--- /dev/null
+/*
+@VaadinApache2LicenseForJavaFiles@
+ */
+package com.vaadin.terminal.gwt.client.ui;
+
++import java.util.Iterator;
++
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.dom.client.Style.Position;
++import com.google.gwt.event.logical.shared.CloseEvent;
++import com.google.gwt.event.logical.shared.CloseHandler;
+import com.google.gwt.user.client.Command;
++import com.google.gwt.user.client.ui.PopupPanel;
+import com.google.gwt.user.client.ui.Widget;
+import com.vaadin.terminal.gwt.client.AbstractFieldState;
+import com.vaadin.terminal.gwt.client.ApplicationConnection;
+import com.vaadin.terminal.gwt.client.BrowserInfo;
+import com.vaadin.terminal.gwt.client.ComponentConnector;
+import com.vaadin.terminal.gwt.client.ComponentState;
+import com.vaadin.terminal.gwt.client.DirectionalManagedLayout;
+import com.vaadin.terminal.gwt.client.UIDL;
+import com.vaadin.terminal.gwt.client.Util;
++import com.vaadin.terminal.gwt.client.ui.VScrollTable.VScrollTableBody.VScrollTableRow;
+
+public class TableConnector extends AbstractComponentContainerConnector
+ implements DirectionalManagedLayout, PostLayoutListener {
+
++ /**
++ * Used to recall the position of an open context menu if we need to close
++ * and reopen it during a row update.
++ */
++ class ContextMenuDetails {
++ String rowKey;
++ int left;
++ int top;
++
++ ContextMenuDetails(String rowKey, int left, int top) {
++ this.rowKey = rowKey;
++ this.left = left;
++ this.top = top;
++ }
++ }
++
++ protected ContextMenuDetails contextMenu = null;
++
++ @Override
++ protected void init() {
++ super.init();
++
++ // Add a handler to clear saved context menu details when the menu
++ // closes. See #8526.
++ getConnection().getContextMenu().addCloseHandler(
++ new CloseHandler<PopupPanel>() {
++ public void onClose(CloseEvent<PopupPanel> event) {
++ contextMenu = null;
++ }
++ });
++ }
++
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * com.vaadin.terminal.gwt.client.Paintable#updateFromUIDL(com.vaadin.terminal
+ * .gwt.client.UIDL, com.vaadin.terminal.gwt.client.ApplicationConnection)
+ */
+ @Override
+ public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
+ getWidget().rendering = true;
+
++ // If a row has an open context menu, it will be closed as the row is
++ // detached. Retain a reference here so we can restore the menu if
++ // required.
++ ContextMenuDetails contextMenuBeforeUpdate = contextMenu;
++
+ if (uidl.hasAttribute(VScrollTable.ATTRIBUTE_PAGEBUFFER_FIRST)) {
+ getWidget().serverCacheFirst = uidl
+ .getIntAttribute(VScrollTable.ATTRIBUTE_PAGEBUFFER_FIRST);
+ getWidget().serverCacheLast = uidl
+ .getIntAttribute(VScrollTable.ATTRIBUTE_PAGEBUFFER_LAST);
+ } else {
+ getWidget().serverCacheFirst = -1;
+ getWidget().serverCacheLast = -1;
+ }
+ /*
+ * We need to do this before updateComponent since updateComponent calls
+ * this.setHeight() which will calculate a new body height depending on
+ * the space available.
