plugins/org.eclipse.gmf.codegen/templates/parsers/PredefinedParser.xpt

/*
 * Copyright (c) 2007, 2009 Borland Software Corporation
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Dmitry Stadnik (Borland) - initial implementation
 *    Artem Tikhomirov (Borland) - [235113] alternative parser access
 *                                 [244419] custom parsers
 *                                 initial API
 */

«IMPORT 'http://www.eclipse.org/gmf/2009/GenModel'»

«EXTENSION impl::parsers::i18n»

«DEFINE Main FOR gmfgen::PredefinedParser»
«EXPAND xpt::Common::copyright FOR holder.editorGen-»
package «holder.implPackageName»;

«EXPAND xpt::Common::generatedClassComment»
public class «className» extends «EXPAND impl::parsers::AbstractParser::qualifiedClassName FOR holder» {

«EXPAND fields»
«EXPAND cons»
«EXPAND aux_methods»
«EXPAND parser_getEditStringMethod»
«EXPAND parser_isValidEditStringMethod»
«EXPAND parser_getParseCommandMethod»
«EXPAND parser_getPrintStringMethod»
«EXPAND parser_isAffectingEventMethod»
«EXPAND parser_getCompletionProcessorMethod»
«EXPAND additions»
}
«ENDDEFINE» 

«DEFINE additions FOR gmfgen::PredefinedParser»«ENDDEFINE»

«DEFINE fields FOR gmfgen::PredefinedParser-»
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT or viewMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
	«EXPAND xpt::Common::generatedMemberComment»
	private String defaultPattern;

	«EXPAND xpt::Common::generatedMemberComment»
	private String defaultEditablePattern;
«ENDIF-»
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT»
	«EXPAND xpt::Common::generatedMemberComment»
	private java.text.MessageFormat viewProcessor;

	«EXPAND xpt::Common::generatedMemberComment»
	private java.text.MessageFormat editorProcessor;
«ENDIF-»
«IF editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT»
	«EXPAND xpt::Common::generatedMemberComment»
	private java.text.MessageFormat editProcessor;
«ENDIF-»
«ENDDEFINE»

«DEFINE cons FOR gmfgen::PredefinedParser-»
	«EXPAND xpt::Common::generatedMemberComment»
	public «className»(org.eclipse.emf.ecore.EAttribute[] features) {
		super(features);
«IF viewMethod = gmfgen::LabelTextAccessMethod::NATIVE or editMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		if (features.length != 1) {
			throw new IllegalArgumentException(java.util.Arrays.toString(features));
		}
«ENDIF-»
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public «className»(org.eclipse.emf.ecore.EAttribute[] features, org.eclipse.emf.ecore.EAttribute[] editableFeatures) {
		super(features, editableFeatures);
«IF viewMethod = gmfgen::LabelTextAccessMethod::NATIVE or editMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		if (features.length != 1) {
			throw new IllegalArgumentException(java.util.Arrays.toString(features));
		}
		if (editableFeatures.length != 1) {
			throw new IllegalArgumentException(java.util.Arrays.toString(editableFeatures));
		}
«ENDIF-»
	}
«ENDDEFINE»

