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libs-gsweb/GSWeb.framework/GSWRadioButtonList.m
Manuel Guesdon 2970cf04f3 o handle isDisplayStringBefore binding 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@18117 72102866-910b-0410-8b05-ffd578937521
2003-11-23 18:33:29 +00:00

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/** GSWRadioButtonList.m - <title>GSWeb: Class GSWRadioButtonList</title>
Copyright (C) 1999-2003 Free Software Foundation, Inc.
Written by: Manuel Guesdon <mguesdon@orange-concept.com>
Date: Jan 1999
$Revision$
$Date$
This file is part of the GNUstep Web Library.
<license>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
</license>
**/
#include "config.h"
RCS_ID("$Id$")
#include "GSWeb.h"
/**
Bindings
list Array of objects that the dynamic element iterate through.
index On each iteration the element put the current index in this binding
item On each iteration the element take the item at the current index and put it in this binding
displayString String to display for each radio button.
value Value for the INPUT tag for each radio button
prefix An html string to insert before each value.
suffix An html string to insert after each value.
selection Selected object (used to pre-check radio button and modified to reflect user choice)
It contains object from list, not value binding evaluated one !
selectionValue Selected value (used to pre-check radio button and modified to reflect user choice)
It contains evaluated value binding !
name Name of the element in the form (should be unique). If not specified, GSWeb assign one.
disabled If evaluated to yes, the radio button appear inactivated.
escapeHTML If evaluated to yes, escape displayString
isDisplayStringBefore If evaluated to yes, displayString is displayed before radio button
**/
//====================================================================
@implementation GSWRadioButtonList
//--------------------------------------------------------------------
-(id)initWithName:(NSString*)aName
associations:(NSDictionary*)associations
contentElements:(NSArray*)elements
{
//OK
NSMutableDictionary* tmpAssociations=[NSMutableDictionary dictionaryWithDictionary:associations];
LOGObjectFnStartC("GSWRadioButtonList");
NSDebugMLLog(@"gswdync",@"aName=%@ associations:%@ elements=%@",
aName,associations,elements);
_defaultEscapeHTML=1;
[tmpAssociations removeObjectForKey:list__Key];
[tmpAssociations removeObjectForKey:item__Key];
[tmpAssociations removeObjectForKey:index__Key];
[tmpAssociations removeObjectForKey:selection__Key];
if (!WOStrictFlag)
[tmpAssociations removeObjectForKey:selectionValue__Key];
[tmpAssociations removeObjectForKey:prefix__Key];
[tmpAssociations removeObjectForKey:suffix__Key];
[tmpAssociations removeObjectForKey:displayString__Key];
[tmpAssociations removeObjectForKey:escapeHTML__Key];
if ((self=[super initWithName:aName
associations:tmpAssociations
contentElements:nil]))
{
_list=[[associations objectForKey:list__Key
withDefaultObject:[_list autorelease]] retain];
_item=[[associations objectForKey:item__Key
withDefaultObject:[_item autorelease]] retain];
if (_item && ![_item isValueSettable])
{
ExceptionRaise0(@"GSWRadioButtonList",@"'item' parameter must be settable");
};
_index=[[associations objectForKey:index__Key
withDefaultObject:[_index autorelease]] retain];
if (_index && ![_index isValueSettable])
{
ExceptionRaise0(@"GSWRadioButtonList",@"'index' parameter must be settable");
};
_selection=[[associations objectForKey:selection__Key
withDefaultObject:[_selection autorelease]] retain];
if (_selection && ![_selection isValueSettable])
{
ExceptionRaise0(@"GSWRadioButtonList",@"'selection' parameter must be settable");
};
if (!WOStrictFlag)
{
_selectionValue=[[associations objectForKey:selectionValue__Key
withDefaultObject:[_selectionValue autorelease]] retain];
if (_selectionValue && ![_selectionValue isValueSettable])
{
ExceptionRaise0(@"GSWRadioButtonList",@"'selectionValue' parameter must be settable");
};
};
_prefix=[[associations objectForKey:prefix__Key
withDefaultObject:[_prefix autorelease]] retain];
_suffix=[[associations objectForKey:suffix__Key
withDefaultObject:[_suffix autorelease]] retain];
_displayString=[[associations objectForKey:displayString__Key
withDefaultObject:[_displayString autorelease]] retain];
if (!WOStrictFlag)
{
