IBPropertiesWindowSetter.java

/*
 * $Id: IBPropertiesWindowSetter.java,v 1.40 2007/05/24 11:31:12 valdas Exp $
 * 
 * Copyright (C) 2001 Idega hf. All Rights Reserved.
 * 
 * This software is the proprietary information of Idega hf. Use is subject to
 * license terms.
 * 
 */
package com.idega.builder.presentation;

import java.lang.reflect.Method;

import com.idega.builder.business.BuilderConstants;
import com.idega.builder.business.BuilderLogic;
import com.idega.builder.business.IBPropertyHandler;
import com.idega.core.builder.presentation.ICPropertyHandler;
import com.idega.core.cache.CacheableUIComponent;
import com.idega.core.component.business.ICObjectBusiness;
import com.idega.idegaweb.IWMainApplication;
import com.idega.presentation.IWContext;
import com.idega.presentation.Page;
import com.idega.presentation.PresentationObject;
import com.idega.presentation.Script;
import com.idega.presentation.Table;
import com.idega.presentation.text.Text;
import com.idega.presentation.ui.CheckBox;
import com.idega.presentation.ui.Form;
import com.idega.presentation.ui.Parameter;
import com.idega.util.CoreConstants;
import com.idega.util.reflect.MethodFinder;

/**
 * @author <a href="tryggvi@idega.is">Tryggvi Larusson</a>
 * @version 1.0
 */
public class IBPropertiesWindowSetter extends Page {

	// Parameters used in the window
	public static final String IC_OBJECT_INSTANCE_ID_PARAMETER = IBPropertiesWindow.IC_OBJECT_INSTANCE_ID_PARAMETER;
	public static final String IB_PAGE_PARAMETER = IBPropertiesWindow.IB_PAGE_PARAMETER;
	final static String METHOD_ID_PARAMETER = IBPropertiesWindow.METHOD_ID_PARAMETER;
	final static String VALUE_SAVE_PARAMETER = IBPropertiesWindow.VALUE_SAVE_PARAMETER;
	final static String REMOVE_PARAMETER = "ib_remove_property";
	final static String CHANGE_PROPERTY_PARAMETER = "ib_change_property";
	final static String IS_CHANGING_PROPERTY_BOOLEAN_PARAMETER = "ib_is_changing";
	final static String SAVE_PROPERTY_PARAMETER = "ib_save_prop";
	// Javascript Functions names used in the window
	final static String CHANGE_PROPERTY_FUNCTION_NAME = "setProperty";
	final static String UPDATE_PROPERTY_FUNCTION_NAME = "update";
	public final static String MULTIVALUE_PROPERTY_CHANGE_FUNCTION_NAME = "multivalueChange";
	private static final String BACKGROUND_COLOUR = "#FFFFFF";

	public IBPropertiesWindowSetter() {
		setBackgroundColor(BACKGROUND_COLOUR);
	}

	public String getUsedICObjectInstanceID(IWContext iwc) {
		return iwc.getParameter(IC_OBJECT_INSTANCE_ID_PARAMETER);
	}

	protected boolean isChangingProperty(IWContext iwc) {
		String sValue = iwc.getParameter(IS_CHANGING_PROPERTY_BOOLEAN_PARAMETER);
		if (sValue != null) {
			if (sValue.equals("Y")) {
				return true;
			}
		}
		return false;
	}

