/**
 * @file PaiSaveAsWorkflowDialog.cpp
 */
#include "PaiSaveAsWorkflowDialog.h"
#include "PaiProjectComboBox.h"
#include "PaiPushButton.h"
#include "PaiObject.h"
#include "PaiLineEdit.h"
#include "PaiSurvey.h"
#include "GlobalUtility.h"
#include "WorkflowConst.h"
#include "SaveHelper.h"
#include "PaiLabel.h"
#include "PaiNameLineEdit.h"

#include <QFrame>
#include <QLabel>
#include <QCloseEvent>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QString>

using namespace pai;
using namespace pai::gui;
using namespace pai::objectmodel;



PaiSaveAsWorkflowDialog::PaiSaveAsWorkflowDialog(long long /*defaultProject*/, long long defaultSurvey, const QString &workflowName, QWidget *parent)
    : PaiDialog(parent)
{
    setWindowTitle(tr(g_szSaveAs));
    QVBoxLayout *pSaveAsLayout = new QVBoxLayout(GetContainer());
    pSaveAsLayout->setSpacing(6);
    pSaveAsLayout->setContentsMargins(9, 9, 9, 9);

    QLabel* label1 = new QLabel(g_szProjectSurver, this);
    QHBoxLayout *pSurveyLayout = new QHBoxLayout;
    m_pProjectComboBox = new PaiProjectComboBox(new PaiComboBox, this);
    m_pProjectComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    m_pProjectComboBox->GetSurveyComboBox()->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);


    m_pProjectComboBox->SetCurrentSurvey(defaultSurvey);
    pSurveyLayout->addWidget(m_pProjectComboBox);
    pSurveyLayout->addWidget(new QLabel("/"));
    pSurveyLayout->addWidget(m_pProjectComboBox->GetSurveyComboBox());

    QLabel* label2 = new QLabel(g_szWorkflowName, this);
    m_WorkflowNameLEdit = new PaiNameLineEdit();
    PaiLabel *pMaxLenMsg = new PaiLabel();
    QVBoxLayout *pBobLayout = new QVBoxLayout();
    pBobLayout->setSpacing(0);
    pBobLayout->addWidget(m_WorkflowNameLEdit);
    pBobLayout->addWidget(pMaxLenMsg);

    m_WorkflowNameLEdit->SetPromptLabel(pMaxLenMsg);

    m_WorkflowNameLEdit->setText(workflowName);

    QHBoxLayout *horizontalLayout = new QHBoxLayout();
    m_SaveBtn = new PaiPushButton(g_szSave, this);
    m_SaveBtn->setFixedSize(85,25);
    m_CancelBtn = new PaiPushButton("Cancel",this);
    m_CancelBtn->setFixedSize(85,25);

    horizontalLayout->addWidget(m_SaveBtn);
    horizontalLayout->addWidget(m_CancelBtn);
    horizontalLayout->setAlignment(Qt::AlignRight);

    pSaveAsLayout->addWidget(label1);
    pSaveAsLayout->addLayout(pSurveyLayout);
    pSaveAsLayout->addWidget(label2);
    pSaveAsLayout->addLayout(pBobLayout);
    pSaveAsLayout->addLayout(horizontalLayout);
    this->setMinimumHeight(minimumHeight());
    this->setMaximumHeight(minimumHeight());

    connect(m_SaveBtn, SIGNAL(clicked()), this, SLOT(accept()));
    connect(m_CancelBtn, SIGNAL(clicked()), this, SLOT(reject()));
    connect(m_WorkflowNameLEdit, SIGNAL(textChanged(const QString &)), this, SLOT(CheckInput()));
    connect(m_pProjectComboBox, SIGNAL(SurveyChanged()), this, SLOT(CheckInput()));
}

PaiSaveAsWorkflowDialog::~PaiSaveAsWorkflowDialog()
{
}

void PaiSaveAsWorkflowDialog::showEvent(QShowEvent *pEvent)
{
    if(m_WorkflowNameLEdit != NULL)
    {
        m_WorkflowNameLEdit->selectAll();
        m_WorkflowNameLEdit->setFocus();
    }
	QDialog::showEvent(pEvent);
}

void PaiSaveAsWorkflowDialog::ResetValidateNameEdit()
{
    if (m_WorkflowNameLEdit != NULL)
    {
        QString maxLenMsg = tr(g_szNameLenght).arg(m_WorkflowNameLEdit->maxLength());
        m_WorkflowNameLEdit->ShowPromptMessge(maxLenMsg, PaiLineEdit::PT_Information);
    }
}


QString PaiSaveAsWorkflowDialog::GetSaveAsWorkflowName() const
{
    if(m_WorkflowNameLEdit)
    {
        return m_WorkflowNameLEdit->text();
    }
    else
    {
        return "";
    }
}

pai::objectmodel::PaiSurvey* PaiSaveAsWorkflowDialog::GetSelectedSurvey() const
{
    if(m_pProjectComboBox != NULL)
    {
        return m_pProjectComboBox->GetSelectedSurvey();
    }
    else
    {
        return NULL;
    }
}

void PaiSaveAsWorkflowDialog::CheckInput()
{
	ResetValidateNameEdit();
	bool bSurveyEmpty = false;
	pai::objectmodel::PaiSurvey *pSurvey = GetSelectedSurvey();
	if (!pSurvey || pSurvey->GetName().isEmpty())
	{
		bSurveyEmpty = true;
	}
	if(m_SaveBtn && m_WorkflowNameLEdit)
	{
	    m_SaveBtn->setDisabled(m_WorkflowNameLEdit->text().isEmpty() || bSurveyEmpty);
	}
}