«DEFINE aux_methods FOR gmfgen::PredefinedParser-»
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
	«EXPAND xpt::Common::generatedMemberComment»
	protected String getDefaultPattern() {
		if (defaultPattern == null) {
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < features.length; i++) {
				if (i > 0) {
					sb.append(' ');
				}
				sb.append('{');
				sb.append(i);
				sb.append('}');
			}
			defaultPattern = sb.toString();
		}
		return defaultPattern;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public void setViewPattern(String viewPattern) {
		super.setViewPattern(viewPattern);
		viewProcessor = null;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public void setEditorPattern(String editorPattern) {
		super.setEditorPattern(editorPattern);
		editorProcessor = null;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	protected java.text.MessageFormat getViewProcessor() {
		if (viewProcessor == null) {
			viewProcessor = new java.text.MessageFormat(getViewPattern() == null ? getDefaultPattern() : getViewPattern());
		}
		return viewProcessor;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	protected java.text.MessageFormat getEditorProcessor() {
		if (editorProcessor == null) {
			editorProcessor = new java.text.MessageFormat(getEditorPattern() == null ? getDefaultEditablePattern() : getEditorPattern());
		}
		return editorProcessor;
	}
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
	«EXPAND xpt::Common::generatedMemberComment»
	protected String getDefaultPattern() {
		if (defaultPattern == null) {
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < features.length; i++) {
				if (i > 0) {
					sb.append(' ');
				}
				sb.append('%');
				sb.append(i + 1);
				sb.append('$');
				sb.append('s');
			}
			defaultPattern = sb.toString();
		}
		return defaultPattern;
	}
«ENDIF-»
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT or editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
	«EXPAND xpt::Common::generatedMemberComment»
	protected String getDefaultEditablePattern() {
		if (defaultEditablePattern == null) {
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < editableFeatures.length; i++) {
				if (i > 0) {
					sb.append(' ');
				}
				sb.append('{');
				sb.append(i);
				sb.append('}');
			}
			defaultEditablePattern = sb.toString();
		}
		return defaultEditablePattern;
	}
«ENDIF-»
«IF viewMethod = gmfgen::LabelTextAccessMethod::PRINTF or editMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
	«EXPAND xpt::Common::generatedMemberComment»
	protected String getDefaultEditablePattern() {
		if (defaultEditablePattern == null) {
			StringBuffer sb = new StringBuffer();
			for (int i = 0; i < editableFeatures.length; i++) {
				if (i > 0) {
					sb.append(' ');
				}
				sb.append('%');
				sb.append(i + 1);
				sb.append('$');
				sb.append('s');
			}
			defaultEditablePattern = sb.toString();
		}
		return defaultEditablePattern;
	}
«ENDIF-»
«IF editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
	«EXPAND xpt::Common::generatedMemberComment»
	public void setEditPattern(String editPattern) {
		super.setEditPattern(editPattern);
		editProcessor = null;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	protected java.text.MessageFormat getEditProcessor() {
		if (editProcessor == null) {
			editProcessor = new java.text.MessageFormat(getEditPattern() == null ? getDefaultEditablePattern() : getEditPattern());
		}
		return editProcessor;
	}
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::REGEXP-»
	«EXPAND xpt::Common::generatedMemberComment»
	public String getEditPattern() {
		String pattern = super.getEditPattern();
		return pattern != null ? pattern : " ";«EXPAND xpt::Common::nonNLS»
	}
«ENDIF-»
«ENDDEFINE»

«DEFINE parser_getEditStringMethod FOR gmfgen::PredefinedParser-»
	«EXPAND xpt::Common::generatedMemberComment»
	public String getEditString(org.eclipse.core.runtime.IAdaptable adapter, int flags) {
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
		org.eclipse.emf.ecore.EObject element =	(org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		return getEditorProcessor().format(getEditableValues(element), new StringBuffer(),	new java.text.FieldPosition(0)).toString();
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
		org.eclipse.emf.ecore.EObject element = (org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		String pattern = getEditorPattern() == null ? getDefaultEditablePattern() : getEditorPattern();
		return String.format(pattern, getEditableValues(element));
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::REGEXP-»
		return "";«EXPAND xpt::Common::nonNLS»
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		org.eclipse.emf.ecore.EObject element = (org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		String s = org.eclipse.emf.ecore.util.EcoreUtil.convertToString(editableFeatures[0].getEAttributeType(), element.eGet(editableFeatures[0]));
		return s != null ? s : "";«EXPAND xpt::Common::nonNLS»
«ENDIF-»
	}
«ENDDEFINE»

