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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 <QDebug>
#include <QTimer>
#include "../debug_p.h"
#include "../document_p.h"
#include "../form.h"
#include "../page.h"
#include "../page_p.h"
#include "kjs_display_p.h"
using namespace Okular;
#define OKULAR_NAME QStringLiteral("okular_name")
static KJSPrototype *g_fieldProto;
typedef QHash< FormField *, Page * > FormCache;
Q_GLOBAL_STATIC( FormCache, g_fieldCache )
typedef QHash< QString, FormField * > ButtonCache;
Q_GLOBAL_STATIC( ButtonCache, g_buttonCache )
// Helper for modified fields
static void updateField( FormField *field )
{
Page *page = g_fieldCache->value( field );
if (page)
{
Document *doc = PagePrivate::get( page )->m_doc->m_parent;
const int pageNumber = page->number();
QTimer::singleShot(0, doc, [doc, pageNumber] { doc->refreshPixmaps(pageNumber); } );
emit doc->refreshFormWidget( field );
}
else
{
qWarning() << "Could not get page of field" << field;
}
}
// 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->fullyQualifiedName() );
}
// 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 )
{
FormField *field = reinterpret_cast< FormField * >( object );
bool b = value.toBoolean( context );
field->setReadOnly( b );
updateField( field );
}
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 QStringLiteral("button");
case FormFieldButton::CheckBox:
return QStringLiteral("checkbox");
case FormFieldButton::Radio:
return QStringLiteral("radiobutton");
}
break;
}
case FormField::FormText:
return QStringLiteral("text");
case FormField::FormChoice:
{
const FormFieldChoice *choice = static_cast< const FormFieldChoice * >( field );
switch ( choice->choiceType() )
{
case FormFieldChoice::ComboBox:
return QStringLiteral("combobox");
case FormFieldChoice::ListBox:
return QStringLiteral("listbox");
}
break;
}
case FormField::FormSignature:
return QStringLiteral("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 );
switch ( field->type() )
{
case FormField::FormButton:
{
const FormFieldButton *button = static_cast< const FormFieldButton * >( field );
if ( button->state() )
{
return KJSString( QStringLiteral( "Yes" ) );
}
return KJSString( QStringLiteral( "Off" ) );
}
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 );
const QList< int > currentChoices = choice->currentChoices();
if ( currentChoices.count() == 1 )
{
return KJSString( choice->exportValueForChoice( choice->choices().at( currentChoices[0] ) ) );
}
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 );
switch ( field->type() )
{
case FormField::FormButton:
{
FormFieldButton *button = static_cast< FormFieldButton * >( field );
const QString text = value.toString( context );
if ( text == QStringLiteral( "Yes" ) )
{
button->setState( true );
updateField( field );
}
else if ( text == QStringLiteral( "Off" ) )
{
button->setState( false );
updateField( field );
}
break;
}
case FormField::FormText:
{
FormFieldText *textField = static_cast< FormFieldText * >( field );
const QString text = value.toString( context );
if ( text != textField->text() )
{
textField->setText( text );
updateField( field );
}
break;
}
case FormField::FormChoice:
{
FormFieldChoice *choice = static_cast< FormFieldChoice * >( field );
Q_UNUSED( choice ); // ###
break;
}
case FormField::FormSignature:
{
break;
}
}
}
// Field.hidden (getter)
static KJSObject fieldGetHidden( KJSContext *, void *object )
{
const FormField *field = reinterpret_cast< FormField * >( object );
return KJSBoolean( !field->isVisible() );
}
// Field.hidden (setter)
static void fieldSetHidden( KJSContext *context, void *object, KJSObject value )
{
FormField *field = reinterpret_cast< FormField * >( object );
bool b = value.toBoolean( context );
field->setVisible( !b );
updateField( field );
}
// Field.display (getter)
static KJSObject fieldGetDisplay( KJSContext *, void *object )
{
const FormField *field = reinterpret_cast< FormField * >( object );
bool visible = field->isVisible();
if( visible )
{
return KJSNumber( field->isPrintable() ? FormDisplay::FormVisible : FormDisplay::FormNoPrint );
}
return KJSNumber( field->isPrintable() ? FormDisplay::FormNoView : FormDisplay::FormHidden );
}
// Field.display (setter)
static void fieldSetDisplay( KJSContext *context, void *object, KJSObject value )
{
FormField *field = reinterpret_cast< FormField * >( object );
const unsigned int b = value.toInt32( context );
switch( b )
{
case FormDisplay::FormVisible:
field->setVisible( true );
field->setPrintable( true );
break;
case FormDisplay::FormHidden:
field->setVisible( false );
field->setPrintable( false );
break;
case FormDisplay::FormNoPrint:
field->setVisible( true );
field->setPrintable( false );
break;
case FormDisplay::FormNoView:
field->setVisible( false );
field->setPrintable( true );
break;
}
updateField( field );
}
// Instead of getting the Icon, we pick the field.
static KJSObject fieldButtonGetIcon( KJSContext *ctx, void *object,
const KJSArguments & )
{
FormField *field = reinterpret_cast< FormField * >( object );
KJSObject fieldObject;
fieldObject.setProperty( ctx, OKULAR_NAME, field->fullyQualifiedName() );
g_buttonCache->insert( field->fullyQualifiedName(), field );
return fieldObject;
}
/*
* Now we send to the button what Icon should be drawn on it
*/
static KJSObject fieldButtonSetIcon( KJSContext *ctx, void *object,
const KJSArguments &arguments )
{
FormField *field = reinterpret_cast< FormField * >( object );
const QString fieldName = arguments.at( 0 ).property( ctx, OKULAR_NAME ).toString( ctx );
if( field->type() == Okular::FormField::FormButton )
{
FormFieldButton *button = static_cast< FormFieldButton * >( field );
button->setIcon( g_buttonCache->value( fieldName ) );
}
updateField( field );
return KJSUndefined();
}
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, QStringLiteral("doc"), fieldGetDoc );
g_fieldProto->defineProperty( ctx, QStringLiteral("name"), fieldGetName );
g_fieldProto->defineProperty( ctx, QStringLiteral("readonly"),
fieldGetReadOnly, fieldSetReadOnly );
g_fieldProto->defineProperty( ctx, QStringLiteral("type"), fieldGetType );
g_fieldProto->defineProperty( ctx, QStringLiteral("value"), fieldGetValue, fieldSetValue );
g_fieldProto->defineProperty( ctx, QStringLiteral("hidden"), fieldGetHidden, fieldSetHidden );
g_fieldProto->defineProperty( ctx, QStringLiteral("display"), fieldGetDisplay, fieldSetDisplay );
g_fieldProto->defineFunction( ctx, QStringLiteral("buttonGetIcon"), fieldButtonGetIcon );
g_fieldProto->defineFunction( ctx, QStringLiteral("buttonSetIcon"), fieldButtonSetIcon );
}
KJSObject JSField::wrapField( KJSContext *ctx, FormField *field, Page *page )
{
// ### cache unique wrapper
KJSObject f = g_fieldProto->constructObject( ctx, field );
f.setProperty( ctx, QStringLiteral("page"), page->number() );
g_fieldCache->insert( field, page );
return f;
}
void JSField::clearCachedFields()
{
if ( g_fieldCache.exists() )
g_fieldCache->clear();
if( g_buttonCache.exists() )
g_buttonCache->clear();
}