[code] Dynamic toolbox that displays script functions and variables.

Change-Id: Id1494580b3832540633d3aefaf04710d21e0a44c
2026-01-19 00:37:25 +01:00 · 2017-11-22 16:55:10 +01:00
parent 2015bcce89
commit e6b4d07cb6
19 changed files with 588 additions and 9 deletions
--- a/apps/code/variable_box_controller.cpp
+++ b/apps/code/variable_box_controller.cpp
@@ -0,0 +1,306 @@
+#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_currentDepth(0),
+  m_firstSelectedRow(0),
+  m_previousSelectedRow(0),
+  m_scriptFunctionsCount(-1),
+  m_scriptVariablesCount(-1),
+  m_menuController(menuController),
+  m_scriptStore(scriptStore),
+  m_selectableTableView(this, this, 0, 1, 0, 0, 0, 0, this, nullptr, false)
+{
+  for (int i = 0; i < ScriptStore::k_maxNumberOfScripts; i++) {
+    m_functionDefinitionsCount[i] = 0;
+    m_globalVariablesCount[i] = 0;
+  }
+  for (int i = 0; i < k_functionsAndVarsNamePointersArrayLength; i++) {
+    m_functionNamesPointers[i] = nullptr;
+    m_globalVariablesNamesPointers[i] = nullptr;
+  }
+  for (int i = 0; i < k_maxNumberOfDisplayedRows; i++) {
+    m_leafCells[i].setFirstTextColor(KDColorBlack);
+    m_leafCells[i].setSecondTextColor(Palette::GreyDark);
+  }
+}
+
+void VariableBoxController::ContentViewController::setTextFieldCaller(TextField * textField) {
+  m_textFieldCaller = textField;
+  m_textAreaCaller = nullptr;
+}
+
+void VariableBoxController::ContentViewController::setTextAreaCaller(TextArea * textArea) {
+  m_textAreaCaller = textArea;
+  m_textFieldCaller = nullptr;
+}
+
+void VariableBoxController::ContentViewController::reloadData() {
+  m_selectableTableView.reloadData();
+}
+
+void VariableBoxController::ContentViewController::resetDepth() {
+  m_currentDepth = 0;
+}
+
+void VariableBoxController::ContentViewController::setFunctionsCountInScriptAtIndex(int functionsCount, int scriptIndex) {
+  assert(functionsCount >= 0);
+  assert(scriptIndex >= 0 && scriptIndex < ScriptStore::k_maxNumberOfScripts);
+  m_functionDefinitionsCount[scriptIndex] = functionsCount;
+}
+
+void VariableBoxController::ContentViewController::setFunctionNameAtIndex(const char * functionName, int functionIndex) {
+  assert(functionIndex >= 0 && functionIndex < k_functionsAndVarsNamePointersArrayLength);
+  m_functionNamesPointers[functionIndex] = functionName;
+}
+
+void VariableBoxController::ContentViewController::setGlobalVariablesCountInScriptAtIndex(int globalVariablesCount, int scriptIndex) {
+  assert(globalVariablesCount >= 0);
+  assert(scriptIndex >= 0 && scriptIndex < ScriptStore::k_maxNumberOfScripts);
+  m_globalVariablesCount[scriptIndex] = globalVariablesCount;
+}
+
+void VariableBoxController::ContentViewController::setGlobalVariableNameAtIndex(const char * globalVariableName, int globalVariableIndex) {
+  assert(globalVariableIndex >= 0 && globalVariableIndex < k_functionsAndVarsNamePointersArrayLength);
+  m_globalVariablesNamesPointers[globalVariableIndex] = globalVariableName;
+}
+
+const char * VariableBoxController::ContentViewController::title() {
+  return  I18n::translate(I18n::Message::FunctionsAndVariables);
+}
+
+void VariableBoxController::ContentViewController::viewWillAppear() {
+  m_menuController->loadPythonIfNeeded();
+  for (int i = 0; i < ScriptStore::k_maxNumberOfScripts; i++) {
+    m_functionDefinitionsCount[i] = 0;
+    m_globalVariablesCount[i] = 0;
+  }
+  m_scriptStore->scanScriptsForFunctionsAndVariables(
+      this,
+      [](void * context, int scriptIndex, int functionsCount) {
+      VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
+      cvc->setFunctionsCountInScriptAtIndex(functionsCount, scriptIndex);
+      },
+      [](void * context, int functionIndex, const char * functionName) {
