Files
Upsilon/apps/code/menu_controller.cpp
2018-06-05 13:57:04 +02:00

440 lines
16 KiB
C++

#include "menu_controller.h"
#include "app.h"
#include "../i18n.h"
#include "../apps_container.h"
#include <assert.h>
#include <escher/metric.h>
#include <ion/events.h>
namespace Code {
MenuController::MenuController(Responder * parentResponder, ScriptStore * scriptStore, ButtonRowController * footer) :
ViewController(parentResponder),
ButtonRowDelegate(nullptr, footer),
m_scriptStore(scriptStore),
m_addNewScriptCell(I18n::Message::AddScript),
m_consoleButton(this, I18n::Message::Console, Invocation([](void * context, void * sender) {
MenuController * menu = (MenuController *)context;
if (menu->consoleController()->loadPythonEnvironment()) {
menu->stackViewController()->push(menu->consoleController());
return;
}
//TODO: Pop up warning message: not enough space to load Python
}, this), KDText::FontSize::Large),
m_selectableTableView(this, this, this, this),
m_scriptParameterController(nullptr, I18n::Message::ScriptOptions, this),
m_editorController(this),
m_reloadConsoleWhenBecomingFirstResponder(false),
m_shouldDisplayAddScriptRow(true)
{
m_selectableTableView.setMargins(0);
m_selectableTableView.setShowsIndicators(false);
for (int i = 0; i < k_maxNumberOfDisplayableScriptCells; i++) {
m_scriptCells[i].setParentResponder(&m_selectableTableView);
m_scriptCells[i].editableTextCell()->textField()->setDelegate(this);
m_scriptCells[i].editableTextCell()->textField()->setDraftTextBuffer(m_draftTextBuffer);
m_scriptCells[i].editableTextCell()->textField()->setAlignment(0.0f, 0.5f);
m_scriptCells[i].editableTextCell()->setMargins(0, 0, 0, Metric::HistoryHorizontalMargin);
}
}
ConsoleController * MenuController::consoleController() {
return static_cast<App *>(app())->consoleController();
}
StackViewController * MenuController::stackViewController() {
return static_cast<StackViewController *>(parentResponder()->parentResponder());
}
void MenuController::willExitResponderChain(Responder * nextFirstResponder) {
int selectedRow = m_selectableTableView.selectedRow();
int selectedColumn = m_selectableTableView.selectedColumn();
if (selectedRow >= 0 && selectedRow < m_scriptStore->numberOfScripts() && selectedColumn == 0) {
TextField * tf = static_cast<EvenOddEditableTextCell *>(m_selectableTableView.selectedCell())->editableTextCell()->textField();
if (tf->isEditing()) {
tf->setEditing(false);
textFieldDidAbortEditing(tf);
}
}
}
void MenuController::didBecomeFirstResponder() {
if (m_reloadConsoleWhenBecomingFirstResponder) {
reloadConsole();
}
if (footer()->selectedButton() == 0) {
assert(m_selectableTableView.selectedRow() < 0);
app()->setFirstResponder(&m_consoleButton);
return;
}
if (m_selectableTableView.selectedRow() < 0) {
m_selectableTableView.selectCellAtLocation(0,0);
}
assert(m_selectableTableView.selectedRow() < m_scriptStore->numberOfScripts() + 1);
app()->setFirstResponder(&m_selectableTableView);
#if EPSILON_GETOPT
if (consoleController()->locked() && consoleController()->loadPythonEnvironment()) {
stackViewController()->push(consoleController());
return;
}
#endif
}
void MenuController::viewWillAppear() {
updateAddScriptRowDisplay();
}
bool MenuController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::Down) {
m_selectableTableView.deselectTable();
footer()->setSelectedButton(0);
return true;
}
if (event == Ion::Events::Up) {
if (footer()->selectedButton() == 0) {
footer()->setSelectedButton(-1);
m_selectableTableView.selectCellAtLocation(0, numberOfRows()-1);
app()->setFirstResponder(&m_selectableTableView);
return true;
}
}
if (event == Ion::Events::OK || event == Ion::Events::EXE) {
int selectedRow = m_selectableTableView.selectedRow();
int selectedColumn = m_selectableTableView.selectedColumn();
if (selectedRow >= 0 && selectedRow < m_scriptStore->numberOfScripts()) {
if (selectedColumn == 1) {
