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Diffstat (limited to 'khtml/html/html_formimpl.h')
| -rw-r--r-- | khtml/html/html_formimpl.h | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/khtml/html/html_formimpl.h b/khtml/html/html_formimpl.h new file mode 100644 index 000000000..f12821340 --- /dev/null +++ b/khtml/html/html_formimpl.h @@ -0,0 +1,606 @@ +/* + * This file is part of the DOM implementation for KDE. + * + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2000 Dirk Mueller (mueller@kde.org) + * (C) 2004, 2005, 2006 Apple Computer, Inc. + * + * 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; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ +#ifndef HTML_FORMIMPL_H +#define HTML_FORMIMPL_H + +#include "html/html_elementimpl.h" +#include "html/html_imageimpl.h" +#include "dom/html_element.h" + +#include <qvaluelist.h> +#include <qptrlist.h> +#include <qcstring.h> +#include <qmemarray.h> + +class KHTMLView; +class QTextCodec; + +namespace khtml +{ + class RenderFormElement; + class RenderTextArea; + class RenderSelect; + class RenderLineEdit; + class RenderRadioButton; + class RenderFileButton; + + typedef QValueList<QCString> encodingList; +} + +namespace KWallet { + class Wallet; +} + +namespace DOM { + +class HTMLFormElement; +class DOMString; +class HTMLGenericFormElementImpl; +class HTMLOptionElementImpl; + +// ------------------------------------------------------------------------- + +class HTMLFormElementImpl : public HTMLElementImpl +{ +public: + HTMLFormElementImpl(DocumentImpl *doc, bool implicit); + virtual ~HTMLFormElementImpl(); + + virtual Id id() const; + + virtual void insertedIntoDocument(); + virtual void removedFromDocument(); + virtual void addId(const QString& id); + virtual void removeId(const QString& id); + + + long length() const; + + QByteArray formData(bool& ok); + + DOMString enctype() const { return m_enctype; } + void setEnctype( const DOMString & ); + + bool autoComplete() const { return m_autocomplete; } + void doAutoFill(); + void walletOpened(KWallet::Wallet *w); + + virtual void parseAttribute(AttributeImpl *attr); + + void radioClicked( HTMLGenericFormElementImpl *caller ); + + void registerFormElement(HTMLGenericFormElementImpl *); + void removeFormElement(HTMLGenericFormElementImpl *); + void registerImgElement(HTMLImageElementImpl *); + void removeImgElement(HTMLImageElementImpl *); + + void submitFromKeyboard(); + bool prepareSubmit(); + void submit(); + void reset(); + + void setMalformed(bool malformed) { m_malformed = malformed; } + bool isMalformed() const { return m_malformed; } + + friend class HTMLFormElement; + friend class HTMLFormCollectionImpl; + +private: + void gatherWalletData(); + QPtrList<HTMLGenericFormElementImpl> formElements; + QPtrList<HTMLImageElementImpl> imgElements; + DOMString m_target; + DOMString m_enctype; + QString m_boundary; + DOMString m_acceptcharset; + QString m_encCharset; + bool m_post : 1; + bool m_multipart : 1; + bool m_autocomplete : 1; + bool m_insubmit : 1; + bool m_doingsubmit : 1; + bool m_inreset : 1; + bool m_malformed : 1; + bool m_haveTextarea : 1; // for wallet storage + bool m_havePassword : 1; // for wallet storage + DOMString m_name; // our name + QMap<QString, QString> m_walletMap; // for wallet storage +}; + +// ------------------------------------------------------------------------- + +class HTMLGenericFormElementImpl : public HTMLElementImpl +{ + friend class HTMLFormElementImpl; + friend class khtml::RenderFormElement; + +public: + HTMLGenericFormElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + virtual ~HTMLGenericFormElementImpl(); + + HTMLFormElementImpl *form() { return m_form; } + + virtual void parseAttribute(AttributeImpl *attr); + virtual void attach(); + virtual void reset() {} + + virtual void insertedIntoDocument(); + virtual void removedFromDocument(); + + void onSelect(); + void onChange(); + + bool disabled() const { return m_disabled; } + void setDisabled(bool _disabled); + + virtual bool isFocusable() const; + virtual bool isEnumeratable() const { return false; } + + bool readOnly() const { return m_readOnly; } + void setReadOnly(bool _readOnly) { m_readOnly = _readOnly; } + + DOMString name() const; + void setName(const DOMString& name); + + virtual bool isGenericFormElement() const { return true; } + + /* + * override in derived classes to get the encoded name=value pair + * for submitting + * return true for a successful control (see HTML4-17.13.2) + */ + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool) { return false; } + + virtual void defaultEventHandler(EventImpl *evt); + virtual bool isEditable(); + +protected: + HTMLFormElementImpl *getForm() const; + + DOMStringImpl* m_name; + HTMLFormElementImpl *m_form; + bool m_disabled, m_readOnly; +}; + +// ------------------------------------------------------------------------- + +class HTMLButtonElementImpl : public HTMLGenericFormElementImpl +{ +public: + HTMLButtonElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + + virtual ~HTMLButtonElementImpl(); + + enum typeEnum { + SUBMIT, + RESET, + BUTTON + }; + + virtual Id id() const; + virtual bool isEnumeratable() const { return true; } + + DOMString