/*
	Copyright 2006-2013 The QElectroTech Team
	This file is part of QElectroTech.
	
	QElectroTech 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.
	
	QElectroTech 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 General Public License for more details.
	
	You should have received a copy of the GNU General Public License
	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "textfieldeditor.h"
#include "parttextfield.h"
#include "qtextorientationspinboxwidget.h"
#include "qetapp.h"
/**
	Constructeur
	@param editor L'editeur d'element concerne
	@param textfield Le champ de texte a editer
	@param parent QWidget parent
*/
TextFieldEditor::TextFieldEditor(QETElementEditor *editor, PartTextField *textfield, QWidget *parent) :
	ElementItemEditor(editor, parent),
	part(textfield)
{
	qle_x     = new QLineEdit();
	qle_y     = new QLineEdit();
	qle_text  = new QLineEdit();
	font_size = new QSpinBox();
	font_size -> setRange(0, 144);
	rotate    = new QCheckBox(tr("Ne pas subir les rotations de l'\351l\351ment parent"));
	rotate -> setChecked(true);
	QLabel *rotation_angle_label = new QLabel(tr("Angle de rotation par d\351faut : "));
	rotation_angle_label -> setWordWrap(true);
	rotation_angle_ = QETApp::createTextOrientationSpinBoxWidget();
	
	qle_x -> setValidator(new QDoubleValidator(qle_x));
	qle_y -> setValidator(new QDoubleValidator(qle_y));
	
	QVBoxLayout *main_layout = new QVBoxLayout();
	main_layout -> addWidget(new QLabel(tr("Position : ")));
	
	QHBoxLayout *position = new QHBoxLayout();
	position -> addWidget(new QLabel(tr("x : ")));
	position -> addWidget(qle_x                 );
	position -> addWidget(new QLabel(tr("y : ")));
	position -> addWidget(qle_y                 );
	main_layout -> addLayout(position);
	
	QHBoxLayout *fs = new QHBoxLayout();
	fs -> addWidget(new QLabel(tr("Taille : ")));
	fs -> addWidget(font_size);
	main_layout -> addLayout(fs);
	
	QHBoxLayout *t = new QHBoxLayout();
	t -> addWidget(new QLabel(tr("Texte par d\351faut : ")));
	t -> addWidget(qle_text);
	main_layout -> addLayout(t);
	
	QHBoxLayout *rotation_angle_layout = new QHBoxLayout();
	rotation_angle_layout -> addWidget(rotation_angle_label);
	rotation_angle_layout -> addWidget(rotation_angle_);
	main_layout -> addLayout(rotation_angle_layout);
	
	QHBoxLayout *r = new QHBoxLayout();
	r -> addWidget(rotate);
	main_layout -> addLayout(r);
	
	main_layout -> addStretch();
	setLayout(main_layout);
	updateForm();
}

/// Destructeur
TextFieldEditor::~TextFieldEditor() {
}

/**
	Permet de specifier a cet editeur quelle primitive il doit editer. A noter
	qu'un editeur peut accepter ou refuser d'editer une primitive.
	L'editeur de texte dynamique acceptera d'editer la primitive new_part s'il
	s'agit d'un objet de la classe PartTextField.
	@param new_part Nouvelle primitive a editer
	@return true si l'editeur a accepter d'editer la primitive, false sinon
*/
bool TextFieldEditor::setPart(CustomElementPart *new_part) {
	if (!new_part) {
		part = 0;
		return(true);
	}
	if (PartTextField *part_textfield = dynamic_cast<PartTextField *>(new_part)) {
		part = part_textfield;
		updateForm();
		return(true);
	} else {
		return(false);
	}
}

/**
	@return la primitive actuellement editee, ou 0 si ce widget n'en edite pas
*/
CustomElementPart *TextFieldEditor::currentPart() const {
	return(part);
}

/**
	Met a jour le champ de texte a partir des donnees du formulaire
*/
void TextFieldEditor::updateTextField() {
	if (!part) return;
	part -> setProperty("size", font_size -> value());
	part -> setPlainText(qle_text -> text());
	part -> setPos(qle_x -> text().toDouble(), qle_y -> text().toDouble());
	part -> setFollowParentRotations(!rotate -> isChecked());
}

/// Met a jour l'abscisse de la position du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldX() { addChangePartCommand(tr("abscisse"),        part, "x",      qle_x -> text().toDouble()); updateForm(); }
/// Met a jour l'ordonnee de la position du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldY() { addChangePartCommand(tr("ordonn\351e"),     part, "y",      qle_y -> text().toDouble()); updateForm(); }
/// Met a jour le texte du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldT() { addChangePartCommand(tr("contenu"),         part, "text",   qle_text -> text());         }
/// Met a jour la taille du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldS() { addChangePartCommand(tr("taille"),          part, "size",   font_size -> value());       }
/// Met a jour la taille du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldR() { addChangePartCommand(tr("propri\351t\351"), part, "rotate", !rotate -> isChecked());     }
/// Met a jour l'angle de rotation du champ de texte et cree un objet d'annulation
void TextFieldEditor::updateTextFieldRotationAngle() { addChangePartCommand(tr("angle de rotation"), part, "rotation angle", rotation_angle_ -> value()); }

/**
	Met a jour le formulaire d'edition
*/
void TextFieldEditor::updateForm() {
	if (!part) return;
	activeConnections(false);
	qle_x     -> setText(part -> property("x").toString());
	qle_y     -> setText(part -> property("y").toString());
	qle_text  -> setText(part -> property("text").toString());
	font_size -> setValue(part -> property("size").toInt());
	rotate  -> setChecked(!part -> property("rotate").toBool());
	rotation_angle_ -> setValue(part -> property("rotation angle").toDouble());
	activeConnections(true);
}

/**
	Active ou desactive les connexionx signaux/slots entre les widgets internes.
	@param active true pour activer les connexions, false pour les desactiver
*/
void TextFieldEditor::activeConnections(bool active) {
	if (active) {
		connect(qle_x,     SIGNAL(editingFinished()), this, SLOT(updateTextFieldX()));
		connect(qle_y,     SIGNAL(editingFinished()), this, SLOT(updateTextFieldY()));
		connect(qle_text,  SIGNAL(editingFinished()), this, SLOT(updateTextFieldT()));
		connect(font_size, SIGNAL(editingFinished()), this, SLOT(updateTextFieldS()));
		connect(rotate,    SIGNAL(stateChanged(int)), this, SLOT(updateTextFieldR()));
		connect(rotation_angle_, SIGNAL(editingFinished()), this, SLOT(updateTextFieldRotationAngle()));
	} else {
		disconnect(qle_x,     SIGNAL(editingFinished()), this, SLOT(updateTextFieldX()));
		disconnect(qle_y,     SIGNAL(editingFinished()), this, SLOT(updateTextFieldY()));
		disconnect(qle_text,  SIGNAL(editingFinished()), this, SLOT(updateTextFieldT()));
		disconnect(font_size, SIGNAL(editingFinished()), this, SLOT(updateTextFieldS()));
		disconnect(rotate,    SIGNAL(stateChanged(int)), this, SLOT(updateTextFieldR()));
		disconnect(rotation_angle_, SIGNAL(editingFinished()), this, SLOT(updateTextFieldRotationAngle()));
	}
}