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/dialog/DialogManager.java

@@ -0,0 +1,153 @@
+package org.alfresco.web.bean.dialog;
+
+import javax.faces.context.FacesContext;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.alfresco.web.app.Application;
+import org.alfresco.web.app.servlet.FacesHelper;
+import org.alfresco.web.config.DialogsConfigElement.DialogConfig;
+
+/**
+ * Bean that manages the dialog framework
+ * 
+ * @author gavinc
+ */
+public class DialogManager
+{
+   protected DialogConfig currentDialogConfig;
+   protected IDialogBean currentDialog;
+   
+   /**
+    * Sets the current dialog
+    * 
+    * @param config The configuration for the dialog to set
+    */
+   public void setCurrentDialog(DialogConfig config)
+   {
+      this.currentDialogConfig = config;
+      
+      String beanName = this.currentDialogConfig.getManagedBean();
+      this.currentDialog = (IDialogBean)FacesHelper.getManagedBean(
+            FacesContext.getCurrentInstance(), beanName);
+      
+      if (this.currentDialog == null)
+      {
+         throw new AlfrescoRuntimeException("Failed to find managed bean '" + beanName + "'");
+      }
+      
+      // initialise the managed bean
+      this.currentDialog.init();
+   }
+   
+   /**
+    * Returns the current dialog bean being managed
+    * 
+    * @return The current managed bean
+    */
+   public IDialogBean getBean()
+   {
+      return this.currentDialog;
+   }
+   
+   /**
+    * Returns the icon to use for the current dialog
+    * 
+    * @return The icon
+    */
+   public String getIcon()
+   {
+      return this.currentDialogConfig.getIcon();
+   }
+   
+   /**
+    * Returns the resolved title to use for the dialog
+    * 
+    * @return The title
+    */
+   public String getTitle()
+   {
+      String title = this.currentDialogConfig.getTitleId();
+      
+      if (title != null)
+      {
+         title = Application.getMessage(FacesContext.getCurrentInstance(), title);
+      }
+      else
+      {
+         title = this.currentDialogConfig.getTitle();
+      }
+      
+      return title;
+   }
+   
+   /**
+    * Returns the resolved description to use for the dialog
+    * 
+    * @return The description
+    */
+   public String getDescription()
+   {
+      String desc = this.currentDialogConfig.getDescriptionId();
+      
+      if (desc != null)
+      {
+         desc = Application.getMessage(FacesContext.getCurrentInstance(), desc);
+      }
+      else
+      {
+         desc = this.currentDialogConfig.getDescription();
+      }
+      
+      return desc;
+   }
+   
+   /**
+    * Returns the page the dialog will use
+    * 
+    * @return The page
+    */
+   public String getPage()
+   {
+      return this.currentDialogConfig.getPage();
+   }
+   
+   /**
+    * Returns the label to use for the finish button
+    * 
+    * @return The finish button label
+    */
+   public String getFinishButtonLabel()
+   {
+      return this.currentDialog.getFinishButtonLabel();
+   }
+   
+   /**
+    * Determines whether the finish button on the dialog should be disabled
+    * 
+    * @return true if the button should be disabled
+    */
+   public boolean getFinishButtonDisabled()
+   {
+      return this.currentDialog.getFinishButtonDisabled();
+   }
+   
+   /**
+    * Method handler called when the finish button of the dialog is pressed
+    * 
+    * @return The outcome
+    */
+   public String finish()
+   {
+      return this.currentDialog.finish();
+   }
+   
+   /**
+    * Method handler called when the cancel button of the dialog is pressed
+    * 
+    * @return The outcome
+    */
+   public String cancel()
+   {
+      return this.currentDialog.cancel();
+   }
+}