/*+
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of the License "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description: +
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*+
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*/+
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+
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+
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// This file has routines which initialize component implementations+
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// according to patterns.+
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+
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include ("messageLibrary.js")+
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+
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implLibraryStrings = getLocalizedStrings("implLibrary");+
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+
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/**+
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 *	Set up direct label editing implementation for a component with+
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 *	one editable label+
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 *	@param prototype the impl prototype to update+
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 *	@param property the name of the edited property+
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 *	@param areafunction a function, taking an instance and laf, which returns the+
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 *		editable area of the label (or null).  If null, the default behavior is+
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 *	to use the entire rendered area.+
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 *	@param fontfunction a function, taking an instance and laf, which returns the+
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 *		IFont to edit with (or null).  If null, the default behavior is to return+
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 *		null, indicating a default system font.+
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 */+
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function setupCommonDirectLabelEditing(prototype, property, areafunction, fontfunction) {+
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+
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	prototype.getPropertyPaths = function(instance) {+
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		return [ property ];+
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	}+
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+
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	prototype.getLabelBounds = function(instance, propertyPath, laf) {+
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		if (areafunction)+
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			return areafunction(instance, laf);+
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		var size = instance.properties.size;+
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	    return new Rectangle(0, 0, size.width, size.height);+
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	}+
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+
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	prototype.getLabelFont = function(instance, propertyPath, laf) {+
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		if (fontfunction)+
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			return fontfunction(instance, laf)+
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		return null;+
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	}+
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+
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}+
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+
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+
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//	Set up direct image editing implementation for a component+
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//	with one image property.  +
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//+
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//	@param prototype the impl prototype to update+
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//	@param property the name of the edited property+
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//	@param areafunction a function, taking an instance, laf, and propertyPath, or null.+
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//		If not null, the function which returns a rectangle for the clickable area +
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//		of the rendered area of the component to respond to.+
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//		If null, the default behavior is to use the entire rendered area.+
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+
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function setupCommonDirectImageEditing(prototype, property, areafunction, sizefunction, isScalingFunction) {+
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+
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	// implementation for IDirectImageEdit+
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	prototype.getImagePropertyPaths = function(instance) {+
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		return [ property ];+
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	}+
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+
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	// implementation for IDirectImageEdit+
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	prototype.getImageBounds = function(instance, propertyPath, laf) {+
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		//println( "image: " + instance.properties[propertyPath].bmpfile + "/" +
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		//		+instance.properties[propertyPath].bmpid + "/" +
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		//		+instance.properties[propertyPath].bmpmask );+
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				+
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		if (areafunction) +
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			return areafunction(instance, laf, property);+
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		else {+
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			var size = instance.properties.size;+
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		    return new Rectangle(0, 0, size.width, size.height);+
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		}+
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	}+
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}+
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+
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/**	Create a simple IModelMessage that refers to an error on a property. */+
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function createSimpleModelError(instance, propertyId, messageFormat, argList) {+
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	var modelMessage = newModelMessage(IStatus.ERROR, +
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			formatString(messageFormat, argList), +
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			instance, propertyId, null);+
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	return modelMessage;+
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}+
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+
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/**+
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 *	Set up common IComponentValidator script for an editor that has+
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 *	minimum, maximum, and current value properties.+
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 *	@param prototype to modify+
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 *	@param noun localized string for the unit being edited (i.e. "duration")+
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 *	@param nouns localized string for the plural unit being edited (i.e. "durations")+
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 *	@param minProperty, maxProperty, valueProperty properties to check+
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 *	@param converter a function taking a property value used to convert a property to a comparable value;+
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 *		if null, the property is treated as an integer+
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 */+
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function setupCommonRangeCheckingValidation(prototype, noun, nouns,+
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		minProperty, maxProperty, valueProperty, converter) {+
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+
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	if (converter == null)+
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		converter = function(value) { return value; };+
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+
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			// note that laf will be null if a display model was not created+
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	prototype.validate = function(instance, laf) {+
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		var properties = instance.properties;+
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+
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		var min = converter(properties[minProperty]);+
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		var max = converter(properties[maxProperty]);+
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		var value = converter(properties[valueProperty]);+
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+
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		var messages = new java.util.ArrayList();+
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		+
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		if (min > max) {+
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			messages.add(createSimpleModelError(instance, +
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				minProperty, +
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				implLibraryStrings.getString("minMaxValueError"), +
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				[ noun, nouns, instance.name, min, max ]));+
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		} +
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		if (value < min || value > max) {+
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			messages.add(createSimpleModelError(instance, +
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				valueProperty, +
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				implLibraryStrings.getString("valueRangeError"), +
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				[ noun, nouns, instance.name, min, max, value ]));+
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		}	+
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		return messages;+
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	}+
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	+
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		// note that laf will be null if a display model was not created+
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	prototype.queryPropertyChange = function(instance, propertyPath,+
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					newVal, laf) {+
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					+
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		var properties = instance.properties;+
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		var message = null;+
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+
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		newValue = converter(newVal);+
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		if (propertyPath == minProperty) {+
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			if (newValue > converter(properties[valueProperty]) ||+
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				newValue >= converter(properties[maxProperty])) {+
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				message = formatString(implLibraryStrings.getString("minValueConstraint"), noun, nouns );+
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			}+
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		}+
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		else if (propertyPath == valueProperty) {+
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			if (newValue < converter(properties[minProperty]) ||+
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			    newValue > converter(properties[maxProperty])) {+
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				message = formatString(implLibraryStrings.getString("valueConstraint"), noun, nouns );+
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			}+
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		}+
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		else if (propertyPath == maxProperty) {+
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			if (newValue <= converter(properties[minProperty]) ||+
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				newValue < converter(properties[valueProperty]))+
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				message = formatString(implLibraryStrings.getString("maxValueConstraint"), noun, nouns );+
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		}+
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	+
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		return message;		+
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	}+
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+
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}+
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+
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