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87591369b8
When opening the window for choosing the regression model, the row corresponding to the currently selected model will be highlighted. Change-Id: I65772186fc302c3706a5571f98ecff620e4a8ca9
92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
#include "regression_controller.h"
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#include "model/cubic_model.h"
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#include "model/exponential_model.h"
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#include "model/linear_model.h"
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#include "model/logarithmic_model.h"
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#include "model/logistic_model.h"
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#include "model/power_model.h"
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#include "model/quadratic_model.h"
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#include "model/quartic_model.h"
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#include "model/trigonometric_model.h"
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#include <assert.h>
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using namespace Poincare;
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namespace Regression {
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RegressionController::RegressionController(Responder * parentResponder, Store * store) :
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ViewController(parentResponder),
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ListViewDataSource(),
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SelectableTableViewDataSource(),
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m_selectableTableView(this, this, this),
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m_store(store),
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m_series(-1)
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{
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}
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const char * RegressionController::title() {
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return I18n::translate(I18n::Message::Regression);
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}
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void RegressionController::didBecomeFirstResponder() {
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selectCellAtLocation(0, static_cast<uint8_t>(m_store->seriesRegressionType(m_series)));
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Container::activeApp()->setFirstResponder(&m_selectableTableView);
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}
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bool RegressionController::handleEvent(Ion::Events::Event event) {
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if (event == Ion::Events::OK || event == Ion::Events::EXE) {
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assert(m_series > -1);
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m_store->setSeriesRegressionType(m_series, (Model::Type)selectedRow());
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StackViewController * stack = static_cast<StackViewController *>(parentResponder());
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stack->pop();
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stack->pop();
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return true;
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}
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if (event == Ion::Events::Left) {
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StackViewController * stack = static_cast<StackViewController *>(parentResponder());
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stack->pop();
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return true;
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}
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return false;
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}
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KDCoordinate RegressionController::rowHeight(int j) {
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assert (j >= 0 && j < numberOfRows());
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return j == numberOfRows() -1 ? k_logisticCellHeight : Metric::ParameterCellHeight;
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}
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KDCoordinate RegressionController::cumulatedHeightFromIndex(int j) {
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assert (j >= 0 && j <= numberOfRows());
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KDCoordinate result = 0;
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for (int i = 0; i < j; i++) {
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result+= rowHeight(i);
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}
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return result;
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}
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int RegressionController::indexFromCumulatedHeight(KDCoordinate offsetY) {
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int result = 0;
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int j = 0;
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while (result < offsetY && j < numberOfRows()) {
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result += rowHeight(j++);
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}
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return (result < offsetY || offsetY == 0) ? j : j - 1;
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}
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HighlightCell * RegressionController::reusableCell(int index, int type) {
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assert(index >= 0);
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assert(index < k_numberOfCells);
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return &m_regressionCells[index];
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}
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void RegressionController::willDisplayCellAtLocation(HighlightCell * cell, int i, int j) {
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assert(i == 0);
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assert(j >= 0 && j < k_numberOfRows);
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I18n::Message messages[k_numberOfRows] = {I18n::Message::Linear, I18n::Message::Proportional, I18n::Message::Quadratic, I18n::Message::Cubic, I18n::Message::Quartic, I18n::Message::Logarithmic, I18n::Message::Exponential, I18n::Message::Power, I18n::Message::Trigonometrical, I18n::Message::Logistic};
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MessageTableCellWithExpression * castedCell = static_cast<MessageTableCellWithExpression *>(cell);
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castedCell->setMessage(messages[j]);
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castedCell->setLayout(m_store->regressionModel((Model::Type) j)->layout());
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}
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}
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