	public void main(IWContext iwc) throws Exception {
		boolean propertyChange = false;
		Script script = this.getAssociatedScript();
		script.addFunction(CHANGE_PROPERTY_FUNCTION_NAME, "function " + CHANGE_PROPERTY_FUNCTION_NAME
				+ "(method){var form = document.forms[0];form." + CHANGE_PROPERTY_PARAMETER + ".value=method;form."
				+ IS_CHANGING_PROPERTY_BOOLEAN_PARAMETER + ".value='Y';" + UPDATE_PROPERTY_FUNCTION_NAME + "();}");
		script.addFunction(UPDATE_PROPERTY_FUNCTION_NAME, "function " + UPDATE_PROPERTY_FUNCTION_NAME
				+ "(){var form = document.forms[0];form.submit();}");
		script.addFunction(MULTIVALUE_PROPERTY_CHANGE_FUNCTION_NAME, "function "
				+ MULTIVALUE_PROPERTY_CHANGE_FUNCTION_NAME + "(){var form = document.forms[0];form."
				+ SAVE_PROPERTY_PARAMETER + ".value='false';" + UPDATE_PROPERTY_FUNCTION_NAME + "();}");
		String pageKey = BuilderLogic.getInstance().getCurrentIBPage(iwc);
		Form form = new Form();
		//no need for a loading layer here, only slows it down
		form.setToShowLoadingOnSubmit(false);
		
		add(form);
		form.maintainParameter(IC_OBJECT_INSTANCE_ID_PARAMETER);
		Parameter param1 = new Parameter(SAVE_PROPERTY_PARAMETER, "true");
		form.add(param1);
		Parameter param = new Parameter(CHANGE_PROPERTY_PARAMETER);
		Parameter param3 = new Parameter(IS_CHANGING_PROPERTY_BOOLEAN_PARAMETER, "N");
		form.add(param3);
		String newPropertyID = iwc.getParameter(CHANGE_PROPERTY_PARAMETER);
		if (newPropertyID != null) {
			param.setValue(newPropertyID);
		}
		else {
			param.setValue("");
		}
		form.add(param);
		String changePropertyID = iwc.getParameter(CHANGE_PROPERTY_PARAMETER);
		if (changePropertyID != null) {
			Parameter param2 = new Parameter(METHOD_ID_PARAMETER, changePropertyID);
			form.add(param2);
		}
		else {
			String oldPropertyPar = iwc.getParameter(CHANGE_PROPERTY_PARAMETER);
			if (oldPropertyPar != null) {
				Parameter param2 = new Parameter(METHOD_ID_PARAMETER, oldPropertyPar);
				form.add(param2);
			}
		}
		boolean doSave = true;
		String sDoSave = iwc.getParameter(SAVE_PROPERTY_PARAMETER);
		if (sDoSave != null) {
			if (sDoSave.equalsIgnoreCase("false")) {
				doSave = false;
			}
			else {
				doSave = true;
			}
		}
		String ic_object_id = getUsedICObjectInstanceID(iwc);
		if (ic_object_id != null) {
			String propertyID = iwc.getParameter(METHOD_ID_PARAMETER);
			if (propertyID != null) {
				boolean remove = iwc.isParameterSet(REMOVE_PARAMETER);
				String values[] = parseValues(iwc);
				if (values == null) {
					doSave = false;
				}
				if (remove) {
					if (values != null) {
						propertyChange = true;
						removeProperty(iwc.getIWMainApplication(), propertyID, values, ic_object_id, pageKey);
					}
				}
				else {
					if (doSave) {
						propertyChange = setProperty(propertyID, values, ic_object_id, pageKey,
								iwc.getIWMainApplication());
						ICPropertyHandler handler = (ICPropertyHandler) iwc.getSessionAttribute(CoreConstants.HANDLER_PARAMETER);
						if (handler != null) {
							handler.onUpdate(values, iwc);
							iwc.removeSessionAttribute(CoreConstants.HANDLER_PARAMETER);
						}
					}
				}
			}
			if (propertyChange) {
				doReload();
			}
			else {
				if (newPropertyID != null) {
					String iICObjectInstanceID = this.getUsedICObjectInstanceID(iwc);
					Text description = new Text(IBPropertyHandler.getInstance().getMethodDescription(
							iICObjectInstanceID, newPropertyID, iwc));
					description.setFontStyle("font-family:Arial,Helvetica,sans-serif;font-size:11pt;font-weight:bold;");
					form.add(description);
					form.add(getPropertySetterBox(newPropertyID, iwc, null, ic_object_id));
					form.add(getRemoveButton());
				}
			}
		}
	}

