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.dialogs.MessageDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.xsd.XSDElementDeclaration; import org.eclipse.xsd.XSDIdentityConstraintCategory; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.utils.inputvalidator.NewXSDIndentityConstraintValidator; public class IdentityConstraintInputDialog extends Dialog { private CLabel typeCLabel = null; private CCombo fieldNameCombo = null; private String keyName = "";//$NON-NLS-1$ private String fieldName = "";//$NON-NLS-1$ private XSDIdentityConstraintCategory type; private List<String> deElements; // private SelectionListener caller = null; private String title = "";//$NON-NLS-1$ private Text keyNameText; private XSDElementDeclaration keyContainer; private NewXSDIndentityConstraintValidator inputValidator; /** * @param parentShell */ // public IdentityConstraintInputDialog(SelectionListener caller, Shell parentShell, String title,List<String> // deElements, String keyName) { // this(caller,parentShell,title,keyName,XSDIdentityConstraintCategory.KEY_LITERAL,deElements); // } public IdentityConstraintInputDialog(XSDElementDeclaration keyContainer, Shell parentShell, String title, List<String> deElements, String keyName) { this(keyContainer, parentShell, title, keyName, XSDIdentityConstraintCategory.KEY_LITERAL, deElements); } /** * @param parentShell */ // public IdentityConstraintInputDialog( // SelectionListener caller, // Shell parentShell, // String title, // String keyName, // XSDIdentityConstraintCategory type, // List<String> deElements // ) { // super(parentShell); // // this.caller = caller; // this.title = title; // this.keyName = keyName; // this.type = type; // this.deElements = deElements; // } public IdentityConstraintInputDialog(XSDElementDeclaration keyContainer, Shell parentShell, String title, String keyName, XSDIdentityConstraintCategory type, List<String> deElements) { super(parentShell); // this.caller = caller; this.keyContainer = keyContainer; this.title = title; this.keyName = keyName; this.type = type; this.deElements = deElements; inputValidator = new NewXSDIndentityConstraintValidator(keyContainer.getSchema()); } 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; // layout.verticalSpacing = 10; Label Label = new Label(composite, SWT.NONE); Label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); Label.setText(Messages.IdentityConstraintInputDialog_KeyName); keyNameText = new Text(composite, SWT.BORDER); keyNameText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); keyNameText.setText(keyName); Label serverLabel = new Label(composite, SWT.NONE); serverLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); serverLabel.setText(Messages.IdentityConstraintInputDialog_FieldName); fieldNameCombo = new CCombo(composite, SWT.DROP_DOWN | SWT.BORDER | SWT.READ_ONLY); fieldNameCombo.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); fieldNameCombo.setItems(deElements.toArray(new String[deElements.size()])); if (deElements.size() > 0) fieldNameCombo.select(0); Label typeLabel = new Label(composite, SWT.NONE); typeLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1)); typeLabel.setText(Messages.IdentityConstraintInputDialog_Type); typeCLabel = new CLabel(composite, SWT.BORDER); typeCLabel.setText("Unique Key");//$NON-NLS-1$ typeCLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1)); keyNameText.setEditable(false); return composite; } protected void createButtonsForButtonBar(Composite parent) { // super.createButtonsForButtonBar(parent); // getButton(IDialogConstants.OK_ID).addSelectionListener(this.caller); // /* // createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, // true); // createButton(parent, IDialogConstants.CANCEL_ID, // IDialogConstants.CANCEL_LABEL, false); // */ createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); } protected void okPressed() { // keyName = keyNameText.getText(); fieldName = fieldNameCombo.getText().trim(); keyName = keyNameText.getText().trim(); if ((keyName == null) || ("".equals(keyName))) {//$NON-NLS-1$ MessageDialog.openError(this.getShell(), Messages._Error, Messages.IdentityConstraintInputDialog_KeyNameCannotbeEmpty); setReturnCode(-1); keyNameText.setFocus(); // fieldNameCombo.setFocus(); return; } if (keyName.replaceAll("\\s", "").length() != keyName.length()) {//$NON-NLS-1$//$NON-NLS-2$ MessageDialog.openError(this.getShell(), Messages._Error, Messages.IdentityConstraintInputDialog_KeyNameCannotContainEmpty); setReturnCode(-1); keyNameText.setFocus(); return; } if (fieldName.replaceAll("\\s", "").length() != fieldName.length()) {//$NON-NLS-1$//$NON-NLS-2$ MessageDialog.openError(this.getShell(), Messages._Error, Messages.IdentityConstraintInputDialog_FieldNameCannotbeEmpty); setReturnCode(-1); fieldNameCombo.setFocus(); return; } // if ((fieldName==null) || ("".equals(fieldName))) { // MessageDialog.openError( // this.getShell(), // "Error", "The Field Name cannot be empty" // ); // setReturnCode(-1); // //keyNameText.setFocus(); // fieldNameCombo.setFocus(); // return; // } // String selection = (typeCombo.getText()).toUpperCase(); // if (selection.indexOf("UNIQUE")>=0) // type = XSDIdentityConstraintCategory.UNIQUE_LITERAL; // else if (selection.indexOf("FOREIGN")>=0) // type = XSDIdentityConstraintCategory.KEYREF_LITERAL; // else // type = XSDIdentityConstraintCategory.KEY_LITERAL; type = getTypeFromUI(); // setReturnCode(OK); // //no close let Action Handler handle it super.okPressed(); } private XSDIdentityConstraintCategory getTypeFromUI() { return XSDIdentityConstraintCategory.UNIQUE_LITERAL; } public String getKeyName() { return keyName; } public XSDIdentityConstraintCategory getType() { return type; } public String getFieldName() { return fieldName; } public void setInputValidator(NewXSDIndentityConstraintValidator inputValidator) { this.inputValidator = inputValidator; } protected void buttonPressed(int buttonId) { if (buttonId == IDialogConstants.OK_ID) { if (!validInput()) return; } super.buttonPressed(buttonId); } private boolean validInput() { if ("".equals(keyNameText.getText().trim())) {//$NON-NLS-1$ MessageDialog.openError(this.getShell(), Messages._Error, Messages.IdentityConstraintInputDialog_KeyNameCannotbeEmpty); keyNameText.setFocus(); return false; } if (inputValidator != null) { String errMsg = inputValidator.isValid(keyNameText.getText().trim(), getTypeFromUI(), this.keyContainer); if (errMsg != null) { MessageDialog.openError(this.getShell(), Messages._Error, errMsg); return false; } } return true; } }