package org.argeo.connect.ui;
   
   import javax.jcr.Node;
   
   import org.argeo.cms.Localized;
   import org.argeo.cms.util.CmsUtils;
   import org.argeo.connect.util.ConnectJcrUtils;
   import org.argeo.connect.util.ConnectUtils;
   //import org.argeo.connect.workbench.AppWorkbenchService;
  import org.argeo.eclipse.ui.EclipseUiUtils;
  import org.eclipse.jface.viewers.TableViewer;
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.layout.FormAttachment;
  import org.eclipse.swt.layout.FormData;
  import org.eclipse.swt.layout.GridData;
  import org.eclipse.swt.layout.GridLayout;
  import org.eclipse.swt.layout.RowData;
  import org.eclipse.swt.widgets.Button;
  import org.eclipse.swt.widgets.Composite;
  import org.eclipse.swt.widgets.Label;
  import org.eclipse.swt.widgets.Table;
  import org.eclipse.swt.widgets.Text;
  
  /** Helper methods for various Connect UIs */
  public class ConnectUiUtils {
  	/** simply add an empty line in a grid data to give some air */
  	public static Label addEmptyLine(Composite parent, int height, int colSpan) {
  		// Empty line that act as a padding
  		Label emptyLbl = new Label(parent, SWT.NONE);
  		emptyLbl.setText("");
  		GridData gd = EclipseUiUtils.fillWidth(colSpan);
  		gd.heightHint = height;
  		emptyLbl.setLayoutData(gd);
  		return emptyLbl;
  	}
  
  	/**
  	 * Calls <code>ConnectJcrUtils.get(Node node, String propName)</code> method and
  	 * replace any '&' by its html encoding '&amp;' to avoid
  	 * <code>IllegalArgumentException</code> while rendering html read only snippets
  	 */
  	public static String getRwtCompliantString(Node node, String propName) {
  		String value = ConnectJcrUtils.get(node, propName);
  		value = ConnectUtils.replaceAmpersand(value);
  		return value;
  	}
  
  	/**
  	 * Dispose all control children of this composite. Useful for violent refreshes.
  	 * 
  	 * @param parent
  	 */
  	// public static void disposeAllChildren(Composite parent) {
  	// // We redraw the full control at each refresh, might be a more
  	// // efficient way to do
  	// Control[] oldChildren = parent.getChildren();
  	// for (Control child : oldChildren)
  	// child.dispose();
  	// }
  
  	public static boolean isNumbers(String content) {
  		int length = content.length();
  		for (int i = 0; i < length; i++) {
  			char ch = content.charAt(i);
  			if (!Character.isDigit(ch)) {
  				return false;
  			}
  		}
  		return true;
  	}
  
  	/**
  	 * Shortcut to create a {@link GridLayout} with the given column number with no
  	 * margin and no spacing (default are normally 5 px). makeColumnsEqualWidth
  	 * parameter is set to false.
  	 */
  	public static GridLayout noSpaceGridLayout(int nbOfCol) {
  		GridLayout gl = new GridLayout(nbOfCol, false);
  		gl.marginWidth = gl.marginHeight = gl.horizontalSpacing = gl.verticalSpacing = 0;
  		return gl;
  	}
  
  	/**
  	 * Shortcut to refresh the value of a <code>Text</code> given a Node and a
  	 * property Name
  	 */
  	public static String refreshTextWidgetValue(Text text, Node entity, String propName) {
  		String tmpStr = ConnectJcrUtils.get(entity, propName);
  		if (EclipseUiUtils.notEmpty(tmpStr))
  			text.setText(tmpStr);
  		return tmpStr;
  	}
  
  	/**
  	 * Cleans a String by replacing any '&' by its HTML encoding '&nbsp;' to insure
  	 * they are displayed in SWT.Link controls
  	 */
  	public static String replaceAmpersandforSWTLink(String value) {
  		value = value.replaceAll("&", "&&");
 		return value;
 	}
 
 	/**
 	 * Creates a basic right-aligned vertical-centered bold label with no specific
 	 * toolkit.
 	 */
 	public static Label createBoldLabel(Composite parent, String value) {
 		Label label = new Label(parent, SWT.LEAD);
 		label.setText(" " + value);
 		label.setFont(EclipseUiUtils.getBoldFont(parent));
 		label.setLayoutData(new GridData(SWT.LEAD, SWT.CENTER, false, false));
 		return label;
 	}
 
 	public static Label createBoldLabel(Composite parent, Localized localized) {
 		Label label = new Label(parent, SWT.LEAD);
 		label.setText(localized.lead());
 		label.setFont(EclipseUiUtils.getBoldFont(parent));
 		label.setLayoutData(new GridData(SWT.LEAD, SWT.CENTER, false, false));
 		return label;
 	}
 
