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#ifndef MESSAGEEDITORWIDGETS_H

#define MESSAGEEDITORWIDGETS_H

#include <QIcon>

#include <QImage>

#include <QLabel>

#include <QMap>

#include <QTextEdit>

#include <QUrl>

#include <QWidget>

QT_BEGIN_NAMESPACE

class QAbstractButton;

class QAction;

class QContextMenuEvent;

class QKeyEvent;

class QMenu;

class QSizeF;

class QString;

class QVariant;

class MessageHighlighter;

/*

  Automatically adapt height to document contents

 */

class ExpandingTextEdit : public QTextEdit

{

    Q_OBJECT

public:

    ExpandingTextEdit(QWidget *parent = 0);

    QSize sizeHint() const;

    QSize minimumSizeHint() const;

private slots:

    void updateHeight(const QSizeF &documentSize);

    void reallyEnsureCursorVisible();

private:

    int m_minimumHeight;

};

/*

  Format markup & control characters

*/

class FormatTextEdit : public ExpandingTextEdit

{

    Q_OBJECT

public:

    FormatTextEdit(QWidget *parent = 0);

    void setEditable(bool editable);

public slots:

    void setPlainText(const QString & text, bool userAction);

private:

    MessageHighlighter *m_highlighter;

};

/*

  Displays text field & associated label

*/

class FormWidget : public QWidget

{

    Q_OBJECT

public:

    FormWidget(const QString &label, bool isEditable, QWidget *parent = 0);

    void setLabel(const QString &label) { m_label->setText(label); }

    void setTranslation(const QString &text, bool userAction = false);

    void clearTranslation() { setTranslation(QString(), false); }

    QString getTranslation() { return m_editor->toPlainText(); }

    void setEditingEnabled(bool enable);

    void setHideWhenEmpty(bool optional) { m_hideWhenEmpty = optional; }

    FormatTextEdit *getEditor() { return m_editor; }

signals:

    void textChanged(QTextEdit *);

    void selectionChanged(QTextEdit *);

    void cursorPositionChanged();

private slots:

    void slotSelectionChanged();

    void slotTextChanged();

private:

    QLabel *m_label;

    FormatTextEdit *m_editor;

    bool m_hideWhenEmpty;

};

/*

  Displays text fields & associated label

*/

class FormMultiWidget : public QWidget

{

    Q_OBJECT

public:

    FormMultiWidget(const QString &label, QWidget *parent = 0);

    void setLabel(const QString &label) { m_label->setText(label); }

    void setTranslation(const QString &text, bool userAction = false);

    void clearTranslation() { setTranslation(QString(), false); }

    QString getTranslation() const;

    void setEditingEnabled(bool enable);

    void setMultiEnabled(bool enable);

    void setHideWhenEmpty(bool optional) { m_hideWhenEmpty = optional; }

    const QList<FormatTextEdit *> &getEditors() const { return m_editors; }

signals:

    void editorCreated(QTextEdit *);

    void textChanged(QTextEdit *);

    void selectionChanged(QTextEdit *);

    void cursorPositionChanged();

protected:

    bool eventFilter(QObject *watched, QEvent *event);

private slots:

    void slotTextChanged();

    void slotSelectionChanged();

    void minusButtonClicked();

    void plusButtonClicked();

private:

    void addEditor(int idx);

    void updateLayout();

    QAbstractButton *makeButton(const QIcon &icon, const char *slot);

    void insertEditor(int idx);

    void deleteEditor(int idx);

    QLabel *m_label;

    QList<FormatTextEdit *> m_editors;

    QList<QWidget *> m_plusButtons;

    QList<QAbstractButton *> m_minusButtons;

    bool m_hideWhenEmpty;

    bool m_multiEnabled;

    QIcon m_plusIcon, m_minusIcon;

};

QT_END_NAMESPACE

#endif // MESSAGEEDITORWIDGETS_H