configureScript();
return true;
}
assert(selectedColumn == 0);
editScriptAtIndex(selectedRow);
return true;
} else if (m_shouldDisplayAddScriptRow
&& selectedColumn == 0
&& selectedRow == m_scriptStore->numberOfScripts())
{
addScript();
return true;
}
}
return false;
}
void MenuController::renameSelectedScript() {
assert(m_selectableTableView.selectedRow() >= 0);
assert(m_selectableTableView.selectedRow() < m_scriptStore->numberOfScripts());
static_cast<AppsContainer *>(const_cast<Container *>(app()->container()))->setShiftAlphaStatus(Ion::Events::ShiftAlphaStatus::AlphaLock);
m_selectableTableView.selectCellAtLocation(0, (m_selectableTableView.selectedRow()));
EvenOddEditableTextCell * myCell = static_cast<EvenOddEditableTextCell *>(m_selectableTableView.selectedCell());
app()->setFirstResponder(myCell);
myCell->setHighlighted(false);
const char * previousText = myCell->editableTextCell()->textField()->text();
myCell->editableTextCell()->textField()->setEditing(true);
myCell->editableTextCell()->textField()->setText(previousText);
myCell->editableTextCell()->textField()->setCursorLocation(strlen(previousText) - strlen(ScriptStore::k_scriptExtension));
}
void MenuController::deleteScript(Script script) {
assert(!script.isNull());
script.destroy();
updateAddScriptRowDisplay();
}
void MenuController::reloadConsole() {
consoleController()->unloadPythonEnvironment();
m_reloadConsoleWhenBecomingFirstResponder = false;
}
void MenuController::loadPythonIfNeeded() {
consoleController()->loadPythonEnvironment(false);
}
void MenuController::openConsoleWithScript(Script script) {
reloadConsole();
if (consoleController()->loadPythonEnvironment(false)) {
stackViewController()->push(consoleController());
consoleController()->autoImportScript(script, true);
}
m_reloadConsoleWhenBecomingFirstResponder = true;
}
void MenuController::scriptContentEditionDidFinish(){
reloadConsole();
}
int MenuController::numberOfRows() {
return m_scriptStore->numberOfScripts() + m_shouldDisplayAddScriptRow;
}
void MenuController::willDisplayCellAtLocation(HighlightCell * cell, int i, int j) {
if (i == 0 && j < m_scriptStore->numberOfScripts()) {
willDisplayScriptTitleCellForIndex(cell, j);
}
static_cast<EvenOddCell *>(cell)->setEven(j%2 == 0);
cell->setHighlighted(i == selectedColumn() && j == selectedRow());
}
KDCoordinate MenuController::columnWidth(int i) {
switch (i) {
case 0:
return m_selectableTableView.bounds().width()-k_parametersColumnWidth;
case 1:
return k_parametersColumnWidth;
default:
assert(false);
return 0;
}
}
KDCoordinate MenuController::cumulatedWidthFromIndex(int i) {
switch (i) {
case 0:
return 0;
case 1:
return m_selectableTableView.bounds().width()-k_parametersColumnWidth;
case 2:
return m_selectableTableView.bounds().width();
default:
assert(false);
return 0;
}
}
KDCoordinate MenuController::cumulatedHeightFromIndex(int j) {
return Metric::StoreRowHeight * j;
}
int MenuController::indexFromCumulatedWidth(KDCoordinate offsetX) {
if (offsetX <= m_selectableTableView.bounds().width()-k_parametersColumnWidth) {
return 0;
}
if (offsetX <= m_selectableTableView.bounds().width()) {
return 1;
}
else {
return 2;
}
assert(false);
return 0;
}
int MenuController::indexFromCumulatedHeight(KDCoordinate offsetY) {
if (Metric::StoreRowHeight == 0) {
return 0;
}
return (offsetY - 1) / Metric::StoreRowHeight;
}
HighlightCell * MenuController::reusableCell(int index, int type) {
assert(index >= 0);
if (type == ScriptCellType) {
assert(index >=0 && index < k_maxNumberOfDisplayableScriptCells);
return &m_scriptCells[index];
}
if (type == ScriptParameterCellType) {
assert(index >=0 && index < k_maxNumberOfDisplayableScriptCells);
return &m_scriptParameterCells[index];
}
if (type == AddScriptCellType) {
assert(index == 0);
return &m_addNewScriptCell;
}
if(type == EmptyCellType) {
return &m_emptyCell;
}
assert(false);
