| /*=============================================================================# |
| # Copyright (c) 2013, 2021 Dirk Fauth and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 |
| # |
| # Contributors: |
| # Dirk Fauth <dirk.fauth@gmail.com> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.waltable.edit.gui; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| |
| import org.eclipse.statet.ecommons.waltable.Messages; |
| import org.eclipse.statet.ecommons.waltable.config.CellConfigAttributes; |
| import org.eclipse.statet.ecommons.waltable.config.IConfigRegistry; |
| import org.eclipse.statet.ecommons.waltable.coordinate.Direction; |
| import org.eclipse.statet.ecommons.waltable.data.convert.ConversionFailedException; |
| import org.eclipse.statet.ecommons.waltable.data.convert.IDisplayConverter; |
| import org.eclipse.statet.ecommons.waltable.data.validate.IDataValidator; |
| import org.eclipse.statet.ecommons.waltable.data.validate.ValidationFailedException; |
| import org.eclipse.statet.ecommons.waltable.edit.DialogEditHandler; |
| import org.eclipse.statet.ecommons.waltable.edit.EditConfigAttributes; |
| import org.eclipse.statet.ecommons.waltable.edit.EditConfigHelper; |
| import org.eclipse.statet.ecommons.waltable.edit.EditMode; |
| import org.eclipse.statet.ecommons.waltable.edit.EditTypeEnum; |
| import org.eclipse.statet.ecommons.waltable.edit.ICellEditHandler; |
| import org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor; |
| import org.eclipse.statet.ecommons.waltable.edit.editor.IEditErrorHandler; |
| import org.eclipse.statet.ecommons.waltable.layer.cell.ILayerCell; |
| import org.eclipse.statet.ecommons.waltable.style.DisplayMode; |
| import org.eclipse.statet.internal.ecommons.waltable.WaLTablePlugin; |
| |
| |
| /** |
| * Abstract implementation of a {@link ICellEditor} that is also a {@link ICellEditDialog}. |
| * By creating a {@link ICellEditor} based on this abstract implementation, you are able |
| * to create an editor that wraps a SWT or JFace dialog. As SWT and JFace dialogs does not |
| * extend the same base classes, the local instance for the wrapped dialog is of type object |
| * in here. In the concrete implementation the {@link AbstractDialogCellEditor#getDialogInstance()} |
| * should return the concrete dialog type that is wrapped. |
| * <p> |
| * By using this implementation, the {@link CellEditDialogFactory} will return the instance of this |
| * editor, after it was activated previously. |
| */ |
| public abstract class AbstractDialogCellEditor implements ICellEditor, ICellEditDialog { |
| |
| |
| /** |
| * The parent Composite, needed for the creation of the dialog. |
| */ |
| protected Composite parent; |
| /** |
| * The {@link Dialog} that should be used as a cell editor. |
| */ |
| protected Object dialog; |
| /** |
| * The cell whose editor should be activated. |
| */ |
| protected ILayerCell layerCell; |
| /** |
| * The {@link ICellEditHandler} that will be used on commit. |
| */ |
| protected DialogEditHandler editHandler= new DialogEditHandler(); |
| /** |
| * The {@link IDisplayConverter} that should be used to convert the input value |
| * to the canonical value and vice versa. |
| */ |
| protected IDisplayConverter displayConverter; |
| /** |
| * The {@link IDataValidator} that should be used to validate the input value |
| * prior committing. |
| */ |
| protected IDataValidator dataValidator; |
| /** |
| * The error handler that will be used to show conversion errors. |
| */ |
| protected IEditErrorHandler conversionEditErrorHandler; |
| /** |
| * The error handler that will be used to show validation errors. |
| */ |
| protected IEditErrorHandler validationEditErrorHandler; |
| /** |
| * The {@link IConfigRegistry} containing the configuration of the |
| * current NatTable instance. This is necessary because the editors in |
| * the current architecture are not aware of the NatTable instance they |
| * are running in. |
| */ |
| protected IConfigRegistry configRegistry; |
| /** |
| * Map that contains custom configurations for this {@link CellEditDialog}. |
| * We do not use the {@link IDialogSettings} provided by JFace, because they are |
| * used to store and load the settings in XML rather than overriding the behaviour. |
| */ |
| protected Map<String, Object> editDialogSettings; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.gui.ICellEditDialog#getEditType() |
| */ |
| @Override |
| public EditTypeEnum getEditType() { |
| //by default the value selected in the wrapped dialog should simply be set to the |
| //data model on commit. |
| return EditTypeEnum.SET; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.gui.ICellEditDialog#calculateValue(java.lang.Object, java.lang.Object) |
| */ |
| @Override |
| public Object calculateValue(final Object currentValue, final Object processValue) { |
| //by default the value selected in the wrapped dialog should simply be set to the |
| //data model on commit. |
| return processValue; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.gui.ICellEditDialog#open() |
