Java tutorial
/* * DBeaver - Universal Database Manager * Copyright (C) 2010-2016 Serge Rieder (serge@jkiss.org) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License (version 2) * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.jkiss.dbeaver.ui.dialogs.data; import org.eclipse.jface.action.IContributionManager; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.*; import org.eclipse.ui.IWorkbenchPartSite; import org.jkiss.code.NotNull; import org.jkiss.code.Nullable; import org.jkiss.dbeaver.DBException; import org.jkiss.dbeaver.Log; import org.jkiss.dbeaver.core.CoreMessages; import org.jkiss.dbeaver.model.DBUtils; import org.jkiss.dbeaver.model.data.DBDValueHandler; import org.jkiss.dbeaver.model.exec.DBCException; import org.jkiss.dbeaver.model.exec.DBCExecutionContext; import org.jkiss.dbeaver.model.struct.*; import org.jkiss.dbeaver.ui.UIUtils; import org.jkiss.dbeaver.ui.dialogs.ColumnInfoPanel; import org.jkiss.dbeaver.ui.data.*; import org.jkiss.dbeaver.ui.data.managers.BaseValueManager; import org.jkiss.utils.CommonUtils; /** * ValueViewDialog * * @author Serge Rider */ public abstract class ValueViewDialog extends Dialog implements IValueEditorStandalone { private static final Log log = Log.getLog(ValueViewDialog.class); private static int dialogCount = 0; public static final String SETTINGS_SECTION_DI = "ValueViewDialog"; private IValueController valueController; private Object editedValue; private boolean columnInfoVisible = true; private ColumnInfoPanel columnPanel; private final IDialogSettings dialogSettings; private boolean opened; protected ValueViewDialog(IValueController valueController) { super(valueController.getValueSite().getShell()); setShellStyle(SWT.SHELL_TRIM); this.valueController = valueController; dialogSettings = UIUtils.getDialogSettings(SETTINGS_SECTION_DI); if (dialogSettings.get(getInfoVisiblePrefId()) != null) { columnInfoVisible = dialogSettings.getBoolean(getInfoVisiblePrefId()); } dialogCount++; } @Override public void createControl() { } protected IDialogSettings getDialogSettings() { return dialogSettings; } @Nullable protected IValueEditor createPanelEditor(final Composite placeholder) throws DBException { IValueEditor editor = valueController.getValueManager().createEditor(new IValueController() { @NotNull @Override public DBCExecutionContext getExecutionContext() { return valueController.getExecutionContext(); } @Override public String getValueName() { return valueController.getValueName(); } @Override public DBSTypedObject getValueType() { return valueController.getValueType(); } @Override public Object getValue() { return valueController.getValue(); } @Override public void updateValue(Object value) { valueController.updateValue(value); } @Override public DBDValueHandler getValueHandler() { return valueController.getValueHandler(); } @Override public IValueManager getValueManager() { return valueController.getValueManager(); } @Override public EditType getEditType() { return EditType.PANEL; } @Override public boolean isReadOnly() { return valueController.isReadOnly(); } @Override public IWorkbenchPartSite getValueSite() { return valueController.getValueSite(); } @Override public Composite getEditPlaceholder() { return placeholder; } @Override public IContributionManager getEditBar() { return null; } @Override public void showMessage(String message, boolean error) { } }); if (editor != null) { editor.createControl(); } return editor; } public IValueController getValueController() { return valueController; } @Override public void showValueEditor() { if (!opened) { open(); } else { getShell().setFocus(); } } @Override public void closeValueEditor() { this.valueController = null; this.setReturnCode(CANCEL); this.close(); } @Override protected Control createDialogArea(Composite parent) { /* SashForm sash = new SashForm(parent, SWT.VERTICAL); sash.setLayoutData(new GridData(GridData.FILL_BOTH)); Composite dialogGroup = (Composite)super.createDialogArea(sash); dialogGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); new ColumnInfoPanel(dialogGroup, SWT.BORDER, getValueController()); Composite editorGroup = (Composite) super.createDialogArea(sash); editorGroup.setLayoutData(new GridData(GridData.FILL_BOTH)); //editorGroup.setLayout(new GridLayout(1, false)); return editorGroup; */ Composite dialogGroup = (Composite) super.createDialogArea(parent); if (valueController instanceof IAttributeController) { final Link columnHideLink = new Link(dialogGroup, SWT.NONE); columnHideLink.