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2e2845370a
Some nodes of the ToolboxMessageTree can be marked as "forks", dispatching one branch or the other depending on preferences. They are used in the Unit menu to provide a different toolbox depending on the unit system. Change-Id: I591f7abc3d24e682e827a540a9defac1877871b5
75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
#include <escher/toolbox.h>
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#include <escher/metric.h>
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#include <assert.h>
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#include <string.h>
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Toolbox::Toolbox(Responder * parentResponder, I18n::Message title) :
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NestedMenuController(parentResponder, title),
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m_messageTreeModel(nullptr)
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{}
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void Toolbox::viewWillAppear() {
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m_messageTreeModel = (ToolboxMessageTree *)rootModel();
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NestedMenuController::viewWillAppear();
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}
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int Toolbox::numberOfRows() const {
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if (m_messageTreeModel == nullptr) {
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m_messageTreeModel = (ToolboxMessageTree *)rootModel();
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}
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return m_messageTreeModel->numberOfChildren();
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}
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int Toolbox::reusableCellCount(int type) {
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return maxNumberOfDisplayedRows();
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}
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void Toolbox::willDisplayCellForIndex(HighlightCell * cell, int index) {
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ToolboxMessageTree * messageTree = (ToolboxMessageTree *)m_messageTreeModel->childAtIndex(index);
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if (messageTree->numberOfChildren() == 0) {
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MessageTableCellWithMessage * myCell = (MessageTableCellWithMessage *)cell;
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myCell->setMessage(messageTree->label());
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myCell->setAccessoryMessage(messageTree->text());
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myCell->setAccessoryTextColor(Palette::GrayDark);
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return;
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}
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MessageTableCell * myCell = (MessageTableCell *)cell;
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myCell->setMessage(messageTree->label());
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myCell->reloadCell();
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}
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int Toolbox::typeAtLocation(int i, int j) {
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const MessageTree * messageTree = m_messageTreeModel->childAtIndex(j);
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if (messageTree->numberOfChildren() == 0) {
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return LeafCellType;
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}
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return NodeCellType;
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}
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bool Toolbox::selectSubMenu(int selectedRow) {
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m_selectableTableView.deselectTable();
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m_messageTreeModel = static_cast<const ToolboxMessageTree *>(m_messageTreeModel->childAtIndex(selectedRow));
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if (m_messageTreeModel->isFork()) {
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assert(m_messageTreeModel->numberOfChildren() < 0);
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m_messageTreeModel = static_cast<const ToolboxMessageTree *>(m_messageTreeModel->childAtIndex(indexAfterFork()));
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}
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return NestedMenuController::selectSubMenu(selectedRow);
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}
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bool Toolbox::returnToPreviousMenu() {
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m_selectableTableView.deselectTable();
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int currentDepth = m_stack.depth();
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int index = 0;
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ToolboxMessageTree * parentMessageTree = (ToolboxMessageTree *)rootModel();
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Stack::State * previousState = m_stack.stateAtIndex(index++);
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while (currentDepth-- > 1) {
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parentMessageTree = (ToolboxMessageTree *)parentMessageTree->childAtIndex(previousState->selectedRow());
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previousState = m_stack.stateAtIndex(index++);
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if (parentMessageTree->isFork()) {
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parentMessageTree = (ToolboxMessageTree *)parentMessageTree->childAtIndex(indexAfterFork());
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}
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}
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m_messageTreeModel = parentMessageTree;
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return NestedMenuController::returnToPreviousMenu();
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}
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