return nullptr;
}
int MenuController::reusableCellCount(int type) {
if (type == AddScriptCellType) {
return 1;
}
if (type == ScriptCellType || type == ScriptParameterCellType) {
return k_maxNumberOfDisplayableScriptCells;
}
if (type == EmptyCellType) {
return 1;
}
assert(false);
return 0;
}
int MenuController::typeAtLocation(int i, int j) {
assert(i >= 0 && i < numberOfColumns());
assert(j >= 0 && j < numberOfRows());
if (i == 0) {
if (j == numberOfRows()-1 && m_shouldDisplayAddScriptRow) {
return AddScriptCellType;
}
return ScriptCellType;
}
assert(i == 1);
if (j == numberOfRows()-1 && m_shouldDisplayAddScriptRow) {
return EmptyCellType;
}
return ScriptParameterCellType;
}
void MenuController::willDisplayScriptTitleCellForIndex(HighlightCell * cell, int index) {
assert(index >= 0 && index < m_scriptStore->numberOfScripts());
EditableTextCell * editableTextCell = static_cast<EvenOddEditableTextCell *>(cell)->editableTextCell();
editableTextCell->textField()->setText(m_scriptStore->scriptAtIndex(index).name());
}
void MenuController::tableViewDidChangeSelection(SelectableTableView * t, int previousSelectedCellX, int previousSelectedCellY) {
if (selectedRow() == numberOfRows() - 1 && selectedColumn() == 1 && m_shouldDisplayAddScriptRow) {
t->selectCellAtLocation(0, numberOfRows()-1);
}
}
bool MenuController::textFieldShouldFinishEditing(TextField * textField, Ion::Events::Event event) {
return event == Ion::Events::OK || event == Ion::Events::EXE
|| event == Ion::Events::Down || event == Ion::Events::Up;
}
bool MenuController::textFieldDidReceiveEvent(TextField * textField, Ion::Events::Event event) {
if (event == Ion::Events::Right && textField->isEditing() && textField->cursorLocation() == textField->draftTextLength()) {
return true;
}
if (event == Ion::Events::Clear && textField->isEditing()) {
textField->setText(ScriptStore::k_scriptExtension);
textField->setCursorLocation(0);
return true;
}
return false;
}
bool MenuController::textFieldDidFinishEditing(TextField * textField, const char * text, Ion::Events::Event event) {
const char * newName;
char numberedDefaultName[k_defaultScriptNameMaxSize];
if (strlen(text) <= strlen(ScriptStore::k_scriptExtension)) {
// The user entered an empty name. Use a numbered default script name.
numberedDefaultScriptName(numberedDefaultName);
newName = const_cast<const char *>(numberedDefaultName);
} else {
newName = text;
}
Script::ErrorStatus error = m_scriptStore->scriptAtIndex(m_selectableTableView.selectedRow()).setName(newName);
if (error == Script::ErrorStatus::None) {
updateAddScriptRowDisplay();
textField->setText(newName);
int currentRow = m_selectableTableView.selectedRow();
if (event == Ion::Events::Down && currentRow < numberOfRows() - 1) {
m_selectableTableView.selectCellAtLocation(m_selectableTableView.selectedColumn(), currentRow + 1);
} else if (event == Ion::Events::Up && currentRow > 0) {
m_selectableTableView.selectCellAtLocation(m_selectableTableView.selectedColumn(), currentRow - 1);
}
m_selectableTableView.selectedCell()->setHighlighted(true);
reloadConsole();
app()->setFirstResponder(&m_selectableTableView);
static_cast<AppsContainer *>(const_cast<Container *>(app()->container()))->setShiftAlphaStatus(Ion::Events::ShiftAlphaStatus::Default);
return true;
} else if (error == Script::ErrorStatus::NameTaken) {
app()->displayWarning(I18n::Message::NameTaken);
} else if (error == Script::ErrorStatus::NonCompliantName) {
app()->displayWarning(I18n::Message::NonCompliantName);
} else {
assert(error == Script::ErrorStatus::NotEnoughSpaceAvailable);
app()->displayWarning(I18n::Message::NameTooLong);
}
return false;
}
bool MenuController::textFieldDidAbortEditing(TextField * textField) {
if (strlen(textField->text()) <= strlen(ScriptStore::k_scriptExtension)) {
// The previous text was an empty name. Use a numbered default script name.