+      VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
+      cvc->setFunctionNameAtIndex(functionName, functionIndex);
+      },
+      [](void * context, int scriptIndex, int globalVariablesCount) {
+      VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
+      cvc->setGlobalVariablesCountInScriptAtIndex(globalVariablesCount, scriptIndex);
+      },
+      [](void * context, int globalVariableIndex, const char * globalVariableName) {
+      VariableBoxController::ContentViewController * cvc = static_cast<VariableBoxController::ContentViewController *>(context);
+      cvc->setGlobalVariableNameAtIndex(globalVariableName, globalVariableIndex);
+      });
+
+  m_scriptFunctionsCount = 0;
+  m_scriptVariablesCount = 0;
+  for (int i = 0; i < ScriptStore::k_maxNumberOfScripts; i++) {
+    m_scriptFunctionsCount+= m_functionDefinitionsCount[i];
+    m_scriptVariablesCount+= m_globalVariablesCount[i];
+  }
+}
+
+void VariableBoxController::ContentViewController::viewDidDisappear() {
+  m_selectableTableView.deselectTable();
+  ViewController::viewDidDisappear();
+}
+
+void VariableBoxController::ContentViewController::didBecomeFirstResponder() {
+  m_selectableTableView.reloadData();
+  m_selectableTableView.scrollToCell(0,0);
+  selectCellAtLocation(0, m_firstSelectedRow);
+  app()->setFirstResponder(&m_selectableTableView);
+}
+
+bool VariableBoxController::ContentViewController::handleEvent(Ion::Events::Event event) {
+  if (event == Ion::Events::Back && m_currentDepth == 0) {
+    m_firstSelectedRow = 0;
+    app()->dismissModalViewController();
+    return true;
+  }
+  if (event == Ion::Events::Left && m_currentDepth == 0) {
+    return true;
+  }
+  if (event == Ion::Events::Back || event == Ion::Events::Left) {
+    assert(m_currentDepth == 1);
+    m_firstSelectedRow = m_previousSelectedRow;
+    m_selectableTableView.deselectTable();
+    m_currentDepth = 0;
+    app()->setFirstResponder(this);
+    return true;
+  }
+  if (event == Ion::Events::OK || event == Ion::Events::EXE || (event == Ion::Events::Right && m_currentDepth == 0)) {
+    if (m_currentDepth == 0) {
+      // Select a submenu from the Root Menu
+      m_previousSelectedRow = selectedRow();
+      m_firstSelectedRow = 0;
+      m_selectableTableView.deselectTable();
+      m_currentDepth = 1;
+      app()->setFirstResponder(this);
+      return true;
+    }
+    // Select a leaf in a submenu
+    m_firstSelectedRow = 0;
+    DoubleBufferTextCell * selectedTextCell = static_cast<DoubleBufferTextCell *>(m_selectableTableView.selectedCell());
+    insertTextInCaller(selectedTextCell->firstText());
+    m_selectableTableView.deselectTable();
+    m_currentDepth = 0;
+    app()->dismissModalViewController();
+    return true;
+  }
+  return false;
+}
+
+int VariableBoxController::ContentViewController::numberOfRows() {
+  if (m_currentDepth == 0) {
+    return k_numberOfMenuRows;
+  }
+  assert(m_currentDepth == 1);
+  if (m_previousSelectedRow == 0) {
+    return m_scriptFunctionsCount;
+  }
+  assert(m_previousSelectedRow == 1);
+  return m_scriptVariablesCount;
+}
+
+HighlightCell * VariableBoxController::ContentViewController::reusableCell(int index, int type) {
+  assert(type < 2);
+  assert(index >= 0);
+  if (type == k_leafType) {
+    assert(index < k_maxNumberOfDisplayedRows);
+    return &m_leafCells[index];
+  }
+  assert(type == k_nodeType);
+  assert(index < k_numberOfMenuRows);
+  return &m_nodeCells[index];
+}
+
+int VariableBoxController::ContentViewController::reusableCellCount(int type) {
+  assert(type < 2);
+  if (type == k_leafType) {
+    return k_maxNumberOfDisplayedRows;
+  }
+  assert (type == k_nodeType);
+  return k_numberOfMenuRows;
