First cut of dialog/wizard framework

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2577 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/wizard/BaseWizardBean.java

@@ -0,0 +1,60 @@
+package org.alfresco.web.bean.wizard;
+
+import javax.faces.context.FacesContext;
+
+import org.alfresco.web.app.Application;
+import org.alfresco.web.app.context.UIContextService;
+
+
+/**
+ * Base class for all wizard beans providing common functionality
+ * 
+ * @author gavinc
+ */
+public abstract class BaseWizardBean implements IWizardBean
+{
+   protected static final String WIZARD_CLOSE = "wizard:close";
+   
+   public abstract String finish();
+   
+   public void init()
+   {
+      // tell any beans to update themselves so the UI gets refreshed
+      UIContextService.getInstance(FacesContext.getCurrentInstance()).notifyBeans();
+   }
+
+   public boolean getNextButtonDisabled()
+   {
+      return true;
+   }
+
+   public boolean getBackButtonDisabled()
+   {
+      return true;
+   }
+   
+   public boolean getFinishButtonDisabled()
+   {
+      return true;
+   }
+   
+   public String getNextButtonLabel()
+   {
+      return Application.getMessage(FacesContext.getCurrentInstance(), "next_button");
+   }
+
+   public String getBackButtonLabel()
+   {
+      return Application.getMessage(FacesContext.getCurrentInstance(), "back_button");
+   }
+
+   public String getFinishButtonLabel()
+   {
+      return Application.getMessage(FacesContext.getCurrentInstance(), "finish_button");
+   }
+   
+   public String cancel()
+   {
+      return WIZARD_CLOSE;
+   }
+}