6663b6c9
 adorian
projet complet av...
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#include "edit_expression_controller.h"
#include "app.h"
#include "../apps_container.h"
#include <ion/display.h>
#include <poincare/preferences.h>
#include <assert.h>
using namespace Shared;
using namespace Poincare;
namespace Calculation {
EditExpressionController::ContentView::ContentView(Responder * parentResponder, TableView * subview, TextFieldDelegate * textFieldDelegate, ExpressionLayoutFieldDelegate * expressionLayoutFieldDelegate) :
View(),
m_mainView(subview),
m_layout(new Poincare::HorizontalLayout()),
m_expressionField(parentResponder, m_textBody, k_bufferLength, m_layout, textFieldDelegate, expressionLayoutFieldDelegate)
{
m_textBody[0] = 0;
}
EditExpressionController::ContentView::~ContentView() {
delete m_layout;
}
View * EditExpressionController::ContentView::subviewAtIndex(int index) {
assert(index >= 0 && index < numberOfSubviews());
if (index == 0) {
return m_mainView;
}
assert(index == 1);
return &m_expressionField;
}
void EditExpressionController::ContentView::layoutSubviews() {
KDCoordinate inputViewFrameHeight = m_expressionField.minimalSizeForOptimalDisplay().height();
KDRect mainViewFrame(0, 0, bounds().width(), bounds().height() - inputViewFrameHeight);
m_mainView->setFrame(mainViewFrame);
KDRect inputViewFrame(0, bounds().height() - inputViewFrameHeight, bounds().width(), inputViewFrameHeight);
m_expressionField.setFrame(inputViewFrame);
}
void EditExpressionController::ContentView::reload() {
layoutSubviews();
markRectAsDirty(bounds());
}
EditExpressionController::EditExpressionController(Responder * parentResponder, HistoryController * historyController, CalculationStore * calculationStore) :
DynamicViewController(parentResponder),
m_historyController(historyController),
m_calculationStore(calculationStore),
m_inputViewHeightIsMaximal(false)
{
m_cacheBuffer[0] = 0;
}
void EditExpressionController::insertTextBody(const char * text) {
((ContentView *)view())->expressionField()->handleEventWithText(text, false, true);
}
bool EditExpressionController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::Up) {
if (m_calculationStore->numberOfCalculations() > 0) {
m_cacheBuffer[0] = 0;
((ContentView *)view())->expressionField()->setEditing(false, false);
app()->setFirstResponder(m_historyController);
}
return true;
}
return false;
}
void EditExpressionController::didBecomeFirstResponder() {
int lastRow = m_calculationStore->numberOfCalculations() > 0 ? m_calculationStore->numberOfCalculations()-1 : 0;
m_historyController->scrollToCell(0, lastRow);
((ContentView *)view())->expressionField()->setEditing(true, false);
app()->setFirstResponder(((ContentView *)view())->expressionField());
}
bool EditExpressionController::textFieldDidReceiveEvent(::TextField * textField, Ion::Events::Event event) {
if (textField->isEditing() && textField->textFieldShouldFinishEditing(event) && textField->draftTextLength() == 0 && m_cacheBuffer[0] != 0) {
return inputViewDidReceiveEvent(event);
}
return textFieldDelegateApp()->textFieldDidReceiveEvent(textField, event);
}
bool EditExpressionController::textFieldDidFinishEditing(::TextField * textField, const char * text, Ion::Events::Event event) {
return inputViewDidFinishEditing(text, nullptr);
}
bool EditExpressionController::textFieldDidAbortEditing(::TextField * textField) {
return inputViewDidAbortEditing(textField->text());
}
bool EditExpressionController::expressionLayoutFieldDidReceiveEvent(::ExpressionLayoutField * expressionLayoutField, Ion::Events::Event event) {
if (expressionLayoutField->isEditing() && expressionLayoutField->expressionLayoutFieldShouldFinishEditing(event) && !expressionLayoutField->hasText() && m_calculationStore->numberOfCalculations() > 0) {
return inputViewDidReceiveEvent(event);
}
return expressionFieldDelegateApp()->expressionLayoutFieldDidReceiveEvent(expressionLayoutField, event);
}
bool EditExpressionController::expressionLayoutFieldDidFinishEditing(::ExpressionLayoutField * expressionLayoutField, ExpressionLayout * layout, Ion::Events::Event event) {
return inputViewDidFinishEditing(nullptr, layout);
}
bool EditExpressionController::expressionLayoutFieldDidAbortEditing(::ExpressionLayoutField * expressionLayoutField) {
return inputViewDidAbortEditing(nullptr);
}
void EditExpressionController::expressionLayoutFieldDidChangeSize(::ExpressionLayoutField * expressionLayoutField) {
/* Reload the view only if the ExpressionField height actually changes, i.e.
* not if the height is already maximal and stays maximal. */
if (view()) {
bool newInputViewHeightIsMaximal = static_cast<ContentView *>(view())->expressionField()->heightIsMaximal();
if (!m_inputViewHeightIsMaximal || !newInputViewHeightIsMaximal) {
m_inputViewHeightIsMaximal = newInputViewHeightIsMaximal;
reloadView();
}
}
}
TextFieldDelegateApp * EditExpressionController::textFieldDelegateApp() {
return (App *)app();
}
ExpressionFieldDelegateApp * EditExpressionController::expressionFieldDelegateApp() {
return (App *)app();
}
View * EditExpressionController::loadView() {
return new ContentView(this, (TableView *)m_historyController->view(), this, this);
}
void EditExpressionController::unloadView(View * view) {
delete view;
}
void EditExpressionController::reloadView() {
((ContentView *)view())->reload();
m_historyController->reload();
if (m_historyController->numberOfRows() > 0) {
((ContentView *)view())->mainView()->scrollToCell(0, m_historyController->numberOfRows()-1);
}
}
bool EditExpressionController::inputViewDidReceiveEvent(Ion::Events::Event event) {
App * calculationApp = (App *)app();
/* The input text store in m_cacheBuffer might have beed correct the first
* time but then be too long when replacing ans in another context */
if (!calculationApp->textInputIsCorrect(m_cacheBuffer)) {
return true;
}
m_calculationStore->push(m_cacheBuffer, calculationApp->localContext());
m_historyController->reload();
((ContentView *)view())->mainView()->scrollToCell(0, m_historyController->numberOfRows()-1);
return true;
}
bool EditExpressionController::inputViewDidFinishEditing(const char * text, ExpressionLayout * layout) {
App * calculationApp = (App *)app();
if (layout == nullptr) {
assert(text);
strlcpy(m_cacheBuffer, text, Calculation::k_printedExpressionSize);
} else {
assert(layout);
layout->writeTextInBuffer(m_cacheBuffer, Calculation::k_printedExpressionSize);
}
m_calculationStore->push(m_cacheBuffer, calculationApp->localContext());
m_historyController->reload();
((ContentView *)view())->mainView()->scrollToCell(0, m_historyController->numberOfRows()-1);
((ContentView *)view())->expressionField()->setEditing(true);
((ContentView *)view())->expressionField()->setText("");
return true;
}
bool EditExpressionController::inputViewDidAbortEditing(const char * text) {
if (text != nullptr) {
((ContentView *)view())->expressionField()->setEditing(true, true);
((ContentView *)view())->expressionField()->setText(text);
}
return false;
}
void EditExpressionController::viewDidDisappear() {
DynamicViewController::viewDidDisappear();
m_historyController->viewDidDisappear();
}
}
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