#include "toonzqt/stylenameeditor.h"

#include "tcommon.h"
#include "toonz/tpalettehandle.h"
#include "tcolorstyles.h"
#include "tpalette.h"
#include "toonz/palettecmd.h"

#include <QLineEdit>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>

StyleNameEditor::StyleNameEditor(QWidget *parent)
    : QDialog(parent), m_paletteHandle(0) {
  setWindowTitle(tr("Name Editor"));

  m_styleName    = new QLineEdit(this);
  m_okButton     = new QPushButton(tr("OK"), this);
  m_cancelButton = new QPushButton(tr("Cancel"), this);
  m_applyButton  = new QPushButton(tr("Apply"), this);

  m_styleName->setEnabled(false);
  m_okButton->setEnabled(false);
  m_okButton->setFocusPolicy(Qt::NoFocus);
  m_applyButton->setEnabled(false);
  m_cancelButton->setFocusPolicy(Qt::NoFocus);

  m_styleName->setObjectName("LargeSizedText");

  QVBoxLayout *mainLayout = new QVBoxLayout();
  mainLayout->setMargin(10);
  mainLayout->setSpacing(5);
  {
    QHBoxLayout *inputLayout = new QHBoxLayout();
    inputLayout->setMargin(0);
    inputLayout->setSpacing(3);
    {
      inputLayout->addWidget(new QLabel(tr("Style Name"), this), 0);
      inputLayout->addWidget(m_styleName, 1);
    }
    mainLayout->addLayout(inputLayout);

    QHBoxLayout *buttonLayout = new QHBoxLayout();
    buttonLayout->setMargin(0);
    buttonLayout->setSpacing(3);
    {
      buttonLayout->addWidget(m_okButton);
      buttonLayout->addWidget(m_applyButton);
      buttonLayout->addWidget(m_cancelButton);
    }
    mainLayout->addLayout(buttonLayout);
  }
  setLayout(mainLayout);

  setGeometry(640, 512, 420, 80);

  connect(m_okButton, SIGNAL(pressed()), this, SLOT(onOkPressed()));
  connect(m_cancelButton, SIGNAL(pressed()), this, SLOT(onCancelPressed()));
  connect(m_applyButton, SIGNAL(pressed()), this, SLOT(onApplyPressed()));
}

//-------
void StyleNameEditor::setPaletteHandle(TPaletteHandle *ph) {
  m_paletteHandle = ph;
  connect(m_paletteHandle, SIGNAL(colorStyleSwitched()), this,
          SLOT(onStyleSwitched()));
  connect(m_paletteHandle, SIGNAL(paletteSwitched()), this,
          SLOT(onStyleSwitched()));
  m_styleName->setEnabled(true);
  m_okButton->setEnabled(true);
  m_applyButton->setEnabled(true);
}

//-------
void StyleNameEditor::showEvent(QShowEvent *e) {
  if (m_paletteHandle) {
    disconnect(m_paletteHandle, SIGNAL(colorStyleSwitched()), this,
               SLOT(onStyleSwitched()));
    disconnect(m_paletteHandle, SIGNAL(paletteSwitched()), this,
               SLOT(onStyleSwitched()));
    connect(m_paletteHandle, SIGNAL(colorStyleSwitched()), this,
            SLOT(onStyleSwitched()));
    connect(m_paletteHandle, SIGNAL(paletteSwitched()), this,
            SLOT(onStyleSwitched()));
  }
  // update view
  onStyleSwitched();
}

//-------disconnection
void StyleNameEditor::hideEvent(QHideEvent *e) {
  disconnect(m_paletteHandle, SIGNAL(colorStyleSwitched()), this,
             SLOT(onStyleSwitched()));
  disconnect(m_paletteHandle, SIGNAL(paletteSwitched()), this,
             SLOT(onStyleSwitched()));
}

//-----update display when the current style is switched
void StyleNameEditor::onStyleSwitched() {
  if (!m_paletteHandle || !m_paletteHandle->getStyle()) return;

  std::wstring styleName = m_paletteHandle->getStyle()->getName();
  m_styleName->setText(QString::fromStdWString(styleName));
  m_styleName->selectAll();

  int styleId = m_paletteHandle->getStyleIndex();
  setWindowTitle(tr("Name Editor: # %1").arg(styleId));
}

void StyleNameEditor::onOkPressed() {
  onApplyPressed();
  close();
}
void StyleNameEditor::onApplyPressed() {
  if (!m_paletteHandle || !m_paletteHandle->getStyle()) return;
  if (m_styleName->text() == "") return;

  std::wstring newName = m_styleName->text().toStdWString();

  PaletteCmd::renamePaletteStyle(m_paletteHandle, newName);
}

void StyleNameEditor::onCancelPressed() { close(); }

// focus when the mouse enters
void StyleNameEditor::enterEvent(QEvent *e) {
  activateWindow();
  m_styleName->setFocus();
}