	public void doReload() {
		setOnLoad("doReload()");
		Script script = this.getAssociatedScript();
		script.addFunction("doReload", "function doReload(form){document.forms[0].submit();}");
	}

	public PresentationObject getRemoveButton() {
		Table t = new Table(2, 1);
		Text removeProperty = new Text("Remove Property");
		removeProperty.setFontStyle("font-family:Arial,Helvetica,sans-serif;font-size:8pt;");
		t.add(removeProperty, 1, 1);
		CheckBox button = new CheckBox(REMOVE_PARAMETER);
		t.add(button, 2, 1);
		return t;
	}

	public String[] parseValues(IWContext iwc) {
		String valueParams[] = iwc.getParameterValues(BuilderConstants.VALUE_PARAMETER);
		String values[] = null;
		boolean setProperty = false;
		if (valueParams != null) {
			values = new String[valueParams.length];
			for (int i = 0; i < valueParams.length; i++) {
				values[i] = iwc.getParameter(valueParams[i]);
				if (values[i] != null && !values[i].equals("")) {
					setProperty = true;
					/**
					 * @todo This is a shitty-mix solution for the
					 *       LocalizedPageNameHandler. Have to fix this later.
					 * 
					 */
					String langString = iwc.getParameter(valueParams[i] + "a");
					if (langString != null) {
						values[i] = values[i] + ";" + langString;
					}
				}
			}
		}
		if (setProperty) {
			return values;
		}
		else {
			return null;
		}
	}

	public PresentationObject getPropertySetterBox(String propertyName, IWContext iwc, String pageID,
			String icObjectInstanceID) throws Exception {
		if (pageID == null) {
			pageID = BuilderLogic.getInstance().getCurrentIBPage(iwc);
		}
		Table table = new Table();
		int ypos = 1;
		Class ICObjectClass = null;
		int icObjectInstanceIDint = getBuilderLogic().getIBXMLReader().getICObjectInstanceIdFromComponentId(icObjectInstanceID,null,pageID);
		if (icObjectInstanceIDint == -1) {
			ICObjectClass = com.idega.presentation.Page.class;
		}
		else {
			ICObjectClass = BuilderLogic.getInstance().getObjectClass(icObjectInstanceIDint);
		}
		String namePrefix = "ib_property_";
	
		MethodFinder methodFinder = MethodFinder.getInstance();
		Class parameters[] = null;
		boolean isMethodIdentifier = false;
		if(methodFinder.isMethodIdentifier(propertyName)){
			Method method = MethodFinder.getInstance().getMethod(propertyName, ICObjectClass);
			parameters = method.getParameterTypes();
			isMethodIdentifier=true;
		}
		else{
			parameters = new Class[]{String.class};
		}
		String selectedValues[] = parseValues(iwc);
		String paramDescriptions[] = IBPropertyHandler.getInstance().getPropertyDescriptions(iwc, icObjectInstanceID,
				propertyName);
		boolean isChangingProperty = isChangingProperty(iwc);
		String realValues[] = BuilderLogic.getInstance().getPropertyValues(iwc.getIWMainApplication(), pageID,
				icObjectInstanceID, propertyName, selectedValues, !isChangingProperty);
		for (int i = 0; i < parameters.length; i++) {
			Class parameterClass = parameters[i];
			String sValue = "";
			try {
				sValue = realValues[i];
			}
			catch (ArrayIndexOutOfBoundsException e) {
			}
			catch (NullPointerException npe) {
			}
			String sName = namePrefix + i;
			String sParamDescription = paramDescriptions[i];
			String handlerClass=null;
			if(isMethodIdentifier){
				handlerClass = IBPropertyHandler.getInstance().getMethodParameterProperty(iwc, icObjectInstanceID,
					propertyName, i, IBPropertyHandler.METHOD_PARAMETER_PROPERTY_HANDLER_CLASS);
			}
			
