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Diffstat (limited to 'Project/MathExpressionForm.cpp')
| -rw-r--r-- | Project/MathExpressionForm.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/Project/MathExpressionForm.cpp b/Project/MathExpressionForm.cpp new file mode 100644 index 0000000..58bb2cb --- /dev/null +++ b/Project/MathExpressionForm.cpp @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2017 Thales Lima Oliveira <thales@ufu.br> + * + * This program 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 + * any later version. + * + * This program 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 this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "MathExpression.h" +#include "MathExpressionForm.h" + +#define ERROR_INDICATOR 10 + +MathExpressionForm::MathExpressionForm(wxWindow* parent, MathExpression* mathExpr) : MathExpressionFormBase(parent) +{ + m_parent = parent; + m_mathExpr = mathExpr; + + // Variables string. + wxString variables = ""; + for(unsigned int i = 0; i < m_mathExpr->GetVariables().size(); ++i) { + variables += m_mathExpr->GetVariables()[i] + " "; + } + variables.RemoveLast(); + + // Variables text ctrl. + wxFont variablesFont = m_textCtrlVariables->GetFont(); + variablesFont.SetWeight(wxFONTWEIGHT_BOLD); + m_textCtrlVariables->SetFont(variablesFont); + m_textCtrlVariables->SetForegroundColour(wxColour(160, 0, 0)); + m_textCtrlVariables->SetValue(variables); + + m_stcMathExpr->SetText(m_mathExpr->GetMathExpression()); + + m_staticTextCheckStatus->SetLabel(_("No checks performed.")); + SetSintaxHighlights(); + m_stcMathExpr->SetTabWidth(3); + + // Error indicator + m_stcMathExpr->IndicatorSetUnder(ERROR_INDICATOR, true); + m_stcMathExpr->IndicatorSetStyle(ERROR_INDICATOR, wxSTC_INDIC_ROUNDBOX); + m_stcMathExpr->IndicatorSetAlpha(ERROR_INDICATOR, 200); + m_stcMathExpr->IndicatorSetUnder(ERROR_INDICATOR, true); + m_stcMathExpr->IndicatorSetForeground(ERROR_INDICATOR, wxColor(255, 85, 0)); + m_stcMathExpr->SetIndicatorCurrent(ERROR_INDICATOR); + + // Parser error messages to translation. + m_translatedErrorMsg.clear(); + m_translatedErrorMsg.push_back(_("Syntax error")); + m_translatedErrorMsg.push_back(_("Mismatched parenthesis")); + m_translatedErrorMsg.push_back(_("Missing ')'")); + m_translatedErrorMsg.push_back(_("Empty parentheses")); + m_translatedErrorMsg.push_back(_("Syntax error: Operator expected")); + m_translatedErrorMsg.push_back(_("Not enough memory")); + m_translatedErrorMsg.push_back(_("An unexpected error occurred")); + m_translatedErrorMsg.push_back(_("Syntax error in input variables")); + m_translatedErrorMsg.push_back(_("Illegal number of parameters to function")); + m_translatedErrorMsg.push_back(_("Syntax error: Premature end of string")); + m_translatedErrorMsg.push_back(_("Syntax error: Expecting ( after function")); + m_translatedErrorMsg.push_back(_("Syntax error: Unknown identifier")); + m_translatedErrorMsg.push_back(_("No function has been parsed yet")); +} + +MathExpressionForm::~MathExpressionForm() {} + +void MathExpressionForm::OnCheckButtonClick(wxCommandEvent& event) { CheckMathExpression(); } + +void MathExpressionForm::OnOKButtonClick(wxCommandEvent& event) +{ + if(ValidateData()) EndModal(wxID_OK); +} + +bool MathExpressionForm::ValidateData() +{ + if(!CheckMathExpression()) { + wxMessageDialog msg(this, _("There is an error on math expression."), _("Error"), wxOK | wxCENTRE | wxICON_ERROR); + msg.ShowModal(); + return