_isDisplayStringBefore=[[associations objectForKey:isDisplayStringBefore__Key
withDefaultObject:[_isDisplayStringBefore autorelease]] retain];
};
_escapeHTML=[[associations objectForKey:escapeHTML__Key
withDefaultObject:[_escapeHTML autorelease]] retain];
};
return self;
};
//-----------------------------------------------------------------------------------
-(void)dealloc
{
DESTROY(_list);
DESTROY(_item);
DESTROY(_index);
DESTROY(_selection);
DESTROY(_selectionValue);//GSWeb Only
DESTROY(_prefix);
DESTROY(_suffix);
DESTROY(_displayString);
DESTROY(_isDisplayStringBefore);//GSWeb Only
DESTROY(_escapeHTML);
[super dealloc];
}
//--------------------------------------------------------------------
-(NSString*)description
{
return [NSString stringWithFormat:@"<%s %p>",
object_get_class_name(self),
(void*)self];
};
//--------------------------------------------------------------------
-(NSString*)elementName
{
return @"INPUT";
};
@end
//====================================================================
@implementation GSWRadioButtonList (GSWRadioButtonListA)
//-----------------------------------------------------------------------------------
-(void)takeValuesFromRequest:(GSWRequest*)request
inContext:(GSWContext*)context
{
//OK
LOGObjectFnStartC("GSWRadioButtonList");
[self _slowTakeValuesFromRequest:request
inContext:context];
LOGObjectFnStopC("GSWRadioButtonList");
};
//-----------------------------------------------------------------------------------
-(void)_slowTakeValuesFromRequest:(GSWRequest*)request
inContext:(GSWContext*)context
{
//OK
BOOL disabledInContext=NO;
LOGObjectFnStartC("GSWRadioButtonList");
disabledInContext=[self disabledInContext:context];
if (!disabledInContext)
{
if ([context _wasFormSubmitted])
{
GSWComponent* component=[context component];
NSArray* listValue=nil; // _list value
NSString* name=nil;
BOOL found=NO;
id formValue=nil;
id valueValue=nil; // _value value (or autoValue)
id itemValue=nil; // _item value
NSString* valueValueString=nil; // _value value as string
id itemValueToSet=nil; // item value to set to _selection
id valueValueToSet=nil; // valueValue to set to _selectionValue
int i=0;
name=[self nameInContext:context];
NSDebugMLLog(@"gswdync",@"name=%@",name);
formValue=[request formValueForKey:name];
NSDebugMLLog(@"gswdync",@"formValue=%@",formValue);
listValue=[_list valueInComponent:component];
NSAssert3(!listValue || [listValue respondsToSelector:@selector(count)],
@"The list (%@) (%@ of class:%@) doesn't respond to 'count'",
_list,
listValue,
[listValue class]);
NSDebugMLLog(@"gswdync",@"listValue=%@",listValue);
for(i=0;i<[listValue count] && !found;i++)
{
NSDebugMLLog(@"gswdync",@"item=%@",_item);
NSDebugMLLog(@"gswdync",@"index=%@",_index);
itemValue=[listValue objectAtIndex:i];
if (_item)
[_item setValue:itemValue
inComponent:component];
if (_index)
[_index setValue:[NSNumber numberWithShort:i]
inComponent:component];
NSDebugMLLog(@"gswdync",@"value=%@",_value);
if (_value) // Binded Value
valueValue = [_value valueInComponent:component];
else // Auto Value
valueValue = [NSNumber numberWithInt:i];
valueValueString=[NSString stringWithFormat:@"%@",valueValue];
NSDebugMLLog(@"gswdync",@"valueValue=%@",valueValue);
if (valueValue)
{
// we compare (with object equality not pointer equality)
BOOL isEqual=SBIsValueEqual(valueValueString,formValue);
NSDebugMLLog(@"gswdync",@"isEqual=%s",(isEqual ? "YES" : "NO"));
if (isEqual)
{
itemValueToSet=itemValue;
valueValueToSet=valueValue;
found=YES;
};
};
};
NSDebugMLLog(@"gswdync",@"component=%@",component);
NSDebugMLLog(@"gswdync",@"found=%s",(found ? "YES" : "NO"));
NSDebugMLLog(@"gswdync",@"selection=%@",_selection);
GSWLogAssertGood(component);
NS_DURING
{
[_selection setValue:itemValueToSet
inComponent:component];
};
NS_HANDLER
{
LOGException(@"GSWRadioButtonList _selection=%@ itemValueToSet=%@ exception=%@",
_selection,itemValueToSet,localException);
if (WOStrictFlag)
{
[localException raise];
}
else
{
[self handleValidationException:localException
inContext:context];
};
}
NS_ENDHANDLER;
if (!WOStrictFlag && _selectionValue)
{
NS_DURING
{
[_selectionValue setValue:valueValueToSet
inComponent:component];
};
NS_HANDLER
{
LOGException(@"GSWRadioButtonList _selectionValue=%@ valueValueToSet=%@ exception=%@",
_selectionValue,valueValueToSet,localException);
if (WOStrictFlag)
{
[localException raise];
}
else
{
[self handleValidationException:localException