 	/**
 	 * Creates a basic right aligned bold label with no specific toolkit. precise
 	 * vertical alignment
 	 */
 	public static Label createBoldLabel(Composite parent, String value, int verticalAlign) {
 		Label label = new Label(parent, SWT.LEAD);
 		label.setText(" " + value);
 		label.setFont(EclipseUiUtils.getBoldFont(parent));
 		label.setLayoutData(new GridData(SWT.LEAD, verticalAlign, false, false));
 		return label;
 	}
 
 	/**
 	 * Shortcut to create a delete button that will be used in composites that
 	 * display a multi value property in tag-like manner
 	 */
 	public static Button createDeleteButton(Composite parent) {
 		Button button = new Button(parent, SWT.FLAT | SWT.PUSH);
 		CmsUtils.style(button, ConnectUiStyles.SMALL_DELETE_BTN);
 		RowData rd = new RowData();
 		rd.height = 8;
 		rd.width = 8;
 		button.setLayoutData(rd);
 		return button;
 	}
 
 	/** Creates a text widget with RowData already set */
 	public static Text createRDText(Object toolkit, Composite parent, String msg, String toolTip, int width) {
 		Text text = new Text(parent, SWT.BORDER | SWT.SINGLE | SWT.LEFT);
 		text.setText("");
 		text.setMessage(msg);
 		text.setToolTipText(toolTip);
 		text.setLayoutData(width == 0 ? new RowData() : new RowData(width, SWT.DEFAULT));
 		return text;
 	}
 
 	/**
 	 * Creates the basic right aligned bold label that is used in various forms
 	 * using a pre-defined toolkit.
 	 */
 	public static Label createBoldLabel(Object toolkit, Composite parent, String value) {
 
 		// We add a blank space before to workaround the cropping of the word
 		// first letter in some OS/Browsers (typically MAC/Firefox 31 )
 		Label label = new Label(parent, SWT.RIGHT);
 		label.setText(" " + value);
 		label.setFont(EclipseUiUtils.getBoldFont(parent));
 		label.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 		return label;
 	}
 
 	/**
 	 * Creates a text widget with GridData already set
 	 * 
 	 * @param toolkit
 	 * @param parent
 	 * @param msg
 	 * @param toolTip
 	 * @param width
 	 * @param colSpan
 	 * @return
 	 */
 	@Deprecated
 	public static Text createGDText(Object toolkit, Composite parent, String msg, String toolTip, int width,
 			int colSpan) {
 		Text text = new Text(parent, SWT.BORDER | SWT.SINGLE | SWT.LEFT);
 		text.setText("");
 		text.setMessage(msg);
 		text.setToolTipText(toolTip);
 		GridData gd = new GridData(SWT.FILL, SWT.FILL, true, false);
 		gd.widthHint = width;
 		gd.horizontalSpan = colSpan;
 		text.setLayoutData(gd);
 		return text;
 	}
 
 	public static void setTableDefaultStyle(Table table, int customItemHeight) {
 		table.setLinesVisible(true);
 		table.setHeaderVisible(false);
 		CmsUtils.setItemHeight(table, customItemHeight);
 		CmsUtils.markup(table);
 	}
 
 	public static void setTableDefaultStyle(TableViewer viewer, int customItemHeight) {
 		setTableDefaultStyle(viewer.getTable(), customItemHeight);
 	}
 
 	/** shortcut to set form data while dealing with switching panel */
 	public static void setSwitchingFormData(Composite composite) {
 		FormData fdLabel = new FormData();
 		fdLabel.top = new FormAttachment(0, 0);
 		fdLabel.left = new FormAttachment(0, 0);
 		fdLabel.right = new FormAttachment(100, 0);
 		fdLabel.bottom = new FormAttachment(100, 0);
 		composite.setLayoutData(fdLabel);
 	}
 
 	/**
 	 * Shortcut to quickly get a FormData object with configured FormAttachment
 	 * 
 	 * @param left
 	 * @param top
 	 * @param right
 	 * @param bottom
 	 * @return
 	 */
 	public static FormData createformData(int left, int top, int right, int bottom) {
 		FormData formData = new FormData();
 		formData.left = new FormAttachment(left, 0);
 		formData.top = new FormAttachment(top, 0);
 		formData.right = new FormAttachment(right, 0);
 		formData.bottom = new FormAttachment(bottom, 0);
 		return formData;
 	}
 
 }