«DEFINE parser_isValidEditStringMethod FOR gmfgen::PredefinedParser-»
	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus isValidEditString(org.eclipse.core.runtime.IAdaptable adapter, String editString) {
«IF editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
		java.text.ParsePosition pos = new java.text.ParsePosition(0);
		Object[] values = getEditProcessor().parse(editString, pos);
		if (values == null) {
			return new org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus(
					«holder.editorGen.plugin.getActivatorQualifiedClassName()».ID,
					org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus.UNEDITABLE,
					org.eclipse.osgi.util.NLS.bind(
							«EXPAND xpt::Externalizer::accessorCall(i18nKeyForMessageFormatParserInvalidInputError()) FOR holder.editorGen»,
							new Integer(pos.getErrorIndex())));
		}
		return validateNewValues(values);
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
		return org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus.UNEDITABLE_STATUS;
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::REGEXP-»
		if (editString == null) {
			return org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus.UNEDITABLE_STATUS;
		}
		Object[] values = editString.split(getEditPattern());
		return validateNewValues(values);
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		return org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus.EDITABLE_STATUS;
«ENDIF-»
	}
«ENDDEFINE»

«DEFINE parser_getParseCommandMethod FOR gmfgen::PredefinedParser-»
	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.gmf.runtime.common.core.command.ICommand getParseCommand(org.eclipse.core.runtime.IAdaptable adapter, String newString, int flags) {
«IF editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
		Object[] values = getEditProcessor().parse(newString, new java.text.ParsePosition(0));
		return getParseCommand(adapter, values, flags);
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
		return org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand.INSTANCE;
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::REGEXP-»
		if (newString == null) {
			return org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand.INSTANCE;
		}
		Object[] values = newString.split(getEditPattern());
		return super.getParseCommand(adapter, values, flags);
«ELSEIF editMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		Object value = org.eclipse.emf.ecore.util.EcoreUtil.createFromString(editableFeatures[0].getEAttributeType(), newString);
		return getParseCommand(adapter, new Object[] { value }, flags);
«ENDIF-»
	}
«ENDDEFINE»

«DEFINE parser_getPrintStringMethod FOR gmfgen::PredefinedParser-»
	«EXPAND xpt::Common::generatedMemberComment»
	public String getPrintString(org.eclipse.core.runtime.IAdaptable adapter, int flags) {
«IF viewMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT-»
		org.eclipse.emf.ecore.EObject element = (org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		return getViewProcessor().format(getValues(element), new StringBuffer(), new java.text.FieldPosition(0)).toString();
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::PRINTF-»
		org.eclipse.emf.ecore.EObject element = (org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		return String.format(getViewPattern() == null ? getDefaultPattern() : getViewPattern(), getValues(element));
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::REGEXP-»
		return "";«EXPAND xpt::Common::nonNLS»
«ELSEIF viewMethod = gmfgen::LabelTextAccessMethod::NATIVE-»
		org.eclipse.emf.ecore.EObject element = (org.eclipse.emf.ecore.EObject) adapter.getAdapter(org.eclipse.emf.ecore.EObject.class);
		String s = org.eclipse.emf.ecore.util.EcoreUtil.convertToString(features[0].getEAttributeType(), element.eGet(features[0]));
		return s != null ? s : "";«EXPAND xpt::Common::nonNLS»
«ENDIF-»
	}
«ENDDEFINE»

«DEFINE parser_isAffectingEventMethod FOR gmfgen::PredefinedParser-»
«REM»NO-OP, rely on superclass for now«ENDREM-»
«ENDDEFINE»

«DEFINE parser_getCompletionProcessorMethod FOR gmfgen::PredefinedParser-»
«REM»NO-OP, rely on superclass for now«ENDREM-»
«ENDDEFINE»

«DEFINE i18nValues FOR gmfgen::GenParsers-»
«IF (implementations)[gmfgen::PredefinedParser]->exists(p | p.editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT)»
«EXPAND xpt::Externalizer::messageEntry(i18nKeyForMessageFormatParserInvalidInputError(), 'Invalid input at {0}')-»
«ENDIF-»
«ENDDEFINE»

«DEFINE i18nAccessors FOR gmfgen::GenParsers-»
«IF (implementations)[gmfgen::PredefinedParser]->exists(p | p.editMethod = gmfgen::LabelTextAccessMethod::MESSAGE_FORMAT)»
	«EXPAND xpt::Externalizer::accessorField(i18nKeyForMessageFormatParserInvalidInputError())-»
«ENDIF-»
«ENDDEFINE»