+}
+
+void VariableBoxController::ContentViewController::willDisplayCellForIndex(HighlightCell * cell, int index) {
+  if (m_currentDepth == 0) {
+    MessageTableCellWithChevron * myCell = static_cast<MessageTableCellWithChevron *>(cell);
+    I18n::Message nodeMessages[2] = {I18n::Message::Functions, I18n::Message::Variables};
+    myCell->setMessage(nodeMessages[index]);
+    return;
+  }
+  assert(m_currentDepth == 1);
+  DoubleBufferTextCell * myCell = static_cast<DoubleBufferTextCell *>(cell);
+  if (m_previousSelectedRow == 0) {
+    myCell->setFirstText(m_functionNamesPointers[index]);
+    int scriptIndex = -1;
+    int functionsCount = 0;
+    while (functionsCount < index + 1 && scriptIndex < ScriptStore::k_maxNumberOfScripts) {
+      scriptIndex++;
+      functionsCount+= m_functionDefinitionsCount[scriptIndex];
+    }
+    myCell->setSecondText(m_scriptStore->scriptAtIndex(scriptIndex).name());
+  } else {
+    myCell->setFirstText(m_globalVariablesNamesPointers[index]);
+    int scriptIndex = -1;
+    int globalVariablesCount = 0;
+    while (globalVariablesCount < index + 1 && scriptIndex < ScriptStore::k_maxNumberOfScripts) {
+      scriptIndex++;
+      globalVariablesCount+= m_globalVariablesCount[scriptIndex];
+    }
+    myCell->setSecondText(m_scriptStore->scriptAtIndex(scriptIndex).name());
+  }
+}
+
+KDCoordinate VariableBoxController::ContentViewController::rowHeight(int index) {
+  return k_rowHeight;
+}
+
+KDCoordinate VariableBoxController::ContentViewController::cumulatedHeightFromIndex(int j) {
+  int result = 0;
+  for (int k = 0; k < j; k++) {
+    result += rowHeight(k);
+  }
+  return result;
+}
+
+int VariableBoxController::ContentViewController::indexFromCumulatedHeight(KDCoordinate offsetY) {
+  int result = 0;
+  int j = 0;
+  while (result < offsetY && j < numberOfRows()) {
+    result += rowHeight(j++);
+  }
+  return (result < offsetY || offsetY == 0) ? j : j - 1;
+}
+
+int VariableBoxController::ContentViewController::typeAtLocation(int i, int j) {
+  if (m_currentDepth == 0) {
+    return k_nodeType;
+  }
+  return k_leafType;
+}
+
+void VariableBoxController::ContentViewController::insertTextInCaller(const char * text) {
+  char commandBuffer[strlen(text)+1];
+  Shared::ToolboxHelpers::TextToInsertForCommandText(text, commandBuffer);
+  if (m_textFieldCaller != nullptr) {
+    if (!m_textFieldCaller->isEditing()) {
+      m_textFieldCaller->setEditing(true);
+    }
+    int previousCursorLocation = m_textFieldCaller->cursorLocation();
+    m_textFieldCaller->insertTextAtLocation(commandBuffer, previousCursorLocation);
+    m_textFieldCaller->setCursorLocation(previousCursorLocation + Shared::ToolboxHelpers::CursorIndexInCommand(commandBuffer));
+    return;
+  }
+  if (m_textAreaCaller != nullptr) {
+    int previousCursorLocation = m_textAreaCaller->cursorLocation();
+    m_textAreaCaller->insertText(commandBuffer);
+    int deltaCursorLocation = - m_textAreaCaller->cursorLocation() + previousCursorLocation + Shared::ToolboxHelpers::CursorIndexInCommand(commandBuffer);
+    m_textAreaCaller->moveCursor(deltaCursorLocation);
+  }
+}
+
+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::setTextFieldCaller(TextField * textField) {
+  m_contentViewController.setTextFieldCaller(textField);
+}
+
+void VariableBoxController::setTextAreaCaller(TextArea * textArea) {
+  m_contentViewController.setTextAreaCaller(textArea);
+}
+
+void VariableBoxController::viewWillAppear() {
+  StackViewController::viewWillAppear();
+  m_contentViewController.resetDepth();
+  m_contentViewController.reloadData();
+}
+
+void VariableBoxController::viewDidDisappear() {
+  StackViewController::viewDidDisappear();
+}
+
+}