| */ |
| @Override |
| public abstract int open(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#activateCell(org.eclipse.swt.widgets.Composite, java.lang.Object, org.eclipse.statet.ecommons.waltable.widget.EditModeEnum, org.eclipse.statet.ecommons.waltable.edit.ICellEditHandler, org.eclipse.statet.ecommons.waltable.layer.cell.ILayerCell, org.eclipse.statet.ecommons.waltable.config.IConfigRegistry) |
| */ |
| @Override |
| public Control activateCell(final Composite parent, |
| final Object originalCanonicalValue, final EditMode editMode, |
| final ICellEditHandler editHandler, final ILayerCell cell, |
| final IConfigRegistry configRegistry) { |
| |
| this.parent= parent; |
| this.layerCell= cell; |
| this.configRegistry= configRegistry; |
| |
| final List<String> configLabels= cell.getConfigLabels().getLabels(); |
| this.displayConverter= configRegistry.getConfigAttribute( |
| CellConfigAttributes.DISPLAY_CONVERTER, DisplayMode.EDIT, configLabels); |
| this.dataValidator= configRegistry.getConfigAttribute( |
| EditConfigAttributes.DATA_VALIDATOR, DisplayMode.EDIT, configLabels); |
| |
| this.conversionEditErrorHandler= EditConfigHelper.getEditErrorHandler( |
| configRegistry, EditConfigAttributes.CONVERSION_ERROR_HANDLER, configLabels); |
| this.validationEditErrorHandler= EditConfigHelper.getEditErrorHandler( |
| configRegistry, EditConfigAttributes.VALIDATION_ERROR_HANDLER, configLabels); |
| |
| this.dialog= createDialogInstance(); |
| |
| setCanonicalValue(originalCanonicalValue); |
| |
| //this method is only needed to initialize the dialog editor, there will be no control to return |
| return null; |
| } |
| |
| /** |
| * Will create the dialog instance that should be wrapped by this {@link AbstractDialogCellEditor}. |
| * Note that you always need to create and return a new instance because on commit or close the |
| * dialog will be closed, which disposes the shell of the dialog. Therefore the instance will not |
| * be usable after commit/close. |
| * @return The dialog instance that should be wrapped by this {@link AbstractDialogCellEditor} |
| */ |
| public abstract Object createDialogInstance(); |
| |
| /** |
| * @return The current dialog instance that is wrapped by this {@link AbstractDialogCellEditor} |
| */ |
| public abstract Object getDialogInstance(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#getEditorValue() |
| */ |
| @Override |
| public abstract Object getEditorValue(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#setEditorValue(java.lang.Object) |
| */ |
| @Override |
| public abstract void setEditorValue(Object value); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#getCanonicalValue() |
| */ |
| @Override |
| public Object getCanonicalValue() { |
| return getCanonicalValue(this.conversionEditErrorHandler); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#getCanonicalValue(org.eclipse.statet.ecommons.waltable.edit.editor.IEditErrorHandler) |
| */ |
| @Override |
| public Object getCanonicalValue(final IEditErrorHandler conversionErrorHandler) { |
| Object canonicalValue; |
| try { |
| if (this.displayConverter != null) { |
| //always do the conversion to check for valid entered data |
| canonicalValue= this.displayConverter.displayToCanonicalValue( |
| this.layerCell, this.configRegistry, getEditorValue()); |
| } else { |
| canonicalValue= getEditorValue(); |
| } |
| |
| //if the conversion succeeded, remove error rendering if exists |
| conversionErrorHandler.removeError(this); |
| } catch (final ConversionFailedException e) { |
| // conversion failed |
| conversionErrorHandler.displayError(this, e); |
| throw e; |
| } catch (final Exception e) { |
| // conversion failed |
| conversionErrorHandler.displayError(this, e); |
| throw new ConversionFailedException(e.getMessage(), e); |
| } |
| return canonicalValue; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#setCanonicalValue(java.lang.Object) |
| */ |
| @Override |
| public void setCanonicalValue(final Object canonicalValue) { |
| Object displayValue; |
| if (this.displayConverter != null) { |
| displayValue= this.displayConverter.canonicalToDisplayValue( |
| this.layerCell, this.configRegistry, canonicalValue); |
| } else { |
| displayValue= canonicalValue; |
| } |
| setEditorValue(displayValue); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#validateCanonicalValue(java.lang.Object) |
| */ |
| @Override |
| public boolean validateCanonicalValue(final Object canonicalValue) { |
| return validateCanonicalValue(canonicalValue, this.validationEditErrorHandler); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#validateCanonicalValue(java.lang.Object, org.eclipse.statet.ecommons.waltable.edit.editor.IEditErrorHandler) |
| */ |
| @Override |
| public boolean validateCanonicalValue(final Object canonicalValue, final IEditErrorHandler validationErrorHandler) { |
| //do the validation if a validator is registered |
| if (this.dataValidator != null) { |
| try { |