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { columnInfoVisible = !columnInfoVisible; dialogSettings.put(getInfoVisiblePrefId(), columnInfoVisible); initColumnInfoVisibility(columnHideLink); getShell().layout(); int width = getShell().getSize().x; getShell().setSize(width, getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT).y); } }); columnPanel = new ColumnInfoPanel(dialogGroup, SWT.BORDER, valueController); columnPanel.setLayoutData(new GridData(GridData.FILL_BOTH)); initColumnInfoVisibility(columnHideLink); } return dialogGroup; } private void initColumnInfoVisibility(Link columnHideLink) { columnPanel.setVisible(columnInfoVisible); ((GridData) columnPanel.getLayoutData()).exclude = !columnInfoVisible; columnHideLink.setText("Column Info: (<a>" + (columnInfoVisible ? "hide" : "show") + "</a>)"); } @Override protected void createButtonsForButtonBar(Composite parent) { // create OK and Cancel buttons by default createButton(parent, IDialogConstants.OK_ID, CoreMessages.dialog_value_view_button_save, true) .setEnabled(!valueController.isReadOnly()); boolean required = false;//valueController.getValueType() instanceof DBSAttributeBase && ((DBSAttributeBase) valueController.getValueType()).isRequired(); createButton(parent, IDialogConstants.IGNORE_ID, CoreMessages.dialog_value_view_button_sat_null, false) .setEnabled(!valueController.isReadOnly() && !DBUtils.isNullValue(valueController.getValue()) && !required); createButton(parent, IDialogConstants.CANCEL_ID, CoreMessages.dialog_value_view_button_cancel, false); } @Override protected void initializeBounds() { super.initializeBounds(); Shell shell = getShell(); String sizeString = dialogSettings.get(getDialogSizePrefId()); if (!CommonUtils.isEmpty(sizeString) && sizeString.contains(":")) { int divPos = sizeString.indexOf(':'); shell.setSize(new Point(Integer.parseInt(sizeString.substring(0, divPos)), Integer.parseInt(sizeString.substring(divPos + 1)))); shell.layout(); } Monitor primary = shell.getMonitor(); Rectangle bounds = primary.getBounds(); Rectangle rect = shell.getBounds(); int x = bounds.x + (bounds.width - rect.width) / 2; int y = bounds.y + (bounds.height - rect.height) / 3; x += dialogCount * 20; y += dialogCount * 20; shell.setLocation(x, y); } private String getInfoVisiblePrefId() { return getClass().getSimpleName() + "-" + CommonUtils.escapeIdentifier(getValueController().getValueType().getTypeName()) + "-columnInfoVisible"; } private String getDialogSizePrefId() { return getClass().getSimpleName() + "-" + CommonUtils.escapeIdentifier(getValueController().getValueType().getTypeName()) + "-dialogSize"; } @Override public final int open() { try { opened = true; int result = super.open(); if (result == IDialogConstants.OK_ID) { getValueController().updateValue(editedValue); } return result; } finally { dialogCount--; this.valueController = null; } } @Override protected void okPressed() { try { editedValue = extractEditorValue(); super.okPressed(); } catch (Exception e) { UIUtils.showErrorDialog(getShell(), CoreMessages.dialog_value_view_dialog_error_updating_title, CoreMessages.dialog_value_view_dialog_error_updating_message, e); super.cancelPressed(); } } @Override protected void buttonPressed(int buttonId) { Point size = getShell().getSize(); String sizeString = size.x + ":" + size.y; dialogSettings.put(getDialogSizePrefId(), sizeString); if (buttonId == IDialogConstants.IGNORE_ID) { if (!valueController.isReadOnly()) { editedValue = BaseValueManager.makeNullValue(valueController); } super.okPressed(); } else { super.buttonPressed(buttonId); } } @Override protected void configureShell(Shell shell) { super.configureShell(shell); if (valueController instanceof IAttributeController) { DBSAttributeBase meta = ((IAttributeController) valueController).getBinding(); shell.setText(meta.getName()); } } @Override public void contributeActions(@NotNull IContributionManager manager, @NotNull IValueController controller) throws DBCException { } }