type() const; + typeEnum buttonType() const { return m_type; } + virtual void parseAttribute(AttributeImpl *attr); + virtual void defaultEventHandler(EventImpl *evt); + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool); + void activate(); + virtual void attach(); + void click(); + void blur(); + void focus(); + +protected: + DOMString m_value; + QString m_currValue; + typeEnum m_type : 2; + bool m_dirty : 1; + bool m_clicked : 1; + bool m_activeSubmit : 1; +}; + +// ------------------------------------------------------------------------- + +class HTMLFieldSetElementImpl : public HTMLGenericFormElementImpl +{ +public: + HTMLFieldSetElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + + virtual ~HTMLFieldSetElementImpl(); + + virtual Id id() const; + virtual void attach(); + virtual void parseAttribute(AttributeImpl *attr); + +}; + +// ------------------------------------------------------------------------- + +class HTMLInputElementImpl : public HTMLGenericFormElementImpl +{ + friend class khtml::RenderLineEdit; + friend class khtml::RenderRadioButton; + friend class khtml::RenderFileButton; + +public: + // do not change the order! + enum typeEnum { + TEXT, + PASSWORD, + ISINDEX, + CHECKBOX, + RADIO, + SUBMIT, + RESET, + FILE, + HIDDEN, + IMAGE, + BUTTON + }; + + HTMLInputElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + virtual ~HTMLInputElementImpl(); + + virtual Id id() const; + + virtual bool isEnumeratable() const { return inputType() != IMAGE; } + + bool autoComplete() const { return m_autocomplete; } + + bool checked() const { return m_useDefaultChecked ? m_defaultChecked : m_checked; } + void setChecked(bool); + bool indeterminate() const { return m_indeterminate; } + void setIndeterminate(bool); + long maxLength() const { return m_maxLen; } + int size() const { return m_size; } + DOMString type() const; + void setType(const DOMString& t); + + DOMString value() const; + void setValue(DOMString val); + + DOMString valueWithDefault() const; + + void blur(); + void focus(); + + virtual bool maintainsState() { return true; } + virtual QString state(); + virtual void restoreState(const QString &state); + + void select(); + void click(); + + virtual void parseAttribute(AttributeImpl *attr); + + virtual void attach(); + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool); + + typeEnum inputType() const { return m_type; } + virtual void reset(); + + // used in case input type=image was clicked. + int clickX() const { return xPos; } + int clickY() const { return yPos; } + + virtual void defaultEventHandler(EventImpl *evt); + virtual bool isEditable(); + + DOMString altText() const; + void activate(); + + void setUnsubmittedFormChange(bool unsubmitted) { m_unsubmittedFormChange = unsubmitted; } + + //Mozilla extensions. + long selectionStart(); + long selectionEnd(); + void setSelectionStart(long pos); + void setSelectionEnd (long pos); + void setSelectionRange(long start, long end); +protected: + void parseType(const DOMString& t); + + DOMString m_value; + int xPos; + short m_maxLen; + short m_size; + short yPos; + + typeEnum m_type : 4; + bool m_clicked : 1 ; + bool m_checked : 1; + bool m_defaultChecked : 1; // could do without by checking ATTR_CHECKED + bool m_useDefaultChecked : 1; + bool m_indeterminate : 1; + bool m_haveType : 1; + bool m_activeSubmit : 1; + bool m_autocomplete : 1; + bool m_inited : 1; + bool m_unsubmittedFormChange : 1; +}; + +// ------------------------------------------------------------------------- + +class HTMLLabelElementImpl : public HTMLGenericFormElementImpl +{ +public: + HTMLLabelElementImpl(DocumentImpl *doc); + virtual ~HTMLLabelElementImpl(); + + virtual Id id() const; + virtual void attach(); + virtual void defaultEventHandler(EventImpl *evt); + virtual bool isFocusable() const { return true; }; + virtual bool isTabFocusable() const { return false; }; + NodeImpl* getFormElement(); + + private: + DOMString m_formElementID; +}; + +// ------------------------------------------------------------------------- + +class HTMLLegendElementImpl : public HTMLGenericFormElementImpl +{ +public: + HTMLLegendElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + virtual ~HTMLLegendElementImpl(); + + virtual Id id() const; + virtual void attach(); + virtual void parseAttribute(AttributeImpl *attr); +}; + + +// ------------------------------------------------------------------------- + +class HTMLSelectElementImpl : public HTMLGenericFormElementImpl +{ + friend class khtml::RenderSelect; + +public: + HTMLSelectElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + ~HTMLSelectElementImpl(); + + virtual Id id() const; + + DOMString type() const; + + long selectedIndex() const; + void setSelectedIndex( long index ); + + virtual bool isEnumeratable() const { return true; } + + long length() const; + + long minWidth() const { return m_minwidth; } + + long size() const { return m_size; } + + bool multiple() const { return m_multiple; } + + void add ( const HTMLElement &element, const HTMLElement &before, int& exceptioncode ); + void remove ( long index ); + void blur(); + void focus(); + + DOMString value() const; + void setValue(DOMStringImpl* value); + + virtual bool