list_controller.cpp
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#include "list_controller.h"
#include "../app.h"
#include "../../i18n.h"
#include <assert.h>
#include <escher/metric.h>
using namespace Shared;
namespace Graph {
ListController::ListController(Responder * parentResponder, CartesianFunctionStore * functionStore, ButtonRowController * header, ButtonRowController * footer) :
Shared::ListController(parentResponder, functionStore, header, footer, I18n::Message::AddFunction),
m_functionTitleCells{},
m_expressionCells{},
m_parameterController(this, functionStore, I18n::Message::FunctionColor, I18n::Message::DeleteFunction)
{
}
const char * ListController::title() {
return I18n::translate(I18n::Message::FunctionTab);
}
int ListController::numberOfRows() {
if (m_functionStore->numberOfFunctions() == m_functionStore->maxNumberOfFunctions()) {
return m_functionStore->numberOfFunctions();
}
return 1 + m_functionStore->numberOfFunctions();
};
KDCoordinate ListController::rowHeight(int j) {
if (m_functionStore->numberOfFunctions() < m_functionStore->maxNumberOfFunctions() && j == numberOfRows() - 1) {
return Metric::StoreRowHeight;
}
Function * function = m_functionStore->functionAtIndex(j);
if (function->layout() == nullptr) {
return Metric::StoreRowHeight;
}
KDCoordinate functionSize = function->layout()->size().height();
return functionSize + Metric::StoreRowHeight - KDText::charSize().height();
}
void ListController::editExpression(Function * function, Ion::Events::Event event) {
char * initialText = nullptr;
char initialTextContent[TextField::maxBufferSize()];
if (event == Ion::Events::OK || event == Ion::Events::EXE) {
strlcpy(initialTextContent, function->text(), sizeof(initialTextContent));
initialText = initialTextContent;
}
App * myApp = (App *)app();
InputViewController * inputController = myApp->inputViewController();
inputController->edit(this, event, function, initialText,
[](void * context, void * sender){
Shared::Function * myFunction = (Shared::Function *)context;
InputViewController * myInputViewController = (InputViewController *)sender;
const char * textBody = myInputViewController->textBody();
myFunction->setContent(textBody);
},
[](void * context, void * sender){
});
}
ListParameterController * ListController::parameterController() {
return &m_parameterController;
}
int ListController::maxNumberOfRows() {
return k_maxNumberOfRows;
}
HighlightCell * ListController::titleCells(int index) {
assert(index >= 0 && index < k_maxNumberOfRows);
return m_functionTitleCells[index];
}
HighlightCell * ListController::expressionCells(int index) {
assert(index >= 0 && index < k_maxNumberOfRows);
return m_expressionCells[index];
}
void ListController::willDisplayTitleCellAtIndex(HighlightCell * cell, int j) {
FunctionTitleCell * myFunctionCell = (FunctionTitleCell *)cell;
CartesianFunction * function = ((CartesianFunctionStore *)m_functionStore)->functionAtIndex(j);
char bufferName[5] = {*function->name(),'(', m_functionStore->symbol(),')', 0};
myFunctionCell->setText(bufferName);
KDColor functionNameColor = function->isActive() ? function->color() : Palette::GreyDark;
myFunctionCell->setColor(functionNameColor);
}
void ListController::willDisplayExpressionCellAtIndex(HighlightCell * cell, int j) {
FunctionExpressionCell * myCell = (FunctionExpressionCell *)cell;
Function * f = m_functionStore->functionAtIndex(j);
myCell->setExpression(f->layout());
bool active = f->isActive();
KDColor textColor = active ? KDColorBlack : Palette::GreyDark;
myCell->setTextColor(textColor);
}
bool ListController::removeFunctionRow(Function * function) {
if (m_functionStore->numberOfFunctions() > 1) {
m_functionStore->removeFunction(function);
return true;
}
return false;
}
View * ListController::loadView() {
for (int i = 0; i < k_maxNumberOfRows; i++) {
m_functionTitleCells[i] = new FunctionTitleCell(FunctionTitleCell::Orientation::VerticalIndicator);
m_expressionCells[i] = new FunctionExpressionCell();
}
return Shared::ListController::loadView();
}
void ListController::unloadView(View * view) {
for (int i = 0; i < k_maxNumberOfRows; i++) {
delete m_functionTitleCells[i];
m_functionTitleCells[i] = nullptr;
delete m_expressionCells[i];
m_expressionCells[i] = nullptr;
}
Shared::ListController::unloadView(view);
}
}