Toolbar

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Revision as of 10:27, 3 April 2012 by Samchuang (talk | contribs)

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Purpose

ZK Spreadsheet supports various toolbar buttons for user to perform actions.

Show toolbar

Use Spreadsheet.setShowToolbar to show toolbar.

Action Handler

The Spreadsheet use a default ActionHandler to perform toolbar button's action. Developer could use customized ActionHandler by API Spreadsheet.setActionHandler or by library property org.zkoss.zss.ui.ActionHandler.class, refer to sample zk.xml

Each toolbar's button represent a action, the ActionHandler process action when user click it.


For example, the paste toolbarbutton and menuitem represent Action.PASTE, deveoper could override default behavior by override ActionHandler.doPaste
ZKSsEss Spreadsheet Toolbar paste.png

New Book

ZKSsEss Spreadsheet Toolbar newBook.png
The default ActionHandler does nothing when user click the button, developer could override ActionHandler.doNewBook

	@Override
	public void doNewBook() {
		_spreadsheet.setSrc("/WEB-INF/excel/config/blank.xlsx");
	}

Refer to sample code CustomizedActionHandler.java

Save Book

ZKSsEss Spreadsheet Toolbar saveBook.png
The default ActionHandler does nothing when user click the button, developer could override ActionHandler.doSaveBook

	@Override
	public void doSaveBook() {
		Spreadsheet spreadsheet = getSpreadsheet();
		if (spreadsheet.getBook() != null) {
			final String filePath = Executions.getCurrent().getDesktop().getWebApp().getRealPath(spreadsheet.getSrc());
			
			Exporter exporter = Exporters.getExporter("excel");
			FileOutputStream outputStream = null;
			try {
				outputStream = new FileOutputStream(new File(filePath));
				exporter.export(spreadsheet.getBook(), outputStream);
				try {
					Messagebox.show("Saved");
				} catch (InterruptedException e) {
				}
			} catch (FileNotFoundException e) {
				try {
					Messagebox.show("Save excel failed");
				} catch (InterruptedException e1) {
				}
			} finally {
				if (outputStream != null) {
					try {
						outputStream.close();
					} catch (IOException e) {
					}
				}
			}
		}			
	}

Refer to sample code CustomizedActionHandler.java

Export PDF

ZKSsEss Spreadsheet Toolbar exportPDF.png
The default ActionHandler does nothing when user click the button, developer could override ActionHandler.doExportPDF

	@Override
	public void doExportPDF(Rect selection) {
		Spreadsheet spreadsheet = getSpreadsheet();
		if (spreadsheet.getBook() != null && validSelection(selection)) {
			ExportPDFDialog dialog = new ExportPDFDialog(selection);
                        //omit
		}
	}

Paste Special

ZKSsEss Spreadsheet Toolbar pasteSpecial.png
The default ActionHandler does nothing when user click the button, developer could override ActionHandler.doPasteSpecial

	@Override
	public void doPasteSpecial(Rect selection) {
		if (getClipboard() != null && _spreadsheet.getBook() != null && validSelection(selection)) {
			PasteSpecialDialog dialog = new PasteSpecialDialog(selection);
			//omit
		}
	}

Refer to sample code pasteSpecialDialog.zul and CustomizedActionHandler.java

Custom Sort

ZKSsEss Spreadsheet Toolbar customSort.png
The default ActionHandler does nothing when user click the button, developer could override ActionHandler.doCustomSort

	@Override
	public void doCustomSort(Rect selection) {
		CustomSortDialog dialog = new CustomSortDialog(selection);
		//omit
	}

Refer to sample code customSortDialog.zul and CustomizedActionHandler.java

ZUML

Here is a sample example ZUL file

<zk>
	<window vflex="1" width="100%" apply="org.zkoss.zssessentials.config.ToolbarComposer">
		<button id="toggleToolbar" label="Toggle toolbar"/>
		<spreadsheet showToolbar="true"
			id="ss" vflex="true" width="100%"
			src="/WEB-INF/excel/config/ZSS-demo_sample.xlsx" maxcolumns="40" maxrows="200"
			></spreadsheet>
	</window>
</zk>