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/***************************************************************************
* Copyright (C) 2008 by Pino Toscano <pino@kde.org> *
* Copyright (C) 2008 by Harri Porten <porten@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "kjs_field_p.h"
#include <kjs/kjsinterpreter.h>
#include <kjs/kjsprototype.h>
#include <kjs/kjsarguments.h>
#include <qhash.h>
#include <kdebug.h>
#include <kglobal.h>
#include "../debug_p.h"
#include "../document_p.h"
#include "../form.h"
#include "../page.h"
using namespace Okular;
static KJSPrototype *g_fieldProto;
typedef QHash< FormField *, KJSObject > FormCache;
K_GLOBAL_STATIC( FormCache, g_fieldCache )
// Field.doc
static KJSObject fieldGetDoc( KJSContext *context, void * )
{
return context->interpreter().globalObject();
}
// Field.name
static KJSObject fieldGetName( KJSContext *, void *object )
{
const FormField *field = reinterpret_cast< FormField * >( object );
return KJSString( field->name() );
}
// Field.readonly (getter)
static KJSObject fieldGetReadOnly( KJSContext *, void *object )
{
const FormField *field = reinterpret_cast< FormField * >( object );
return KJSBoolean( field->isReadOnly() );
}
// Field.readonly (setter)
static void fieldSetReadOnly( KJSContext *context, void *object, KJSObject value )
{
#if 0
FormField *field = reinterpret_cast< FormField * >( object );
bool b = value.toBoolean( context );
field->setReadOnly( b );
#else
Q_UNUSED( context );
Q_UNUSED( object );
Q_UNUSED( value );
kDebug(OkularDebug) << "Not implemented: setting readonly property";
#endif
}
static QString fieldGetTypeHelper( const FormField *field )
{
switch ( field->type() )
{
case FormField::FormButton:
{
const FormFieldButton *button = static_cast< const FormFieldButton * >( field );
switch ( button->buttonType() )
{
case FormFieldButton::Push:
return "button";
case FormFieldButton::CheckBox:
return "checkbox";
case FormFieldButton::Radio:
return "radiobutton";
}
break;
}
case FormField::FormText:
return "text";
case FormField::FormChoice:
{
const FormFieldChoice *choice = static_cast< const FormFieldChoice * >( field );
switch ( choice->choiceType() )
{
case FormFieldChoice::ComboBox:
return "combobox";
case FormFieldChoice::ListBox:
return "listbox";
}
break;
}
case FormField::FormSignature:
return "signature";
}
return QString();
}
// Field.type
static KJSObject fieldGetType( KJSContext *, void *object )
{
const FormField *field = reinterpret_cast< FormField * >( object );
return KJSString( fieldGetTypeHelper( field ) );
}
// Field.value (getter)
static KJSObject fieldGetValue( KJSContext *context, void *object )
{
FormField *field = reinterpret_cast< FormField * >( object );
if ( field->isReadOnly() )
{
KJSObject value = g_fieldCache->value( field );
if ( g_fieldCache.exists() && g_fieldCache->contains( field ) )
value = g_fieldCache->value( field );
else
value = KJSString("");
kDebug(OkularDebug) << "Getting the value of a readonly field" << field->name() << ":" << value.toString( context );
return value;
}
switch ( field->type() )
{
case FormField::FormButton:
{
const FormFieldButton *button = static_cast< const FormFieldButton * >( field );
Q_UNUSED( button ); // ###
break;
}
case FormField::FormText:
{
const FormFieldText *text = static_cast< const FormFieldText * >( field );
return KJSString( text->text() );
}
case FormField::FormChoice:
{
const FormFieldChoice *choice = static_cast< const FormFieldChoice * >( field );
Q_UNUSED( choice ); // ###
break;
}
case FormField::FormSignature:
{
break;
}
}
return KJSUndefined();
}
// Field.value (setter)
static void fieldSetValue( KJSContext *context, void *object, KJSObject value )
{
FormField *field = reinterpret_cast< FormField * >( object );
if ( field->isReadOnly() )
{
// ### throw exception?
kDebug(OkularDebug) << "Trying to change the readonly field" << field->name() << "to" << value.toString( context );
g_fieldCache->insert( field, value );
return;
}
switch ( field->type() )
{
case FormField::FormButton:
{
FormFieldButton *button = static_cast< FormFieldButton * >( field );
Q_UNUSED( button ); // ###
break;
}
case FormField::FormText:
{
FormFieldText *text = static_cast< FormFieldText * >( field );
text->setText( value.toString( context ) );
break;
}
case FormField::FormChoice:
{
FormFieldChoice *choice = static_cast< FormFieldChoice * >( field );
Q_UNUSED( choice ); // ###
break;
}
case FormField::FormSignature:
{
break;
}
}
}
void JSField::initType( KJSContext *ctx )
{
static bool initialized = false;
if ( initialized )
return;
initialized = true;
if ( !g_fieldProto )
g_fieldProto = new KJSPrototype();
g_fieldProto->defineProperty( ctx, "doc", fieldGetDoc );
g_fieldProto->defineProperty( ctx, "name", fieldGetName );
g_fieldProto->defineProperty( ctx, "readonly",
fieldGetReadOnly, fieldSetReadOnly );
g_fieldProto->defineProperty( ctx, "type", fieldGetType );
g_fieldProto->defineProperty( ctx, "value", fieldGetValue, fieldSetValue );
}
KJSObject JSField::wrapField( KJSContext *ctx, FormField *field, Page *page )
{
// ### cache unique wrapper
KJSObject f = g_fieldProto->constructObject( ctx, field );
f.setProperty( ctx, "page", page->number() );
return f;
}
void JSField::clearCachedFields()
{
if ( g_fieldCache.exists() )
{
g_fieldCache->clear();
}
}
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