char numberedDefaultName[k_defaultScriptNameMaxSize];
numberedDefaultScriptName(numberedDefaultName);
Script::ErrorStatus error = m_scriptStore->scriptAtIndex(m_selectableTableView.selectedRow()).setName(numberedDefaultName);
if (error != Script::ErrorStatus::None) {
assert(false);
/* Because we use the numbered default name, the name should not be
* already taken. Plus, the script could be added only if the storage has
* enough available space to add a script named 'script99.py' */
}
assert(error == Script::ErrorStatus::None);
updateAddScriptRowDisplay();
}
m_selectableTableView.selectCellAtLocation(m_selectableTableView.selectedColumn(), m_selectableTableView.selectedRow());
app()->setFirstResponder(&m_selectableTableView);
static_cast<AppsContainer *>(const_cast<Container *>(app()->container()))->setShiftAlphaStatus(Ion::Events::ShiftAlphaStatus::Default);
return true;
}
bool MenuController::textFieldDidHandleEvent(TextField * textField, bool returnValue, bool textHasChanged) {
int scriptExtensionLength = strlen(ScriptStore::k_scriptExtension);
if (textField->isEditing() && textField->cursorLocation() > textField->draftTextLength() - scriptExtensionLength) {
textField->setCursorLocation(textField->draftTextLength() - scriptExtensionLength);
}
return returnValue;
}
void MenuController::addScript() {
Script::ErrorStatus error = m_scriptStore->addNewScript();
if (error == Script::ErrorStatus::None) {
updateAddScriptRowDisplay();
renameSelectedScript();
return;
}
assert(false); // Adding a new script is called when !m_scriptStore.isFull() which guarantees that the available space in the storage is big enough
}
void MenuController::configureScript() {
assert(m_selectableTableView.selectedRow() >= 0);
assert(m_selectableTableView.selectedRow() < m_scriptStore->numberOfScripts());
m_scriptParameterController.setScript(m_scriptStore->scriptAtIndex(m_selectableTableView.selectedRow()));
stackViewController()->push(&m_scriptParameterController);
}
void MenuController::editScriptAtIndex(int scriptIndex) {
assert(scriptIndex >=0 && scriptIndex < m_scriptStore->numberOfScripts());
Script script = m_scriptStore->scriptAtIndex(scriptIndex);
m_editorController.setScript(script);
stackViewController()->push(&m_editorController);
}
void MenuController::numberedDefaultScriptName(char * buffer) {
bool foundNewScriptNumber = false;
int currentScriptNumber = 1;
char newName[k_defaultScriptNameMaxSize];
memcpy(newName, ScriptStore::k_defaultScriptName, strlen(ScriptStore::k_defaultScriptName)+1);
// We will only name scripts from script1.py to script99.py.
while (!foundNewScriptNumber && currentScriptNumber < 100) {
// Change the number in the script name.
intToText(currentScriptNumber, &newName[strlen(ScriptStore::k_defaultScriptName)-strlen(ScriptStore::k_scriptExtension)]);
memcpy(&newName[strlen(newName)], ScriptStore::k_scriptExtension, strlen(ScriptStore::k_scriptExtension)+1);
if (m_scriptStore->scriptNamed(const_cast<const char *>(newName)).isNull()) {
foundNewScriptNumber = true;
}
currentScriptNumber++;
}
if (foundNewScriptNumber) {
memcpy(buffer, newName, strlen(newName)+1);
return;
}
memcpy(buffer, ScriptStore::k_defaultScriptName, strlen(ScriptStore::k_defaultScriptName)+1);
}
void MenuController::intToText(int i, char * buffer) {
// We only support integers from 0 to 99
// buffer should have the space for three chars.
assert(i>=0);
assert(i<100);
if (i/10 == 0) {
buffer[0] = i+'0';
buffer[1] = 0;
return;
}
buffer[0] = i/10+'0';
buffer[1] = i-10*(i/10)+'0';
buffer[2] = 0;
}
void MenuController::updateAddScriptRowDisplay() {
m_shouldDisplayAddScriptRow = !m_scriptStore->isFull();
m_selectableTableView.reloadData();
}
}