Examples with Link org.talend.designer.mapper.ui.visualmap.link.Link used on opensource projects

Example 1 with Link

use of org.talend.designer.mapper.ui.visualmap.link.Link in project tdi-studio-se by Talend.

the class UIManager method parseExpression.

/**
     * 
     * 
     * @param expression
     * @param currentModifiedITableEntry
     * @param linkMustHaveSelectedState
     * @param checkInputKeyAutomatically TODO
     * @param inputExpressionAppliedOrCanceled TODO
     * @param newSelectedDataMapTableView
     * @return true if a link has been added or removed, false else
     */
public ParseExpressionResult parseExpression(String expression, ITableEntry currentModifiedITableEntry, boolean linkMustHaveSelectedState, boolean checkInputKeyAutomatically, boolean inputExpressionAppliedOrCanceled) {
    if (currentModifiedITableEntry instanceof InputColumnTableEntry) {
        InputColumnTableEntry entry = (InputColumnTableEntry) currentModifiedITableEntry;
        if (StringUtils.trimToNull(expression) == null) {
            entry.setOperator(null);
        }
    }
    DataMapTableView dataMapTableView = mapperManager.retrieveDataMapTableView(currentModifiedITableEntry);
    boolean linkHasBeenAdded = false;
    boolean linkHasBeenRemoved = false;
    DataMapExpressionParser dataMapExpressionParser = new DataMapExpressionParser(LanguageProvider.getCurrentLanguage());
    TableEntryLocation[] tableEntriesLocationsSources = dataMapExpressionParser.parseTableEntryLocations(expression);
    Set<TableEntryLocation> alreadyProcessed = new HashSet<TableEntryLocation>();
    Set<ITableEntry> sourcesForTarget = mapperManager.getSourcesForTarget(currentModifiedITableEntry);
    Set<ITableEntry> sourcesForTargetToDelete = new HashSet<ITableEntry>(sourcesForTarget);
    boolean isInputEntry = currentModifiedITableEntry instanceof InputColumnTableEntry;
    ECodeLanguage codeLanguage = LanguageProvider.getCurrentLanguage().getCodeLanguage();
    for (TableEntryLocation tableEntriesLocationsSource : tableEntriesLocationsSources) {
        TableEntryLocation location = tableEntriesLocationsSource;
        // tests to know if link must be removed if key is unchecked
        boolean dontRemoveLink = (!isInputEntry || isInputEntry && (inputExpressionAppliedOrCanceled || !inputExpressionAppliedOrCanceled && !mapperManager.checkEntryHasInvalidUncheckedKey((InputColumnTableEntry) currentModifiedITableEntry)));
        if (!alreadyProcessed.contains(location) && checkSourceLocationIsValid(location, currentModifiedITableEntry) && (mapperManager.isAdvancedMap() || !mapperManager.isAdvancedMap() && dontRemoveLink)) {
            ITableEntry sourceTableEntry = mapperManager.retrieveTableEntry(location);
            sourcesForTargetToDelete.remove(sourceTableEntry);
            if (sourceTableEntry != null && !sourcesForTarget.contains(sourceTableEntry)) {
                DataMapTableView sourceDataMapTableView = mapperManager.retrieveDataMapTableView(sourceTableEntry);
                IMapperLink link = new Link(new PointLinkDescriptor(sourceTableEntry, sourceDataMapTableView.getZone()), new PointLinkDescriptor(currentModifiedITableEntry, dataMapTableView.getZone()), mapperManager);
                link.setState(linkMustHaveSelectedState ? LinkState.SELECTED : LinkState.UNSELECTED);
                mapperManager.addLink(link);
                linkHasBeenAdded = true;
            }
            alreadyProcessed.add(location);
        }
    }
    Set<IMapperLink> targets = mapperManager.getGraphicalLinksFromTarget(currentModifiedITableEntry);
    Set<IMapperLink> linksFromTarget = new HashSet<IMapperLink>(targets);
    for (IMapperLink link : linksFromTarget) {
        if (sourcesForTargetToDelete.contains(link.getPointLinkDescriptor1().getTableEntry())) {
            mapperManager.removeLink(link, link.getPointLinkDescriptor2().getTableEntry());
            linkHasBeenRemoved = true;
        }
    }
    mapperManager.orderLinks();
    if (!mapperManager.isAdvancedMap()) {
        if (dataMapTableView.getZone() == Zone.INPUTS) {
            if (linkHasBeenAdded || linkHasBeenRemoved) {
                checkTargetInputKey(currentModifiedITableEntry, checkInputKeyAutomatically, inputExpressionAppliedOrCanceled);
            }
            if (inputExpressionAppliedOrCanceled) {
                openChangeKeysDialog((InputDataMapTableView) dataMapTableView);
            }
        }
    }
    return new ParseExpressionResult(linkHasBeenAdded, linkHasBeenRemoved);
}