maintainsState() { return true; } + virtual QString state(); + virtual void restoreState(const QString &state); + + virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode ); + virtual void replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode ); + virtual void removeChild ( NodeImpl *oldChild, int &exceptioncode ); + virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode ); + virtual NodeImpl *addChild( NodeImpl* newChild ); + + virtual void childrenChanged(); + + virtual void parseAttribute(AttributeImpl *attr); + + virtual void attach(); + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool); + + // get the actual listbox index of the optionIndexth option + int optionToListIndex(int optionIndex) const; + // reverse of optionToListIndex - get optionIndex from listboxIndex + int listToOptionIndex(int listIndex) const; + + void setRecalcListItems(); + + QMemArray<HTMLGenericFormElementImpl*> listItems() const + { + if (m_recalcListItems) const_cast<HTMLSelectElementImpl*>(this)->recalcListItems(); + return m_listItems; + } + virtual void reset(); + void notifyOptionSelected(HTMLOptionElementImpl *selectedOption, bool selected); + +private: + void recalcListItems() const; + +protected: + mutable QMemArray<HTMLGenericFormElementImpl*> m_listItems; + short m_minwidth; + signed short m_size : 15; + bool m_multiple : 1; + mutable bool m_recalcListItems :1; + mutable unsigned int m_length:31; +}; + +// ------------------------------------------------------------------------- + +class HTMLKeygenElementImpl : public HTMLSelectElementImpl +{ +public: + HTMLKeygenElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + + virtual Id id() const; + + DOMString type() const; + + long selectedIndex() const; + void setSelectedIndex( long index ); + + // ### this is just a rough guess + virtual bool isEnumeratable() const { return false; } + + virtual void parseAttribute(AttributeImpl *attr); + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool); + +}; + +// ------------------------------------------------------------------------- + +class HTMLOptGroupElementImpl : public HTMLGenericFormElementImpl +{ +public: + HTMLOptGroupElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0) + : HTMLGenericFormElementImpl(doc, f) {} + + virtual Id id() const; +}; + + +// --------------------------------------------------------------------------- + +class HTMLOptionElementImpl : public HTMLGenericFormElementImpl +{ + friend class khtml::RenderSelect; + friend class DOM::HTMLSelectElementImpl; + +public: + HTMLOptionElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + + virtual Id id() const; + + DOMString text() const; + + long index() const; + void setIndex( long ); + virtual void parseAttribute(AttributeImpl *attr); + DOMString value() const; + void setValue(DOMStringImpl* value); + + bool selected() const { return m_selected; } + void setSelected(bool _selected); + + HTMLSelectElementImpl *getSelect() const; + +protected: + DOMString m_value; + bool m_selected; +}; + + +// ------------------------------------------------------------------------- + +class HTMLTextAreaElementImpl : public HTMLGenericFormElementImpl +{ + friend class khtml::RenderTextArea; + +public: + enum WrapMethod { + ta_NoWrap, + ta_Virtual, + ta_Physical + }; + + HTMLTextAreaElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + ~HTMLTextAreaElementImpl(); + + virtual Id id() const; + + long cols() const { return m_cols; } + + long rows() const { return m_rows; } + + WrapMethod wrap() const { return m_wrap; } + + virtual bool isEnumeratable() const { return true; } + + DOMString type() const; + + virtual bool maintainsState() { return true; } + virtual QString state(); + virtual void restoreState(const QString &state); + + void select ( ); + + virtual void parseAttribute(AttributeImpl *attr); + virtual void attach(); + virtual bool encoding(const QTextCodec*, khtml::encodingList&, bool); + virtual void reset(); + DOMString value(); + void setValue(DOMString _value); + DOMString defaultValue(); + void setDefaultValue(DOMString _defaultValue); + void blur(); + void focus(); + + virtual bool isEditable(); + void setUnsubmittedFormChange(bool unsubmitted) { m_unsubmittedFormChange = unsubmitted; } + + //Mozilla extensions. + long selectionStart(); + long selectionEnd(); + void setSelectionStart(long pos); + void setSelectionEnd (long pos); + void setSelectionRange(long start, long end); + long textLength(); +protected: + int m_rows; + int m_cols; + WrapMethod m_wrap; + QString m_value; + bool m_changed: 1; //States whether the contents has been editted + bool m_dirtyvalue: 1; //States whether m_value is out-of-date compared to the renderer or default + bool m_unsubmittedFormChange: 1; + bool m_initialized: 1; +}; + +// ------------------------------------------------------------------------- + +class HTMLIsIndexElementImpl : public HTMLInputElementImpl +{ +public: + HTMLIsIndexElementImpl(DocumentImpl *doc, HTMLFormElementImpl *f = 0); + ~HTMLIsIndexElementImpl(); + + virtual Id id() const; + virtual void parseAttribute(AttributeImpl *attr); + + DOMString prompt() const; + void setPrompt(const DOMString& _value); +}; + + +} //namespace + +#endif |