+ */
+ if (uidl.hasAttribute("colfooters")) {
+ getWidget().showColFooters = uidl.getBooleanAttribute("colfooters");
+ }
+
+ getWidget().tFoot.setVisible(getWidget().showColFooters);
+
+ super.updateFromUIDL(uidl, client);
+ if (!isRealUpdate(uidl)) {
+ getWidget().rendering = false;
+ return;
+ }
+
+ getWidget().enabled = isEnabled();
+
+ if (BrowserInfo.get().isIE8() && !getWidget().enabled) {
+ /*
+ * The disabled shim will not cover the table body if it is relative
+ * in IE8. See #7324
+ */
+ getWidget().scrollBodyPanel.getElement().getStyle()
+ .setPosition(Position.STATIC);
+ } else if (BrowserInfo.get().isIE8()) {
+ getWidget().scrollBodyPanel.getElement().getStyle()
+ .setPosition(Position.RELATIVE);
+ }
+
+ getWidget().client = client;
+ getWidget().paintableId = uidl.getStringAttribute("id");
+ getWidget().immediate = getState().isImmediate();
+
+ int previousTotalRows = getWidget().totalRows;
+ getWidget().updateTotalRows(uidl);
+ boolean totalRowsChanged = (getWidget().totalRows != previousTotalRows);
+
+ getWidget().updateDragMode(uidl);
+
+ getWidget().updateSelectionProperties(uidl, getState(), isReadOnly());
+
+ if (uidl.hasAttribute("alb")) {
+ getWidget().bodyActionKeys = uidl.getStringArrayAttribute("alb");
+ } else {
+ // Need to clear the actions if the action handlers have been
+ // removed
+ getWidget().bodyActionKeys = null;
+ }
+
+ getWidget().setCacheRateFromUIDL(uidl);
+
+ getWidget().recalcWidths = uidl.hasAttribute("recalcWidths");
+ if (getWidget().recalcWidths) {
+ getWidget().tHead.clear();
+ getWidget().tFoot.clear();
+ }
+
+ getWidget().updatePageLength(uidl);
+
+ getWidget().updateFirstVisibleAndScrollIfNeeded(uidl);
+
+ getWidget().showRowHeaders = uidl.getBooleanAttribute("rowheaders");
+ getWidget().showColHeaders = uidl.getBooleanAttribute("colheaders");
+
+ getWidget().updateSortingProperties(uidl);
+
+ boolean keyboardSelectionOverRowFetchInProgress = getWidget()
+ .selectSelectedRows(uidl);
+
+ getWidget().updateActionMap(uidl);
+
+ getWidget().updateColumnProperties(uidl);
+
+ UIDL ac = uidl.getChildByTagName("-ac");
+ if (ac == null) {
+ if (getWidget().dropHandler != null) {
+ // remove dropHandler if not present anymore
+ getWidget().dropHandler = null;
+ }
+ } else {
+ if (getWidget().dropHandler == null) {
+ getWidget().dropHandler = getWidget().new VScrollTableDropHandler();
+ }
+ getWidget().dropHandler.updateAcceptRules(ac);
+ }
+
+ UIDL partialRowAdditions = uidl.getChildByTagName("prows");
+ UIDL partialRowUpdates = uidl.getChildByTagName("urows");
+ if (partialRowUpdates != null || partialRowAdditions != null) {
+ // we may have pending cache row fetch, cancel it. See #2136
+ getWidget().rowRequestHandler.cancel();
+
+ getWidget().updateRowsInBody(partialRowUpdates);
+ getWidget().addAndRemoveRows(partialRowAdditions);
+ } else {
+ UIDL rowData = uidl.getChildByTagName("rows");
+ if (rowData != null) {
+ // we may have pending cache row fetch, cancel it. See #2136
+ getWidget().rowRequestHandler.cancel();
+
+ if (!getWidget().recalcWidths
+ && getWidget().initializedAndAttached) {
+ getWidget().updateBody(rowData,
+ uidl.getIntAttribute("firstrow"),
+ uidl.getIntAttribute("rows"));
+ if (getWidget().headerChangedDuringUpdate) {
+ getWidget().triggerLazyColumnAdjustment(true);
+ } else if (!getWidget().isScrollPositionVisible()
+ || totalRowsChanged
+ || getWidget().lastRenderedHeight != getWidget().scrollBody
+ .getOffsetHeight()) {
+ // webkits may still bug with their disturbing scrollbar
+ // bug, see #3457
+ // Run overflow fix for the scrollable area
+ // #6698 - If there's a scroll going on, don't abort it
+ // by changing overflows as the length of the contents
+ // *shouldn't* have changed (unless the number of rows
+ // or the height of the widget has also changed)
+ Scheduler.get().scheduleDeferred(new Command() {
+ public void execute() {
+ Util.runWebkitOverflowAutoFix(getWidget().scrollBodyPanel
+ .getElement());
+ }
+ });
+ }
+ } else {
+ getWidget().initializeRows(uidl, rowData);
+ }
+ }
+ }
+
++ // If a row had an open context menu before the update, and after the
++ // update there's a row with the same key as that row, restore the
++ // context menu. See #8526.
++ showSavedContextMenu(contextMenuBeforeUpdate);
++
+ if (!getWidget().isSelectable()) {
+ getWidget().scrollBody.addStyleName(VScrollTable.CLASSNAME
+ + "-body-noselection");
+ } else {
+ getWidget().scrollBody.removeStyleName(VScrollTable.CLASSNAME
+ + "-body-noselection");
+ }
+
+ getWidget().hideScrollPositionAnnotation();
+
+ // selection is no in sync with server, avoid excessive server visits by
+ // clearing to flag used during the normal operation
+ if (!keyboardSelectionOverRowFetchInProgress) {
+ getWidget().selectionChanged = false;
+ }
+
+ /*
+ * This is called when the Home or page up button has been pressed in
+ * selectable mode and the next selected row was not yet rendered in the
+ * client
+ */
+ if (getWidget().selectFirstItemInNextRender
+ || getWidget().focusFirstItemInNextRender) {
+ getWidget().selectFirstRenderedRowInViewPort(
+ getWidget().focusFirstItemInNextRender);
+ getWidget().selectFirstItemInNextRender = getWidget().focusFirstItemInNextRender = false;
+ }
+
+ /*
+ * This is called when the page down or end button has been pressed in
+ * selectable mode and the next selected row was not yet rendered in the
+ * client
+ */
+ if (getWidget().selectLastItemInNextRender
+ || getWidget().focusLastItemInNextRender) {
+ getWidget().selectLastRenderedRowInViewPort(
+ getWidget().focusLastItemInNextRender);
+ getWidget().selectLastItemInNextRender = getWidget().focusLastItemInNextRender = false;
+ }
+ getWidget().multiselectPending = false;
+
+ if (getWidget().focusedRow != null) {
+ if (!getWidget().focusedRow.isAttached()
+ && !getWidget().rowRequestHandler.isRunning()) {
+ // focused row has been orphaned, can't focus
+ getWidget().focusRowFromBody();
+ }
+ }
+
+ getWidget().tabIndex = uidl.hasAttribute("tabindex") ? uidl
+ .getIntAttribute("tabindex") : 0;
+ getWidget().setProperTabIndex();
+
+ getWidget().resizeSortedColumnForSortIndicator();
+
+ // Remember this to detect situations where overflow hack might be
+ // needed during scrolling
+ getWidget().lastRenderedHeight = getWidget().scrollBody
+ .getOffsetHeight();
+
+ getWidget().rendering = false;
+ getWidget().headerChangedDuringUpdate = false;
+
+ }
+
+ @Override
+ protected Widget createWidget() {
+ return GWT.create(VScrollTable.class);
+ }
+
+ @Override
+ public VScrollTable getWidget() {
+ return (VScrollTable) super.getWidget();
+ }
+
+ public void updateCaption(ComponentConnector component) {
+ // NOP, not rendered
+ }
+
+ public void layoutVertically() {
+ getWidget().updateHeight();
+ }
+
+ public void layoutHorizontally() {
+ getWidget().updateWidth();
+ }
+
+ public void postLayout() {
+ getWidget().sizeInit();
+ }
+
+ @Override
+ public boolean isReadOnly() {
+ return super.isReadOnly() || getState().isPropertyReadOnly();
+ }
+
+ @Override
+ public AbstractFieldState getState() {
+ return (AbstractFieldState) super.getState();
+ }
+
+ @Override
+ protected ComponentState createState() {
+ return GWT.create(AbstractFieldState.class);
+ }
+
++ /**
++ * Shows a saved row context menu if the row for the context menu is still
++ * visible. Does nothing if a context menu has not been saved.
++ *
++ * @param savedContextMenu
++ */
++ public void showSavedContextMenu(ContextMenuDetails savedContextMenu) {
++ if (isEnabled() && savedContextMenu != null) {
++ Iterator<Widget> iterator = getWidget().scrollBody.iterator();
++ while (iterator.hasNext()) {
++ Widget w = iterator.next();
++ VScrollTableRow row = (VScrollTableRow) w;
++ if (row.getKey().equals(savedContextMenu.rowKey)) {
++ contextMenu = savedContextMenu;
++ getConnection().getContextMenu().showAt(row,
++ savedContextMenu.left, savedContextMenu.top);
++ }
++ }
++ }
++ }
++
+}
projects / vaadin-framework.git / commitdiff