			// if
			// (handlerClass.equals("com.idega.builder.handler.LocalizedPageNameHandler"))
			// {
			// StringBuffer tmp = null;
			// if (sValue != null)
			// tmp = new StringBuffer(sValue);
			// else
			// tmp = new StringBuffer("");
			//				
			// tmp.append(";");
			// String langValue = iwc.getParameter("ib_property_0a");
			// if (langValue != null)
			// tmp.append(langValue);
			//					
			// sValue = tmp.toString();
			// }
			PresentationObject handlerBox = IBPropertyHandler.getInstance().getPropertySetterComponent(iwc,
					icObjectInstanceID, propertyName, i, parameterClass, sName, sValue);
			ICPropertyHandler handler = null;
			if (handlerClass != null && !handlerClass.equals("")) {
				handler = IBPropertyHandler.getInstance().getPropertyHandler(handlerClass);
				if (handler != null) {
					iwc.setSessionAttribute(CoreConstants.HANDLER_PARAMETER, handler);
				}
			}
			if (handler == null) {
				iwc.removeSessionAttribute(CoreConstants.HANDLER_PARAMETER);
			}
			Parameter param = new Parameter(BuilderConstants.VALUE_PARAMETER, sName);
			if (sParamDescription != null) {
				Text tDescription = formatDescription(sParamDescription + ":");
				tDescription.setFontStyle("font-family:Arial,Helvetica,sans-serif;font-size:8pt;");
				table.add(tDescription, 1, ypos);
			}
			table.add(param, 2, ypos);
			// if
			// (handlerClass.equals("com.idega.builder.handler.LocalizedPageNameHandler"))
			// {
			// Parameter param2 = new Parameter(VALUE_PARAMETER, sName+"a");
			// table.add(param2, 2, ypos);
			// }
			table.add(handlerBox, 2, ypos);
			ypos++;
		}
		table.setColumnVerticalAlignment(1, "top");
		return table;
	}

	public Text formatDescription(String text) {
		return new Text(text);
	}

	public boolean setProperty(String key, String values[], String instanceId, String pageKey,
			IWMainApplication iwma) {
		// invalidate cache for blocks
		Object obj = ICObjectBusiness.getInstance().getNewObjectInstance(getBuilderLogic().getIBXMLReader().getICObjectInstanceIdFromComponentId(instanceId,null,pageKey));
		/** @todo ensure the cache is invalidated for all states* */
		if (obj instanceof com.idega.presentation.Block) {
			iwma.getIWCacheManager().invalidateCache(((com.idega.presentation.Block) obj).getCacheKey());
		}
		if(obj instanceof CacheableUIComponent){
			//CacheableUIComponent comp = (CacheableUIComponent)obj;
			//comp.getCacher(context).clear();
		}
		return BuilderLogic.getInstance().setProperty(pageKey, instanceId, key, values, iwma);
	}

	public void removeProperty(IWMainApplication iwma, String key, String values[], String instanceId,
			String pageKey) {
		/**
		 * @todo Change so that it removes properties of specific values for
		 *       multivalued properties
		 */
		// invalidate cache for blocks
		/** @todo ensure the cache is invalidated for all states* */
		Object obj = ICObjectBusiness.getInstance().getNewObjectInstance(
				getBuilderLogic().getIBXMLReader().getICObjectInstanceIdFromComponentId(instanceId,null,pageKey));
		if (obj instanceof com.idega.presentation.Block) {
			iwma.getIWCacheManager().invalidateCache(((com.idega.presentation.Block) obj).getCacheKey());
		}
		getBuilderLogic().removeProperty(iwma, pageKey, instanceId, key, values);
	}
	
	protected BuilderLogic getBuilderLogic(){
		return BuilderLogic.getInstance();
	}
}