Examples with IExtremityLink org.talend.commons.ui.swt.drawing.link.IExtremityLink used on opensource projects

Example 6 with IExtremityLink

use of org.talend.commons.ui.swt.drawing.link.IExtremityLink in project tdi-studio-se by Talend.

the class JSONFileSchema2TreeLinker method updateLinksStyleAndControlsSelection.

public void updateLinksStyleAndControlsSelection(Control currentControl, boolean lastOne) {
    // super.updateLinksStyleAndControlsSelection(currentControl);
    boolean isTarget = false;
    if (getSource() != currentControl) {
        isTarget = true;
    } else {
        isTarget = false;
    }
    HashSet selectedItems = new HashSet();
    Map itemsToSelect = new HashMap();
    if (isTarget) {
        getTarget().deselectAll();
        TreeItem[] selection = getTarget().getSelection();
        for (int i = 0; i < selection.length; i++) {
            TreeItem tableItem = selection[i];
            selectedItems.add(tableItem.getData());
        }
    } else {
        TableItem[] selection = getSource().getSelection();
        for (int i = 0; i < selection.length; i++) {
            TableItem treeItem = selection[i];
            selectedItems.add(treeItem.getData());
        }
    }
    List<LinkDescriptor<Item, Object, Tree, Object>> links = linksManager.getLinks();
    for (LinkDescriptor<Item, Object, Tree, Object> link : links) {
        IStyleLink styleLink = null;
        IExtremityLink extremity = null;
        IExtremityLink otherExtremity = null;
        if (isTarget) {
            extremity = link.getExtremity2();
            otherExtremity = link.getExtremity1();
        } else {
            extremity = link.getExtremity1();
            otherExtremity = link.getExtremity2();
        }
        boolean currentItemIsSelected = selectedItems.contains(extremity.getDataItem());
        if (extremity.getGraphicalObject() == jsonViewer.getTree() || otherExtremity.getGraphicalObject() == jsonViewer.getTree()) {
            styleLink = getSelectedLoopStyleLink();
        } else {
            if (currentItemIsSelected) {
                styleLink = getSelectedStyleLink();
                if (isTarget) {
                    itemsToSelect.put((TableItem) otherExtremity.getGraphicalObject(), null);
                } else {
                    Table currentTable = (Table) otherExtremity.getGraphicalObject();
                    List<TableItem> tableItemsToSelect = (List<TableItem>) itemsToSelect.get(currentTable);
                    if (tableItemsToSelect == null) {
                        tableItemsToSelect = new ArrayList<TableItem>();
                        itemsToSelect.put(currentTable, tableItemsToSelect);
                    }
                    TableItem tableItem = TableUtils.getTableItem(currentTable, otherExtremity.getDataItem());
                    tableItemsToSelect.add(tableItem);
                }
            } else {
                styleLink = getUnselectedStyleLink();
            }
        }
        if (styleLink == null) {
            styleLink = getDefaultStyleLink();
        }
        link.setStyleLink(styleLink);
    }
    if (isTarget) {
        (getSource()).setSelection((TableItem[]) itemsToSelect.keySet().toArray(new TableItem[0]));
    } else {
        Set<Table> set = itemsToSelect.keySet();
        if (set.size() > 0) {
            for (Table table : set) {
                ArrayList<TableItem> tableItemsToSelect = (ArrayList<TableItem>) itemsToSelect.get(table);
                table.deselectAll();
                TableItem[] tableItems = (TableItem[]) tableItemsToSelect.toArray(new TableItem[0]);
                table.setSelection(tableItems);
            }
        } else {
            jsonViewer.getTree().deselectAll();
        }
    }
    getLinksManager().sortLinks(getDrawingLinksComparator());
    // for bug 9279
    if (lastOne) {
        getBackgroundRefresher().refreshBackground();
    }
}