText = text;
-
- return text;
- }
-
- /*
- * @see Window#open()
- */
- public int open() {
- BusyIndicator.showWhile(null, new Runnable() {
- public void run() {
- access$superOpen();
- }
- });
- return getReturnCode();
- }
-
- private void access$superOpen() {
- super.open();
- }
-
- /*
- * @see Window#create(Shell)
- */
- public void create() {
- super.create();
-
- Assert.isNotNull(fFilteredList);
-
- if (fFilteredList.isEmpty()) {
- handleEmptyList();
- } else {
- validateCurrentSelection();
- fFilterText.selectAll();
- fFilterText.setFocus();
- }
- }
-
- /**
- * Handles empty list by disabling widgets.
- */
- protected void handleEmptyList() {
- fMessage.setEnabled(false);
- fFilterText.setEnabled(false);
- fFilteredList.setEnabled(false);
- }
-
-}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff