Revision 59634b15
Added by Andreas Kohlbecker over 6 years ago
| src/main/java/eu/etaxonomy/vaadin/component/ToManyRelatedEntitiesListSelect.java | ||
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package eu.etaxonomy.vaadin.component; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.List; |
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|
| ... | ... | |
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private GridLayout grid = new GridLayout(GRID_COLS, 1); |
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private boolean creatingFields; |
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public ToManyRelatedEntitiesListSelect(Class<V> itemType, Class<F> fieldType, String caption){
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this.fieldType = fieldType; |
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this.itemType = itemType; |
| ... | ... | |
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} |
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if(newValue != null){
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// newValue is already converted, need to use the original value from the data source |
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isOrderedCollection = List.class.isAssignableFrom(getPropertyDataSource().getValue().getClass()); |
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boolean isListType = List.class.isAssignableFrom(getPropertyDataSource().getValue().getClass()); |
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if(valueInitiallyWasNull && isOrderedCollection != isListType){
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// need to reset the grid in this case, so that the button groups are created correctly |
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grid.setRows(1); |
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grid.removeAllComponents(); |
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} |
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isOrderedCollection = isListType; |
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} |
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createFieldsForData(); |
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if(!creatingFields){
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createFieldsForData(); |
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} |
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} |
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private void createFieldsForData(){
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grid.removeAllComponents(); |
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grid.setRows(1); |
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// for(int r = 0; r < grid.getRows(); r++){
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// grid.getComponent(GRID_X_FIELD, r); |
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// } |
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// grid.removeAllComponents(); |
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// grid.setRows(1); |
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creatingFields = true; |
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List<V> data = getValue(); |
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if(data == null || data.isEmpty()){
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addNewRow(0, null); |
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} else {
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int row = 0; |
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for(V val : data){
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row = addNewRow(row, val); |
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} |
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// addNewRow(0, null); |
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data = Arrays.asList((V)null); |
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} |
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//else {
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for(int row = 0; row < data.size(); row++){
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boolean newRowNeeded = true; |
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if(grid.getRows() > row){
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Component fieldComponent = grid.getComponent(GRID_X_FIELD, row); |
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if(fieldComponent != null){
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newRowNeeded = false; |
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Field field = (Field)fieldComponent; |
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if(data.get(row) != null && field.getValue() != data.get(row)){
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field.setValue(data.get(row)); |
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} |
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} |
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} |
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if(newRowNeeded){
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row = addNewRow(row, data.get(row)); |
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} |
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// } |
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} |
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creatingFields = false; |
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} |
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/** |
| ... | ... | |
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} |
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/** |
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* @param row |
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* @param row the row index, starting from 0.
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* @param val |
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* @return |
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*/ |
| ... | ... | |
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// remove |
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buttonGroup.getComponent(addButtonIndex + 1).setEnabled(field.getValue() != null); |
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// up |
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if(isOrderedCollection){
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if(isOrderedCollection && buttonGroup.getComponentCount() > addButtonIndex + 2){
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buttonGroup.getComponent(addButtonIndex + 2).setEnabled(!isFirst); |
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// down |
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buttonGroup.getComponent(addButtonIndex + 3).setEnabled(!isLast); |
Also available in: Unified diff
fixing loops in ToManyRelatedEntitiesListSelect