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Diffstat (limited to '')
| -rw-r--r-- | odk/examples/DevelopersGuide/Forms/SingleControlValidation.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Forms/SingleControlValidation.java b/odk/examples/DevelopersGuide/Forms/SingleControlValidation.java new file mode 100644 index 000000000..719670031 --- /dev/null +++ b/odk/examples/DevelopersGuide/Forms/SingleControlValidation.java @@ -0,0 +1,171 @@ +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +import com.sun.star.uno.*; +import com.sun.star.beans.*; +import com.sun.star.form.validation.*; + +public class SingleControlValidation implements XFormComponentValidityListener +{ + private DocumentHelper m_document; /// our current test document + private FormLayer m_formLayer; /// quick access to the form layer + + private XPropertySet m_inputField; + private XPropertySet m_inputLabel; + private XPropertySet m_statusField; + private XPropertySet m_explanationField; + private XValidator m_validator; + + /* ------------------------------------------------------------------ */ + public SingleControlValidation( DocumentHelper document, int columnPos, int rowPos, String formComponentService, XValidator validator ) + { + m_document = document; + m_validator = validator; + m_formLayer = new FormLayer( m_document ); + createControls( columnPos, rowPos, formComponentService, 1, 0 ); + } + + /* ------------------------------------------------------------------ */ + public SingleControlValidation( DocumentHelper document, int columnPos, int rowPos, String formComponentService, XValidator validator, int controlCount, int controlHeight ) + { + m_document = document; + m_validator = validator; + m_formLayer = new FormLayer( m_document ); + createControls( columnPos, rowPos, formComponentService, controlCount, controlHeight ); + } + + /* ------------------------------------------------------------------ */ + public XPropertySet getInputField() + { + return m_inputField; + } + + /* ------------------------------------------------------------------ */ + public void setExplanatoryText( String text ) + { + try + { + m_inputLabel.setPropertyValue( "Label", text ); + } + catch( com.sun.star.uno.Exception e ) + { + e.printStackTrace( System.err ); + } + } + + /* ------------------------------------------------------------------ */ + private void createControls( int columnPos, int rowPos, String formComponentService, int controlCount, int controlHeight ) + { + try + { + m_inputLabel = m_formLayer.createControlAndShape( "FixedText", columnPos, rowPos, 70, 12, null ); + m_inputLabel.setPropertyValue( "MultiLine", Boolean.TRUE ); + + com.sun.star.awt.FontDescriptor font = (com.sun.star.awt.FontDescriptor)m_inputLabel.getPropertyValue( "FontDescriptor" ); + font.Weight = com.sun.star.awt.FontWeight.BOLD; + m_inputLabel.setPropertyValue( "FontDescriptor", font ); + + if ( controlHeight == 0 ) + controlHeight = 6; + + int controlPos = rowPos + 12; + XPropertySet[] controls = new XPropertySet[ controlCount ]; + for ( int i = 0; i < controlCount; ++i, controlPos += controlHeight ) + { + controls[ i ] = m_formLayer.createControlAndShape( formComponentService, columnPos, controlPos, 25, controlHeight, null ); + controls[ i ].setPropertyValue( "Name", formComponentService ); + controls[ i ].setPropertyValue( "Tag", String.valueOf( i ) ); + + if ( controls[ i ].getPropertySetInfo().hasPropertyByName( "Border" ) ) + controls[ i ].setPropertyValue( "Border", Short.valueOf( (short)2 ) ); + + XValidatableFormComponent xComp = UnoRuntime.queryInterface( XValidatableFormComponent.class, + controls[ i ] ); + xComp.addFormComponentValidityListener( this ); + } + m_inputField = controls[ 0 ]; + + + controlPos += 4; + XPropertySet xLabel = m_formLayer.createControlAndShape( "FixedText", columnPos, controlPos, 70, 4, null ); + xLabel.setPropertyValue( "Label", "Status:" ); + controlPos += 4; + m_statusField = m_formLayer.createControlAndShape( "FixedText", columnPos, controlPos, 70, 4, null ); + m_statusField.setPropertyValue( "Label", "" ); + + + controlPos += 6; + xLabel = m_formLayer.createControlAndShape( "FixedText", columnPos, controlPos, 70, 4, null ); + xLabel.setPropertyValue( "Label", "Explanation for invalidity:" ); + controlPos += 4; + m_explanationField = m_formLayer.createControlAndShape( "FixedText", columnPos, controlPos, 70, 4, null ); + m_explanationField.setPropertyValue( "Label", "" ); + + XValidatable xValidatable = UnoRuntime.queryInterface( XValidatable.class, m_inputField ); + xValidatable.setValidator( m_validator ); + } + catch( java.lang.Exception e ) + { + e.printStackTrace( System.err ); + } + } + + /* ------------------------------------------------------------------ */ + /* XEventListener overridables */ + /* ------------------------------------------------------------------ */ + public void disposing( com.sun.star.lang.EventObject eventObject ) + { + // not interested in + } + + /* ------------------------------------------------------------------ */ + /* XFormComponentValidityListener overridables */ + /* ------------------------------------------------------------------ */ + public void componentValidityChanged( com.sun.star.lang.EventObject eventObject ) + { + try + { + if ( m_inputField.equals( eventObject.Source ) ) + { + XValidatableFormComponent xComp = UnoRuntime.queryInterface( XValidatableFormComponent.class, + eventObject.Source ); + // the current value + Object value = xComp.getCurrentValue(); + + // the current validity flag + boolean isValid = xComp.isValid(); + + m_statusField.setPropertyValue("Label", isValid ? "valid" : "invalid" ); + m_statusField.setPropertyValue( "TextColor", Integer.valueOf( isValid ? 0x008000 : 0x800000 ) ); + + String validityMessage = ""; + if ( !isValid ) + validityMessage = m_validator.explainInvalid( value ); + m_explanationField.setPropertyValue( "Label", validityMessage ); + } + } + catch( com.sun.star.uno.Exception e ) + { + e.printStackTrace( System.err ); + } + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |