Examples with CustomFrame org.pentaho.mantle.client.solutionbrowser.tabs.IFrameTabPanel.CustomFrame used on opensource projects

Example 1 with CustomFrame

use of org.pentaho.mantle.client.solutionbrowser.tabs.IFrameTabPanel.CustomFrame in project pentaho-platform by pentaho.

the class MantleTabPanel method closeTab.

public void closeTab(final PentahoTab closeTab, final boolean invokePreTabCloseHook) {
    if (closeTab.getContent() instanceof IFrameTabPanel) {
        final Element frameElement = ((IFrameTabPanel) closeTab.getContent()).getFrame().getElement();
        String frameId = frameElement.getAttribute("id").replaceAll("\"", "\\\"");
        // #a"b1494409287116 need to be escaped to #a\"b1494409287116.
        if (frameId.indexOf("\"") != -1) {
            frameId = frameId.replaceAll("\"", "");
            frameElement.setAttribute("id", frameId);
        }
        final String finalFrameId = frameId;
        if (invokePreTabCloseHook && hasUnsavedChanges(frameElement)) {
            // prompt user
            VerticalPanel vp = new VerticalPanel();
            // $NON-NLS-1$
            vp.add(new Label(Messages.getString("confirmTabClose")));
            final PromptDialogBox confirmDialog = new PromptDialogBox(Messages.getString("confirm"), Messages.getString("yes"), Messages.getString("no"), false, true, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            vp);
            confirmDialog.setCallback(new IDialogCallback() {

                public void cancelPressed() {
                }

                public void okPressed() {
                    fireCloseTab(finalFrameId);
                    ((CustomFrame) ((IFrameTabPanel) closeTab.getContent()).getFrame()).removeEventListeners(frameElement);
                    clearClosingFrame(frameElement);
                    MantleTabPanel.super.closeTab(closeTab, invokePreTabCloseHook);
                    if (getTabCount() == 0) {
                        allTabsClosed();
                        Widget selectTabContent = null;
                        if (getTab(getSelectedTabIndex()) != null) {
                            selectTabContent = getTab(getSelectedTabIndex()).getContent();
                        }
                        List<FileItem> selectedItems = SolutionBrowserPanel.getInstance().getFilesListPanel().getSelectedFileItems();
                        EventBusUtil.EVENT_BUS.fireEvent(new SolutionBrowserCloseEvent(selectTabContent, selectedItems));
                    }
                }
            });
            confirmDialog.center();
            return;
        }
        fireCloseTab(finalFrameId);
        ((CustomFrame) ((IFrameTabPanel) closeTab.getContent()).getFrame()).removeEventListeners(frameElement);
        clearClosingFrame(frameElement);
    }
    super.closeTab(closeTab, invokePreTabCloseHook);
    // since we can't entirely reclaim the frame resources held, keep some around
    // so we can minimize the extra leakage caused by constantly created more
    // let's only keep 5 of these guys around so at least some of the resources
    // can be cleaned up (maybe just wishful thinking)
    Widget w = closeTab.getContent();
    if (w instanceof IFrameTabPanel && freeFrames.size() < 5) {
        // wipe out any file info so it doesn't impact future usages of this frame
        SolutionFileInfo sfi = null;
        IFrameTabPanel iFrameTabPanel = (IFrameTabPanel) w;
        iFrameTabPanel.setFileInfo(sfi);
        freeFrames.add(iFrameTabPanel);
    }
    if (getTabCount() == 0) {
        allTabsClosed();
        Widget selectTabContent = null;
        if (getTab(getSelectedTabIndex()) != null) {
            selectTabContent = getTab(getSelectedTabIndex()).getContent();
        }
        List<FileItem> selectedItems = SolutionBrowserPanel.getInstance().getFilesListPanel().getSelectedFileItems();
        EventBusUtil.EVENT_BUS.fireEvent(new SolutionBrowserCloseEvent(selectTabContent, selectedItems));
    }
}