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build6/epsilon-master/apps/code/variable_box_controller.cpp 5.36 KB
6663b6c9   adorian   projet complet av...
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  #include "variable_box_controller.h"
  #include "script.h"
  #include "../shared/toolbox_helpers.h"
  #include <apps/i18n.h>
  #include <assert.h>
  #include <escher/buffer_text_view.h>
  #include <escher/palette.h>
  #include <string.h>
  
  namespace Code {
  
  /* ContentViewController */
  
  VariableBoxController::ContentViewController::ContentViewController(Responder * parentResponder, MenuController * menuController, ScriptStore * scriptStore) :
    ViewController(parentResponder),
    m_scriptNodesCount(0),
    m_menuController(menuController),
    m_scriptStore(scriptStore),
    m_selectableTableView(this)
  {
    m_selectableTableView.setMargins(0);
    m_selectableTableView.setShowsIndicators(false);
    for (int i = 0; i < k_maxNumberOfDisplayedRows; i++) {
      m_leafCells[i].setScriptStore(scriptStore);
    }
  }
  
  void VariableBoxController::ContentViewController::setTextInputCaller(TextInput * textInput) {
    m_textInputCaller = textInput;
  }
  
  void VariableBoxController::ContentViewController::reloadData() {
    m_selectableTableView.reloadData();
  }
  
  void VariableBoxController::ContentViewController::addFunctionAtIndex(const char * functionName, int scriptIndex) {
    m_scriptNodes[m_scriptNodesCount] = ScriptNode::FunctionNode(functionName, scriptIndex);
    m_scriptNodesCount++;
  }
  
  void VariableBoxController::ContentViewController::addVariableAtIndex(const char * variableName, int scriptIndex) {
    m_scriptNodes[m_scriptNodesCount] = ScriptNode::VariableNode(variableName, scriptIndex);
    m_scriptNodesCount++;
  }
  
  const char * VariableBoxController::ContentViewController::title() {
    return  I18n::translate(I18n::Message::FunctionsAndVariables);
  }
  
  void VariableBoxController::ContentViewController::viewWillAppear() {
    m_menuController->loadPythonIfNeeded();
    m_scriptNodesCount = 0;
    m_scriptStore->scanScriptsForFunctionsAndVariables(
      this,
      [](void * context, const char * functionName, int scriptIndex) {
        VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
        cvc->addFunctionAtIndex(functionName, scriptIndex);},
      [](void * context, const char * variableName, int scriptIndex) {
        VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
        cvc->addVariableAtIndex(variableName, scriptIndex);});
  }
  
  void VariableBoxController::ContentViewController::viewDidDisappear() {
    m_selectableTableView.deselectTable();
    for (int i = 0; i < k_maxScriptNodesCount; i++) {
      m_scriptNodes[i] = ScriptNode();
    }
    ViewController::viewDidDisappear();
  }
  
  void VariableBoxController::ContentViewController::didBecomeFirstResponder() {
    m_selectableTableView.reloadData();
    m_selectableTableView.scrollToCell(0,0);
    selectCellAtLocation(0, 0);
    app()->setFirstResponder(&m_selectableTableView);
  }
  
  bool VariableBoxController::ContentViewController::handleEvent(Ion::Events::Event event) {
    if (event == Ion::Events::Back) {
      app()->dismissModalViewController();
      return true;
    }
    if (event == Ion::Events::Left) {
      return true;
    }
    if (event == Ion::Events::OK || event == Ion::Events::EXE) {
      if (m_selectableTableView.selectedRow() < 0 || m_selectableTableView.selectedRow() >= m_scriptNodesCount) {
        return false;
      }
      ScriptNode selectedScriptNode = m_scriptNodes[m_selectableTableView.selectedRow()];
      insertTextInCaller(selectedScriptNode.name());
      if (selectedScriptNode.type() == ScriptNode::Type::Function) {
        insertTextInCaller(ScriptNodeCell::k_parenthesesWithEmpty);
      }
      m_selectableTableView.deselectTable();
      app()->dismissModalViewController();
      return true;
    }
    return false;
  }
  
  int VariableBoxController::ContentViewController::numberOfRows() {
    return m_scriptNodesCount < k_maxScriptNodesCount ? m_scriptNodesCount : k_maxScriptNodesCount;
  }
  
  HighlightCell * VariableBoxController::ContentViewController::reusableCell(int index) {
    assert(index >= 0 && index < k_maxNumberOfDisplayedRows);
    return &m_leafCells[index];
  }
  
  int VariableBoxController::ContentViewController::reusableCellCount() {
    return k_maxNumberOfDisplayedRows;
  }
  
  void VariableBoxController::ContentViewController::willDisplayCellForIndex(HighlightCell * cell, int index) {
    ScriptNodeCell * myCell = static_cast<ScriptNodeCell *>(cell);
    myCell->setScriptNode(&m_scriptNodes[index]);
  }
  
  void VariableBoxController::ContentViewController::insertTextInCaller(const char * text) {
    int commandBufferMaxSize = strlen(text)+1;
    char commandBuffer[commandBufferMaxSize];
    Shared::ToolboxHelpers::TextToInsertForCommandText(text, commandBuffer, commandBufferMaxSize, true);
    m_textInputCaller->handleEventWithText(commandBuffer);
  }
  
  VariableBoxController::VariableBoxController(MenuController * menuController, ScriptStore * scriptStore) :
    StackViewController(nullptr, &m_contentViewController, KDColorWhite, Palette::PurpleBright, Palette::PurpleDark),
    m_contentViewController(this, menuController, scriptStore)
  {
  }
  
  void VariableBoxController::didBecomeFirstResponder() {
    app()->setFirstResponder(&m_contentViewController);
  }
  
  void VariableBoxController::setTextInputCaller(TextInput * textInput) {
    m_contentViewController.setTextInputCaller(textInput);
  }
  
  void VariableBoxController::viewWillAppear() {
    StackViewController::viewWillAppear();
    m_contentViewController.reloadData();
  }
  
  void VariableBoxController::viewDidDisappear() {
    StackViewController::viewDidDisappear();
  }
  
  }