Revision 340162f2
Added by Niels Hoffmann about 13 years ago
| eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/key/polytomous/PolytomousKeyListLabelProvider.java | ||
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package eu.etaxonomy.taxeditor.editor.key.polytomous; |
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import org.eclipse.jface.viewers.ITableLabelProvider; |
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import org.eclipse.jface.viewers.StyledCellLabelProvider; |
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import org.eclipse.swt.graphics.Image; |
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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.common.CdmUtils; |
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import eu.etaxonomy.cdm.model.description.KeyStatement; |
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* @created Apr 18, 2011 |
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* @version 1.0 |
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*/ |
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public class PolytomousKeyListLabelProvider extends StyledCellLabelProvider |
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implements ITableLabelProvider {
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public class PolytomousKeyListLabelProvider extends StyledCellLabelProvider {
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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.ITableLabelProvider#getColumnImage(java.lang |
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* .Object, int) |
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*/ |
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@Override |
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public Image getColumnImage(Object element, int columnIndex) {
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return null; |
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} |
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private static Color colorLink = Display.getCurrent().getSystemColor( |
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SWT.COLOR_BLUE); |
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private Styler styler; |
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private static final String EMPTY = ""; |
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// TODO make this configurable via preferences |
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private static final String INCREMENTOR_CHARACTER = "'"; |
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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.ITableLabelProvider#getColumnText(java.lang
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* .Object, int)
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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 String getColumnText(Object element, int columnIndex) {
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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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if (element instanceof PolytomousKeyNode) {
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PolytomousKeyNode node = (PolytomousKeyNode) element; |
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switch (columnIndex) {
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case 0: |
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return getItemNumber(node); |
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case 1: |
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return getItemQuestion(node); |
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case 2: |
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return getItemStatement(node); |
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case 3: |
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return getItemLink(node); |
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String text = getTextForColumnIndex((PolytomousKeyNode) element, |
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columnIndex); |
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cell.setText(text); |
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if (columnIndex == 3) {
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StyledString styledString = new StyledString(text, getStyler()); |
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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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} |
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return null; |
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super.update(cell); |
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} |
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private String getTextForColumnIndex(PolytomousKeyNode node, int columnIndex) {
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switch (columnIndex) {
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case 0: |
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return getItemNumber(node); |
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case 1: |
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return getItemQuestion(node); |
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case 2: |
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return getItemStatement(node); |
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case 3: |
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return getItemLink(node); |
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} |
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return EMPTY; |
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} |
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/** |
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* @return |
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*/ |
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private Styler getStyler() {
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if (styler == null) {
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styler = new Styler() {
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@Override |
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public void applyStyles(TextStyle textStyle) {
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textStyle.underline = true; |
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textStyle.underlineColor = colorLink; |
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textStyle.foreground = colorLink; |
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textStyle.underlineStyle = SWT.UNDERLINE_SINGLE; |
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} |
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}; |
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} |
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return styler; |
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} |
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private String getItemNumber(PolytomousKeyNode node) {
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} else {
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PolytomousKeyNode parent = getParent(node); |
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String itemNumber = parent.getNodeNumber() != null ? parent |
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.getNodeNumber().toString() : "NaN";
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.getNodeNumber().toString() : EMPTY;
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int index = parent.getChildren().indexOf(node); |
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for (int i = 0; i < index; i++) {
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itemNumber += "'";
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itemNumber += INCREMENTOR_CHARACTER;
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} |
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return itemNumber; |
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} else {
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KeyStatement question = getParent(node).getQuestion(); |
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return question != null ? question.getLabelText(CdmStore |
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.getDefaultLanguage()) : "";
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.getDefaultLanguage()) : EMPTY;
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} |
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} |
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private String getItemStatement(PolytomousKeyNode node) {
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KeyStatement statement = node.getStatement(); |
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return statement != null ? CdmUtils.Nz(statement.getLabelText(CdmStore |
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.getDefaultLanguage())) : "No statement";
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.getDefaultLanguage())) : EMPTY;
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} |
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private String getItemLink(PolytomousKeyNode node) {
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String taxonString = node.getTaxon() != null ? node.getTaxon() |
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.getName().getTitleCache() : "Taxon empty";
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.getName().getTitleCache() : EMPTY;
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return node.getChildren().isEmpty() ? taxonString : node |
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.getNodeNumber().toString(); |
Also available in: Unified diff
Link in PolytomousKeyListEditor is recognizable as such; Added a menu