Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.dialogs; import java.util.List; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import com.amalto.workbench.dialogs.datamodel.IXPathSelectionFilter; import com.amalto.workbench.dialogs.filter.SimpleXPathSelectionFilter; import com.amalto.workbench.editors.DataModelMainPage; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.image.EImage; import com.amalto.workbench.image.ImageCache; public class SimpleXpathInputDialog extends Dialog { private DataModelMainPage parentPage; private String title = "";//$NON-NLS-1$ private String dialogMessage = "";//$NON-NLS-1$ private String initialValue = "";//$NON-NLS-1$ private SelectionListener caller = null; private String xpath = "";//$NON-NLS-1$ private boolean sepFk = false; private String dataModelName; private Button btnSep; private boolean lock; private List<String> pkXPaths; // private ControlDecoration deco; /** * @param parentShell */ public SimpleXpathInputDialog(DataModelMainPage parentPage, String title, String dialogMessage, String initialValue, SelectionListener caller, String dataModelName) { super(parentPage.getSite().getShell()); this.parentPage = parentPage; this.title = title; this.dialogMessage = dialogMessage; this.initialValue = initialValue; this.caller = caller; this.dataModelName = dataModelName; } public void setFkSep(boolean sepFk) { this.sepFk = sepFk; } @Override protected Control createDialogArea(Composite parent) { // Should not really be here but well,.... parent.getShell().setText(this.title); Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = (GridLayout) composite.getLayout(); layout.numColumns = 2; Label dialogMessageLbl = new Label(composite, SWT.NULL); dialogMessageLbl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); dialogMessageLbl.setText(dialogMessage); final Text textControl = new Text(composite, SWT.BORDER | SWT.SINGLE); textControl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); ((GridData) textControl.getLayoutData()).minimumWidth = 300; final ControlDecoration deco = new ControlDecoration(textControl, SWT.TOP | SWT.LEFT); Image image = FieldDecorationRegistry.getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_ERROR) .getImage(); deco.setImage(image); deco.hide(); textControl.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { SimpleXpathInputDialog.this.xpath = textControl.getText(); btnSep.setEnabled(xpath != null && xpath.length() > 0); boolean validXpath = pkXPaths.contains(xpath); if (getButton(IDialogConstants.OK_ID) != null) { getButton(IDialogConstants.OK_ID).setEnabled(validXpath); } if (validXpath) { deco.hide(); } else { deco.show(); deco.setDescriptionText(Messages.InvalidXpathForFK); } } }); Button xpathButton = new Button(composite, SWT.PUSH | SWT.CENTER); xpathButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); xpathButton.setImage(ImageCache.getCreatedImage(EImage.DOTS_BUTTON.getPath())); xpathButton.setToolTipText(Messages.SchematronExpressBuilder_selectXPath); xpathButton.addSelectionListener(new SelectionAdapter() { private IXPathSelectionFilter xpathSelectionFilter; @Override public void widgetSelected(SelectionEvent e) { XpathSelectDialog dlg = getNewXpathSelectDialog(parentPage, dataModelName); // new XpathSelectDialog(parentPage.getSite().getShell(), parentPage.getXObject() // .getParent(), "Select Xpath", parentPage.getSite(), false, dataModelName); dlg.setSelectionFilter(getXPathSelectionFilter()); dlg.setLock(lock); dlg.setBlockOnOpen(true); dlg.open(); if (dlg.getReturnCode() == Window.OK) { textControl.setText(dlg.getXpath()); dlg.close(); } } private IXPathSelectionFilter getXPathSelectionFilter() { if (xpathSelectionFilter == null) { xpathSelectionFilter = new SimpleXPathSelectionFilter(); } return xpathSelectionFilter; } }); textControl.forceFocus(); btnSep = new Button(composite, SWT.CHECK); btnSep.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1)); btnSep.setText(Messages.SimpleXpathInputDialog_sepFkTabPanel); btnSep.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { sepFk = btnSep.getSelection(); } }); // init value textControl.setText(initialValue == null ? "" : initialValue);//$NON-NLS-1$ btnSep.setSelection(sepFk); return composite; } @Override protected void createButtonsForButtonBar(Composite parent) { super.createButtonsForButtonBar(parent); getButton(IDialogConstants.OK_ID).addSelectionListener(this.caller); getButton(IDialogConstants.CANCEL_ID).addSelectionListener(this.caller); getButton(IDialogConstants.OK_ID).setEnabled(false); } protected XpathSelectDialog getNewXpathSelectDialog(DataModelMainPage parentPage, String dataModelName) { return new XpathSelectDialog(parentPage.getSite().getShell(), parentPage.getXObject().getParent(), Messages.SimpleXpathInputDialog_SelectXpath, parentPage.getSite(), false, dataModelName); } @Override protected void okPressed() { setReturnCode(OK); getButton(IDialogConstants.OK_ID).setData("dialog", SimpleXpathInputDialog.this);//$NON-NLS-1$ // no close let Action Handler handle it } @Override protected void cancelPressed() { setReturnCode(CANCEL); getButton(IDialogConstants.CANCEL_ID).setData("dialog", SimpleXpathInputDialog.this);//$NON-NLS-1$ // no close let Action Handler handle it } public String getXpath() { return xpath; } public boolean getSepFk() { return sepFk; } public boolean isLock() { return lock; } public void setLock(boolean lock) { this.lock = lock; } public void setPKXpaths(List<String> allPKXpaths) { this.pkXPaths = allPKXpaths; this.pkXPaths.add(0, ""); } }