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// $Id$
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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.definedterm;
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import org.apache.commons.lang.StringUtils;
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import org.eclipse.jface.viewers.StyledCellLabelProvider;
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import org.eclipse.jface.viewers.StyledString;
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import org.eclipse.jface.viewers.StyledString.Styler;
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import org.eclipse.jface.viewers.ViewerCell;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.custom.StyleRange;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.graphics.TextStyle;
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import org.eclipse.swt.widgets.Display;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.common.TermBase;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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/**
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* @author l.morris
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* @date 9 Dec 2011
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*
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*/
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public class TermLabelProvider extends StyledCellLabelProvider {
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private static Color vocColor = Display.getCurrent().getSystemColor(
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SWT.COLOR_BLUE);
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private Styler vocStyler;
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider#getStyledText(java.lang.Object)
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*/
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/*
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* (non-Javadoc)
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*
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* @see
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* org.eclipse.jface.viewers.StyledCellLabelProvider#update(org.eclipse.
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* jface.viewers.ViewerCell)
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*/
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@Override
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public void update(ViewerCell cell) {
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Object element = cell.getElement();
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int columnIndex = cell.getColumnIndex();
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String text = getText(element);
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cell.setText(text);
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if (element instanceof TermVocabulary) {
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StyledString styledString = new StyledString(text, getVocabularyStyler());
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StyleRange[] styleRanges;
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styleRanges = styledString.getStyleRanges();
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cell.setStyleRanges(styleRanges);
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}
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super.update(cell);
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}
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public StyledString getStyledText(Object element) {
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if(element instanceof TermVocabulary){
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new StyledString(getText(element), getVocabularyStyler());
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}
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return new StyledString(getText(element), StyledString.QUALIFIER_STYLER);
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
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*/
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public String getText(Object element) {
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if(element instanceof DefinedTermBase){
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DefinedTermBase<?> dtb = (DefinedTermBase<?>)element;
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if (StringUtils.isNotBlank(dtb.getIdInVocabulary())){
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return dtb.getIdInVocabulary() + " : " + dtb.getTitleCache();
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} else{
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return dtb.getTitleCache();
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}
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} else if (element instanceof TermBase){
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return ((TermBase)element).getTitleCache();
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}
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//FIXME : must throw an exception here
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return element.toString();
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}
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private Styler getVocabularyStyler() {
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if (vocStyler == null) {
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vocStyler = new Styler() {
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@Override
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public void applyStyles(TextStyle textStyle) {
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textStyle.foreground = vocColor;
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}
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};
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}
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return vocStyler;
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}
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}
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