Examples of com.vaadin.terminal.gwt.client.ui.VScrollTable.VScrollTableBody.VScrollTableRow

Package com.vaadin.terminal.gwt.client.ui.VScrollTable.VScrollTableBody

Examples of com.vaadin.terminal.gwt.client.ui.VScrollTable.VScrollTableBody.VScrollTableRow

com.vaadin.terminal.gwt.client.ui.VScrollTable.VScrollTableBody.VScrollTableRow

                            (Element) scrollBody.tBodyElement.cast(), true);
                    Element dragImage = ev.getDragImage();
                    int i = 0;
                    for (Iterator<Widget> iterator = scrollBody.iterator(); iterator
                            .hasNext();) {
                        VScrollTableRow next = (VScrollTableRow) iterator
                                .next();
                        Element child = (Element) dragImage.getChild(i++);
                        if (!selectedRowKeys.contains("" + next.rowKey)) {
                            child.getStyle().setVisibility(Visibility.HIDDEN);
                        }

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                    toggleSelection();
                    return;
                }


                // Set the selectable range
                VScrollTableRow endRow = this;
                VScrollTableRow startRow = selectionRangeStart;
                if (startRow == null) {
                    startRow = focusedRow;
                    // If start row is null then we have a multipage selection
                    // from
                    // above
                    if (startRow == null) {
                        startRow = (VScrollTableRow) scrollBody.iterator()
                                .next();
                        setRowFocus(endRow);
                    }
                }
                // Deselect previous items if so desired
                if (deselectPrevious) {
                    deselectAll();
                }


                // we'll ensure GUI state from top down even though selection
                // was the opposite way
                if (!startRow.isBefore(endRow)) {
                    VScrollTableRow tmp = startRow;
                    startRow = endRow;
                    endRow = tmp;
                }
                SelectionRange range = new SelectionRange(startRow, endRow);


                for (Widget w : scrollBody) {
                    VScrollTableRow row = (VScrollTableRow) w;
                    if (range.inRange(row)) {
                        if (!row.isSelected()) {
                            row.toggleSelection();
                        }
                        selectedRowKeys.add(row.getKey());
                    }
                }


                // Add range
                if (startRow != endRow) {

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                // FIXME should focus first visible from top, not first rendered
                // ??
                return setRowFocus((VScrollTableRow) scrollBody.iterator()
                        .next());
            } else {
                VScrollTableRow next = getNextRow(focusedRow, offset);
                if (next != null) {
                    return setRowFocus(next);
                }
            }
        }

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                // FIXME logic is exactly the same as in moveFocusDown, should
                // be the opposite??
                return setRowFocus((VScrollTableRow) scrollBody.iterator()
                        .next());
            } else {
                VScrollTableRow prev = getPreviousRow(focusedRow, offset);
                if (prev != null) {
                    return setRowFocus(prev);
                } else {
                    VConsole.log("no previous available");
                }

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            // clean selectedRowKeys so that they don't contain excess values
            for (Iterator<String> iterator = selectedRowKeys.iterator(); iterator
                    .hasNext();) {
                String key = iterator.next();
                VScrollTableRow renderedRowByKey = getRenderedRowByKey(key);
                if (renderedRowByKey != null) {
                    for (SelectionRange range : selectedRowRanges) {
                        if (range.inRange(renderedRowByKey)) {
                            iterator.remove();
                        }

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                while (iterator.hasNext()) {
                    /*
                     * Make the focus reflect to the server side state unless we
                     * are currently selecting multiple rows with keyboard.
                     */
                    VScrollTableRow row = (VScrollTableRow) iterator.next();
                    boolean selected = selectedKeys.contains(row.getKey());
                    if (!selected
                            && unSyncedselectionsBeforeRowFetch != null
                            && unSyncedselectionsBeforeRowFetch.contains(row
                                    .getKey())) {
                        selected = true;
                        keyboardSelectionOverRowFetchInProgress = true;
                    }
                    if (selected != row.isSelected()) {
                        row.toggleSelection();
                    }
                }
            }
        }
        unSyncedselectionsBeforeRowFetch = null;

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    private void focusRowFromBody() {
        if (selectedRowKeys.size() == 1) {
            // try to focus a row currently selected and in viewport
            String selectedRowKey = selectedRowKeys.iterator().next();
            if (selectedRowKey != null) {
                VScrollTableRow renderedRow = getRenderedRowByKey(selectedRowKey);
                if (renderedRow == null || !renderedRow.isInViewPort()) {
                    setRowFocus(scrollBody.getRowByRowIndex(firstRowInViewPort));
                } else {
                    setRowFocus(renderedRow);
                }
            }

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     * @param focusOnly
     *            Should the focus only be moved to the last row
     */
    private void selectLastRenderedRowInViewPort(boolean focusOnly) {
        int index = firstRowInViewPort + getFullyVisibleRowCount();
        VScrollTableRow lastRowInViewport = scrollBody.getRowByRowIndex(index);
        if (lastRowInViewport == null) {
            // this should not happen in normal situations (white space at the
            // end of viewport). Select the last rendered as a fallback.
            lastRowInViewport = scrollBody.getRowByRowIndex(scrollBody
                    .getLastRendered());

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     * @param focusOnly
     *            Should the focus only be moved to the first row
     */
    private void selectFirstRenderedRowInViewPort(boolean focusOnly) {
        int index = firstRowInViewPort;
        VScrollTableRow firstInViewport = scrollBody.getRowByRowIndex(index);
        if (firstInViewport == null) {
            // this should not happen in normal situations
            return;
        }
        setRowFocus(firstInViewport);

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     * @return
     */
    protected VScrollTableRow getRenderedRowByKey(String key) {
        if (scrollBody != null) {
            final Iterator<Widget> it = scrollBody.iterator();
            VScrollTableRow r = null;
            while (it.hasNext()) {
                r = (VScrollTableRow) it.next();
                if (r.getKey().equals(key)) {
                    return r;
                }
            }
        }
        return null;

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