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Added support for multi-select total count and exclusive multi-select to OptionListComponent.

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This commit is contained in:
Leon Styhre 2021-09-25 10:47:59 +02:00
parent 568c91e1a0
commit 3649684501
2 changed files with 97 additions and 16 deletions
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1
es-core/src/components/MenuComponent.h
View file

@ -65,6 +65,7 @@ public:
const std::function<void()>& callback);
void setTitle(std::string title, const std::shared_ptr<Font>& font);
std::shared_ptr<ComponentList> getList() { return mList; }
void setCursorToFirstListEntry() { mList->moveCursor(-mList->getCursorId()); }
void setCursorToList() { mGrid.setCursorTo(mList); }

112
es-core/src/components/OptionListComponent.h
View file

@ -27,10 +27,14 @@ public:
OptionListComponent(Window* window,
const HelpStyle& helpstyle,
const std::string& name,
bool multiSelect = false)
bool multiSelect = false,
bool multiExclusiveSelect = false,
bool multiShowTotal = false)
: GuiComponent(window)
, mHelpStyle(helpstyle)
, mMultiSelect(multiSelect)
, mMultiExclusiveSelect(multiExclusiveSelect)
, mMultiShowTotal(multiShowTotal)
, mName(name)
, mText(window)
, mLeftArrow(window)
@ -212,6 +216,8 @@ public:
return 0;
}
void setOverrideMultiText(const std::string& text) { mOverrideMultiText = text; }
HelpStyle getHelpStyle() override { return mHelpStyle; }
private:
@ -234,7 +240,15 @@ private:
if (mMultiSelect) {
// Display the selected entry.
std::stringstream ss;
ss << getSelectedObjects().size() << " SELECTED";
// For special situations, allow the "selected" text to be overridden to a custom value.
if (mOverrideMultiText != "")
ss << mOverrideMultiText;
else if (mMultiShowTotal)
ss << getSelectedObjects().size() << " (OF " << mEntries.size() << ") SELECTED";
else
ss << getSelectedObjects().size() << " SELECTED";
mText.setText(ss.str());
mText.setSize(0, mText.getSize().y);
setSize(mText.getSize().x + mRightArrow.getSize().x +
@ -271,6 +285,9 @@ private:
}
bool mMultiSelect;
bool mMultiExclusiveSelect;
bool mMultiShowTotal;
std::string mOverrideMultiText;
std::string mName;
TextComponent mText;
@ -295,14 +312,33 @@ private:
auto font = Font::get(FONT_SIZE_MEDIUM);
ComponentListRow row;
bool hasSelectedRow = false;
// If the exclusive selection flag has been set, i.e. only a single row can be selected
// at a time, then make sure to gray out and disable any non-selected rows.
if (mParent->mMultiExclusiveSelect) {
for (auto entry : mParent->mEntries) {
if (entry.selected == true) {
hasSelectedRow = true;
break;
}
}
}
// For selecting all/none.
std::vector<ImageComponent*> checkboxes;
std::vector<ImageComponent*> checkBoxes;
std::vector<TextComponent*> textEntries;
for (auto it = mParent->mEntries.begin(); it != mParent->mEntries.end(); it++) {
row.elements.clear();
row.addElement(std::make_shared<TextComponent>(
mWindow, Utils::String::toUpper(it->name), font, 0x777777FF),
true);
auto textComponent = std::make_shared<TextComponent>(
mWindow, Utils::String::toUpper(it->name), font, 0x777777FF);
row.addElement(textComponent, true);
if (mParent->mMultiExclusiveSelect && hasSelectedRow && !(*it).selected) {
textComponent.get()->setOpacity(DISABLED_OPACITY);
textComponent.get()->setEnabled(false);
}
OptionListData& e = *it;
@ -313,16 +349,53 @@ private:
checkbox->setResize(0, font->getLetterHeight());
row.addElement(checkbox, false);
if (mParent->mMultiExclusiveSelect && hasSelectedRow && !(*it).selected)
checkbox.get()->setOpacity(DISABLED_OPACITY);
// Input handler.
// Update checkbox state and selected value.
row.makeAcceptInputHandler([this, &e, checkbox] {
auto list = mMenu.getList();
int cursorId = list->getCursorId();
bool isEnabled = list->getChild(cursorId * 2)->getEnabled();
if (mParent->mMultiExclusiveSelect && !isEnabled)
return;
e.selected = !e.selected;
checkbox->setImage(e.selected ? CHECKED_PATH : UNCHECKED_PATH);
mParent->onSelectedChanged();
// When selecting a row and the exclusive selection flag has been set,
// gray out and disable all other rows.
if (mParent->mMultiExclusiveSelect) {
for (unsigned int i = 0; i < mParent->mEntries.size(); i++) {
bool isSelected = mParent->mEntries[cursorId].selected;
for (unsigned int i = 0; i < list->getChildCount(); i += 2) {
if (i == static_cast<unsigned int>(cursorId) * 2)
continue;
if (isSelected) {
mEnabled = false;
list->getChild(i)->setEnabled(false);
list->getChild(i)->setOpacity(DISABLED_OPACITY);
list->getChild(i + 1)->setOpacity(DISABLED_OPACITY);
}
else {
mEnabled = true;
list->getChild(i)->setEnabled(true);
list->getChild(i)->setOpacity(255);
list->getChild(i + 1)->setOpacity(255);
}
}
}
}
});
// For selecting all/none.
checkboxes.push_back(checkbox.get());
checkBoxes.push_back(checkbox.get());
textEntries.push_back(textComponent.get());
}
else {
// Input handler for non-multiselect.
@ -342,18 +415,25 @@ private:
mMenu.addButton("BACK", "back", [this] { delete this; });
if (mParent->mMultiSelect) {
mMenu.addButton("SELECT ALL", "select all", [this, checkboxes] {
for (unsigned int i = 0; i < mParent->mEntries.size(); i++) {
mParent->mEntries.at(i).selected = true;
checkboxes.at(i)->setImage(CHECKED_PATH);
}
mParent->onSelectedChanged();
});
if (!mParent->mMultiExclusiveSelect) {
mMenu.addButton("SELECT ALL", "select all", [this, checkBoxes] {
for (unsigned int i = 0; i < mParent->mEntries.size(); i++) {
mParent->mEntries.at(i).selected = true;
checkBoxes.at(i)->setImage(CHECKED_PATH);
}
mParent->onSelectedChanged();
});
}
mMenu.addButton("SELECT NONE", "select none", [this, checkboxes] {
mMenu.addButton("SELECT NONE", "select none", [this, checkBoxes, textEntries] {
for (unsigned int i = 0; i < mParent->mEntries.size(); i++) {
mParent->mEntries.at(i).selected = false;
checkboxes.at(i)->setImage(UNCHECKED_PATH);
checkBoxes.at(i)->setImage(UNCHECKED_PATH);
if (mParent->mMultiExclusiveSelect) {
checkBoxes.at(i)->setOpacity(255);
textEntries.at(i)->setOpacity(255);
textEntries.at(i)->setEnabled(true);
}
}
mParent->onSelectedChanged();
});