| final boolean validationResult= this.dataValidator.validate( |
| this.layerCell, this.configRegistry, canonicalValue); |
| |
| //if the validation succeeded, remove error rendering if exists |
| if (validationResult) { |
| this.validationEditErrorHandler.removeError(this); |
| } else { |
| throw new ValidationFailedException( |
| Messages.getString("AbstractCellEditor.validationFailure")); //$NON-NLS-1$ |
| } |
| return validationResult; |
| } catch (final Exception e) { |
| //validation failed |
| this.validationEditErrorHandler.displayError(this, e); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public boolean commit(final Direction direction) { |
| return commit(direction, true); |
| } |
| |
| @Override |
| public boolean commit(final Direction direction, final boolean closeAfterCommit) { |
| return commit(direction, closeAfterCommit, false); |
| } |
| |
| @Override |
| public boolean commit(final Direction direction, final boolean closeAfterCommit, final boolean skipValidation) { |
| if (this.editHandler != null && this.dialog != null && !isClosed()) { |
| try { |
| //always do the conversion |
| final Object canonicalValue= getCanonicalValue(); |
| if (skipValidation || (!skipValidation && validateCanonicalValue(canonicalValue))) { |
| final boolean committed= this.editHandler.commit(canonicalValue, direction); |
| |
| if (committed && closeAfterCommit) { |
| close(); |
| } |
| |
| return committed; |
| } |
| } |
| catch (final ConversionFailedException e) { |
| //do nothing as exceptions caused by conversion are handled already |
| //we just need this catch block for stopping the process if conversion |
| //failed with an exception |
| } |
| catch (final ValidationFailedException e) { |
| //do nothing as exceptions caused by validation are handled already |
| //we just need this catch block for stopping the process if validation |
| //failed with an exception |
| } |
| catch (final Exception e) { |
| //if another exception occured that wasn't thrown by us, it should at least |
| //be logged without killing the whole application |
| WaLTablePlugin.log(new Status(IStatus.ERROR, WaLTablePlugin.BUNDLE_ID, |
| "Error on updating cell value: " + e.getLocalizedMessage(), e )); //$NON-NLS-1$ |
| } |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.gui.ICellEditDialog#getCommittedValue() |
| */ |
| @Override |
| public Object getCommittedValue() { |
| return this.editHandler.getCommittedValue(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#close() |
| */ |
| @Override |
| public abstract void close(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#isClosed() |
| */ |
| @Override |
| public abstract boolean isClosed(); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#getEditorControl() |
| */ |
| @Override |
| public Control getEditorControl() { |
| //as this editor wraps a dialog, there is no explicit editor control |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#createEditorControl(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| public Control createEditorControl(final Composite parent) { |
| //as this editor wraps a dialog, there is no explicit editor control |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.statet.ecommons.waltable.edit.editor.ICellEditor#openInline(org.eclipse.statet.ecommons.waltable.config.IConfigRegistry, java.util.List) |
| */ |
| @Override |
| public boolean openInline(final IConfigRegistry configRegistry, final List<String> configLabels) { |
| return false; |
| } |
| |
| @Override |
| public boolean supportMultiEdit(final IConfigRegistry configRegistry, final List<String> configLabels) { |
| final Boolean supportMultiEdit= configRegistry.getConfigAttribute( |
| EditConfigAttributes.SUPPORT_MULTI_EDIT, DisplayMode.EDIT, configLabels); |
| return (supportMultiEdit == null || supportMultiEdit); |
| } |
| |
| @Override |
| public boolean openMultiEditDialog() { |
| return true; |
| } |
| |
| @Override |
| public boolean openAdjacentEditor() { |
| //as editing with a dialog should only result in committing the value and then |
| //set the selection to the edited value, it doesn't make sense to open the adjacent editor. |
| return false; |
| } |
| |
| @Override |
| public boolean activateAtAnyPosition() { |
| return true; |
| } |
| |
| @Override |
| public void addEditorControlListeners() { |
| //there is no need for special editor control listeners here |
| } |
| |
| @Override |
| public void removeEditorControlListeners() { |
| //there is no need for special editor control listeners here |
| } |
| |
| @Override |
| public Rectangle calculateControlBounds(final Rectangle cellBounds) { |
| return cellBounds; |
| } |
| |
| @Override |
| public void setDialogSettings(final Map<String, Object> editDialogSettings) { |
| this.editDialogSettings= editDialogSettings; |
| } |
| |
| @Override |
| public long getColumnPosition() { |
| return this.layerCell.getColumnPosition(); |
| } |
| |
| @Override |
| public long getRowPosition() { |
| return this.layerCell.getRowPosition(); |
| } |
| |
| } |