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      1 /**
      2  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #ifndef WMLSelectElement_h
     22 #define WMLSelectElement_h
     23 
     24 #if ENABLE(WML)
     25 #include "WMLFormControlElement.h"
     26 #include "SelectElement.h"
     27 
     28 namespace WebCore {
     29 
     30 class WMLSelectElement : public WMLFormControlElement, public SelectElement {
     31 public:
     32     static PassRefPtr<WMLSelectElement> create(const QualifiedName&, Document*);
     33 
     34     WMLSelectElement(const QualifiedName&, Document*);
     35     virtual ~WMLSelectElement();
     36 
     37     virtual const AtomicString& formControlName() const;
     38     virtual const AtomicString& formControlType() const;
     39 
     40     virtual bool isKeyboardFocusable(KeyboardEvent*) const;
     41     virtual bool isMouseFocusable() const;
     42     virtual bool canSelectAll() const { return !m_data.usesMenuList(); }
     43     virtual void selectAll();
     44 
     45     virtual void recalcStyle(StyleChange);
     46 
     47     virtual void dispatchFocusEvent();
     48     virtual void dispatchBlurEvent();
     49 
     50     virtual bool canStartSelection() const { return false; }
     51 
     52     virtual int selectedIndex() const;
     53     virtual void setSelectedIndex(int index, bool deselect = true);
     54     virtual void setSelectedIndexByUser(int index, bool deselect = true, bool fireOnChangeNow = false, bool allowMultipleSelection = false);
     55 
     56     virtual int size() const { return m_data.size(); }
     57     virtual bool multiple() const { return m_data.multiple(); }
     58 
     59     virtual bool saveFormControlState(String& value) const;
     60     virtual void restoreFormControlState(const String&);
     61 
     62     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
     63 
     64     virtual void parseMappedAttribute(Attribute*);
     65 
     66     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
     67     virtual bool appendFormData(FormDataList&, bool);
     68     virtual int optionToListIndex(int optionIndex) const;
     69     virtual int listToOptionIndex(int listIndex) const;
     70 
     71     virtual const Vector<Element*>& listItems() const { return m_data.listItems(this); }
     72     virtual void reset();
     73 
     74     virtual void defaultEventHandler(Event*);
     75     virtual void accessKeyAction(bool sendToAnyElement);
     76     virtual void setActiveSelectionAnchorIndex(int index);
     77     virtual void setActiveSelectionEndIndex(int index);
     78     virtual void updateListBoxSelection(bool deselectOtherOptions);
     79     virtual void listBoxOnChange();
     80     virtual void menuListOnChange();
     81 
     82     virtual int activeSelectionStartListIndex() const;
     83     virtual int activeSelectionEndListIndex() const;
     84 
     85     void accessKeySetSelectedIndex(int);
     86     void setRecalcListItems();
     87     void scrollToSelection();
     88     void selectInitialOptions();
     89 
     90     bool initialized() const { return m_initialized; }
     91 
     92     virtual void listBoxSelectItem(int listIndex, bool allowMultiplySelections, bool shift, bool fireOnChangeNow = true);
     93 private:
     94     virtual void insertedIntoTree(bool);
     95 
     96     void calculateDefaultOptionIndices();
     97     void selectDefaultOptions();
     98     void initializeVariables();
     99     void updateVariables();
    100 
    101     Vector<unsigned> parseIndexValueString(const String&) const;
    102     Vector<unsigned> valueStringToOptionIndices(const String&) const;
    103     String optionIndicesToValueString() const;
    104     String optionIndicesToString() const;
    105 
    106     virtual void updateValidity() {}
    107 
    108     String name() const;
    109     String value() const;
    110     String iname() const;
    111     String ivalue() const;
    112 
    113     SelectElementData m_data;
    114     bool m_initialized;
    115     Vector<unsigned> m_defaultOptionIndices;
    116 };
    117 
    118 }
    119 
    120 #endif
    121 #endif
    122