inContext:context];
};
}
NS_ENDHANDLER;
};
};
};
LOGObjectFnStopC("GSWRadioButtonList");
};
//-----------------------------------------------------------------------------------
-(void)_fastTakeValuesFromRequest:(GSWRequest*)request
inContext:(GSWContext*)context
{
LOGObjectFnStartC("GSWRadioButtonList");
LOGObjectFnNotImplemented(); //TODOFN
LOGObjectFnStopC("GSWRadioButtonList");
};
//-----------------------------------------------------------------------------------
-(void)appendToResponse:(GSWResponse*)response
inContext:(GSWContext*)context
{
//OK
GSWRequest* request=nil;
BOOL isFromClientComponent=NO;
BOOL disabledInContext=NO;
NSString* name=nil;
GSWComponent* component=nil;
NSArray* listValue=nil;
id selectionValue=nil;
id selectionValueValue=nil;
int i=0;
id displayStringValue=nil;
BOOL isDisplayStringBefore=NO;
id prefixValue=nil;
id suffixValue=nil;
id valueValue=nil; // _value value (or auto value)
id itemValue=nil; // _item value
LOGObjectFnStartC("GSWRadioButtonList");
request=[context request];
isFromClientComponent=[request isFromClientComponent];
name=[self nameInContext:context];
component=[context component];
selectionValue=[_selection valueInComponent:component];
selectionValueValue=[_selectionValue valueInComponent:component];
listValue=[_list valueInComponent:component];
NSAssert3(!listValue || [listValue respondsToSelector:@selector(count)],
@"The list (%@) (%@ of class:%@) doesn't respond to 'count'",
_list,
listValue,
[listValue class]);
for(i=0;i<[listValue count];i++)
{
BOOL isEqual=NO;
disabledInContext=[self disabledInContext:context];
itemValue=[listValue objectAtIndex:i];
[_item setValue:itemValue
inComponent:component];
prefixValue=[_prefix valueInComponent:component];
suffixValue=[_suffix valueInComponent:component];
[_index setValue:[NSNumber numberWithShort:i]
inComponent:component];
if (_isDisplayStringBefore)
isDisplayStringBefore=[self evaluateCondition:_isDisplayStringBefore
inContext:context];
displayStringValue=[_displayString valueInComponent:component];
if (isDisplayStringBefore)
[response appendContentHTMLString:displayStringValue];
[response appendContentString:@"<INPUT NAME=\""];
[response appendContentString:name];
[response appendContentString:@"\" TYPE=radio VALUE=\""];
NSDebugMLLog(@"gswdync",@"_value (class: %@): %@",[_value class],_value);
// Value property of the INPUT tag
if (_value) // Binded Value
valueValue = [_value valueInComponent:component];
else // Auto Value
valueValue = [NSNumber numberWithInt:i];
NSDebugMLLog(@"gswdync",@"valueValue=%@",valueValue);
[response appendContentHTMLAttributeValue:valueValue];
[response appendContentCharacter:'"'];
NSDebugMLLog(@"gswdync",@"selectionValue=%@",selectionValue);
NSDebugMLLog(@"gswdync",@"selectionValue class=%@",[selectionValue class]);
NSDebugMLLog(@"gswdync",@"itemValue=%@",itemValue);
NSDebugMLLog(@"gswdync",@"itemValue class=%@",[itemValue class]);
if (selectionValue)
{
isEqual=SBIsValueEqual(itemValue,selectionValue);
NSDebugMLLog(@"gswdync",@"isEqual=%s",(isEqual ? "YES" : "NO"));
}
NSDebugMLLog(@"gswdync",@"selectionValueValue=%@",selectionValueValue);
NSDebugMLLog(@"gswdync",@"selectionValueValue class=%@",[selectionValueValue class]);
NSDebugMLLog(@"gswdync",@"valueValue=%@",valueValue);
NSDebugMLLog(@"gswdync",@"valueValue class=%@",[valueValue class]);
if (isEqual==NO && selectionValueValue)
{
isEqual=SBIsValueEqual(valueValue,selectionValueValue);
NSDebugMLLog(@"gswdync",@"isEqual=%s",(isEqual ? "YES" : "NO"));
}
if (isEqual)
[response appendContentString:@" CHECKED"];
if (disabledInContext)
[response _appendContentAsciiString:@" DISABLED"];
[response appendContentCharacter:'>'];
[response appendContentString:prefixValue];
if (!isDisplayStringBefore)
[response appendContentHTMLString:displayStringValue];
[response appendContentString:suffixValue];
};
LOGObjectFnStopC("GSWRadioButtonList");
};
@end
//====================================================================
@implementation GSWRadioButtonList (GSWRadioButtonListB)
-(BOOL)appendStringAtRight:(id)unkwnon
withMapping:(char*)mapping
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
-(BOOL)appendStringAtLeft:(id)unkwnon
withMapping:(char*)mapping
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
-(BOOL)compactHTMLTags
{
return NO;
};
@end
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