false; + } + wxString rawVariables = m_textCtrlVariables->GetValue(); + wxString var = ""; + std::vector<wxString> variables; + for(unsigned int i = 0; i < rawVariables.length(); ++i) { + if(rawVariables[i] == ' ') { + variables.push_back(var); + var = ""; + } else if((i + 1) == static_cast<unsigned int>(rawVariables.length())) { + var += rawVariables[i]; + variables.push_back(var); + } else { + var += rawVariables[i]; + } + } + + int diff = static_cast<int>(variables.size()) - static_cast<int>(m_mathExpr->GetVariables().size()); + + if(diff < 0) { + diff = std::abs(diff); + for(int i = 0; i < diff; ++i) { m_mathExpr->RemoveInNode(); } + } else if(diff > 0) { + for(int i = 0; i < diff; ++i) { m_mathExpr->AddInNode(); } + } + m_mathExpr->SetVariables(variables); + m_mathExpr->SetMathExpression(m_stcMathExpr->GetValue()); + m_mathExpr->UpdatePoints(); + return true; +} + +void MathExpressionForm::SetSintaxHighlights() +{ + wxString variables = m_textCtrlVariables->GetValue(); + + m_stcMathExpr->StyleClearAll(); + m_stcMathExpr->SetLexer(wxSTC_LEX_DMAP); + m_stcMathExpr->StyleSetForeground(wxSTC_DMAP_OPERATOR, wxColour(180, 0, 255)); + m_stcMathExpr->StyleSetForeground(wxSTC_DMAP_WORD, wxColour(10, 0, 255)); + m_stcMathExpr->StyleSetForeground(wxSTC_DMAP_WORD2, wxColour(160, 0, 0)); + // m_stcMathExpr->StyleSetForeground(wxSTC_DMAP_WORD3, wxColour(0, 150, 0)); + m_stcMathExpr->StyleSetForeground(wxSTC_DMAP_NUMBER, wxColour(0, 150, 0)); + + m_stcMathExpr->StyleSetBold(wxSTC_DMAP_WORD, true); + m_stcMathExpr->StyleSetBold(wxSTC_DMAP_WORD2, true); + m_stcMathExpr->StyleSetBold(wxSTC_DMAP_WORD3, true); + + m_stcMathExpr->SetKeyWords( + 0, wxT("abs acos acosh arg asin asinh atan atan2 atanh cbrt conj ceil cos cosh cot csc eval exp exp2 floor " + "hypot if imag int log log2 log10 max min polar pow real sec sin sinh sqrt tan tanh trunc")); + m_stcMathExpr->SetKeyWords(1, wxT("time step switch ") + variables); + m_stcMathExpr->SetKeyWords(2, wxT("true false open closed pi e")); +} + +void MathExpressionForm::OnTextUpdate(wxCommandEvent& event) { SetSintaxHighlights(); } + +std::string MathExpressionForm::GetVariablesToParse() +{ + wxString variables = wxT("time,step,switch,") + m_textCtrlVariables->GetValue(); + for(unsigned int i = 0; i < variables.length(); ++i) { + if(variables[i] == ' ') variables[i] = ','; + } + return static_cast<std::string>(variables); +} + +void MathExpressionForm::OnLeftClickDown(wxMouseEvent& event) +{ + m_stcMathExpr->IndicatorClearRange(0, m_stcMathExpr->GetValue().length()); + event.Skip(); +} + +bool MathExpressionForm::CheckMathExpression() +{ + bool success = true; + m_stcMathExpr->IndicatorClearRange(0, m_stcMathExpr->GetValue().length()); + int currentLang = wxLocale::GetSystemLanguage(); + wxLocale newLocale(wxLANGUAGE_ENGLISH_US); + MathExprParser parser = m_mathExpr->GetParser(); + int parserRes = parser.Parse(static_cast<std::string>(m_stcMathExpr->GetValue()), GetVariablesToParse()); + if(parserRes != -1) { + m_staticTextCheckStatus->SetLabel(m_translatedErrorMsg[parser.GetParseErrorType()]); + m_staticTextCheckStatus->SetForegroundColour(wxColor(255, 0, 0)); + m_stcMathExpr->IndicatorFillRange(parserRes, 1); + success = false; + } else { + m_staticTextCheckStatus->SetLabel(_("The math expression is correct.")); + m_staticTextCheckStatus->SetForegroundColour(wxColor(0, 128, 0)); + } + wxLocale oldLocale(currentLang); + Layout(); + return success; +} |