114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/*
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* File: LBoundJsonGridPicker.cpp
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* Author: SET - nmset@yandex.com
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* License : LGPL version 2.1
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* Copyright SET, M. D. - © 2014
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*
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* Created on December 8, 2019, 9:23 AM
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*/
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#include "LBoundJsonGridPicker.h"
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#include <wx/jsonreader.h>
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IMPLEMENT_CLASS(LBoundJsonGridPicker, JsonGridPickerCtrl)
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LBoundJsonGridPicker::LBoundJsonGridPicker(wxWindow *parent,
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wxWindowID id,
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const wxArrayString& types,
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wxSize popupSize,
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const wxString& text,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& name)
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: JsonGridPickerCtrl(parent, id, types, popupSize, text, pos, size, style, validator, name)
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{
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m_sqlQuote = _T("'");
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}
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LBoundJsonGridPicker::~LBoundJsonGridPicker()
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{
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if (m_rs) m_rs->UnRegisterControl(this);
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}
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void LBoundJsonGridPicker::SetResultSet(LResultSet* newResultSet)
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{
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m_rs = newResultSet;
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if (m_rs == NULL) return;
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m_rs->RegisterControl(this);
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}
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const wxAny LBoundJsonGridPicker::GetData()
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{
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// If m_value == EMPTY_ARR, GetValue() returns empty string
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if (GetValue().IsEmpty()) return L_SQLNULL;
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return GetValue();
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}
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void LBoundJsonGridPicker::SetData(const wxAny& newData)
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{
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SetValue(newData.As<wxString>());
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}
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void LBoundJsonGridPicker::SetNull()
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{
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// m_value is set to EMPTY_ARR
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SetValue(wxEmptyString);
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}
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bool LBoundJsonGridPicker::IsDirty()
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{
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wxASSERT_MSG(m_rs != NULL, _("RS = NULL"));
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wxAny BEData = m_rs->GetData(m_columnName);
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const wxString ctrlValue = GetValue();
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/*
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* Make JSON objects from backend and control values, and compare them.
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* Postgresql : jsonb columns contain single line values. Can't compare strings.
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*/
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const wxString beValue = BEData.As<wxString>();
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if (ctrlValue.IsEmpty() || beValue.IsEmpty())
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return (ctrlValue != beValue);
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wxJSONReader beReader(wxJSONREADER_STRICT);
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wxJSONValue beRoot;
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uint nbErr = beReader.Parse(beValue, &beRoot);
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if (nbErr > 0)
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{
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const wxArrayString& errors = beReader.GetErrors();
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for (int i = 0; i < nbErr; i++)
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{
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wxASSERT_MSG(nbErr == 0, errors[i]);
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}
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// Backend value is not what we expect. Declare dirty to overwrite it.
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return true;
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}
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if (!beRoot.IsArray())
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{
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wxASSERT_MSG(beRoot.IsArray(), _("Back end JSON data is not an array"));
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return true;
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}
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wxJSONReader ctrlReader(wxJSONREADER_STRICT);
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wxJSONValue ctrlRoot;
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nbErr = beReader.Parse(ctrlValue, &ctrlRoot);
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// Should not happen as we wrote the data.
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if (nbErr > 0)
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{
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const wxArrayString& errors = ctrlReader.GetErrors();
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for (int i = 0; i < nbErr; i++)
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{
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wxASSERT_MSG(nbErr == 0, errors[i]);
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}
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// Control value is not what we expect. Don't overwrite in backend.
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return false;
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}
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if (!ctrlRoot.IsArray())
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{
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wxASSERT_MSG(ctrlRoot.IsArray(), _("Control JSON data is not an array"));
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return false;
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}
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return (!ctrlRoot.IsSameAs(beRoot));
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}
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