C++ ListViewItem::addChild方法代码示例

/**
 * Creates and adds main layout to the screen.
 */
void SettingsScreen::createMainLayout()
{

    VerticalLayout* mainLayout = new VerticalLayout();
    Screen::setMainWidget(mainLayout);

    ListView* listView = new ListView();
    listView->fillSpaceHorizontally();
    listView->fillSpaceVertically();
    mainLayout->addChild(listView);

    ListViewItem* listItem;

    // Add IP label and edit box
    mIPEditBox = new EditBox();
    mIPEditBox->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
    listView->addChild(this->createListViewItem(IP_LABEL_TEXT, mIPEditBox));

    // Add port label and edit box
    mPortEditBox = new EditBox();
    mPortEditBox->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
    listView->addChild(this->createListViewItem(PORT_LABEL_TEXT, mPortEditBox));

    if ( isAndroid() )
    {
        mShowOnlyIfInBackground = new CheckBox();
        mShowOnlyIfInBackground->setState(true);
        listView->addChild(createListViewItem(SHOW_ONLY_IF_NOT_RUNNING, mShowOnlyIfInBackground));

        mTickerText = new EditBox();
        mTickerText->setText(TICKER_DEFAULT);
        listView->addChild(createListViewItem(TICKER_LABEL, mTickerText));

        mContentTitle = new EditBox();
        mContentTitle->setText(TITLE_DEFAULT);
        listView->addChild(createListViewItem(TITLE_LABEL, mContentTitle));
    }

    // Android: If the registrationID was already saved from previous launches,
    // do not connect again.
    MAHandle myStore = maOpenStore("MyStore", 0);
    if ( isAndroid() && myStore == STERR_NONEXISTENT
            ||
            !isAndroid() )
    {
        // Add connection status label.
        listItem = new ListViewItem;
        listView->addChild(listItem);
        mConnectionStatusLabel = new Label();
        mConnectionStatusLabel->setText(CONNECTION_NOT_ESTABLISHED);
        listItem->addChild(mConnectionStatusLabel);

        listItem = new ListViewItem;
        listView->addChild(listItem);
        mConnectButton = new Button();
        mConnectButton->setText(CONNECT_BUTTON_TEXT);
        listItem->addChild(mConnectButton);
    }
}

/**
 * Create ListView item properties layout
 */
void SettingsScreen::createListViewItemPropertiesLayout()
{
	VerticalLayout* listViewItemPropertiesVerticalLayout = new VerticalLayout();
	listViewItemPropertiesVerticalLayout->wrapContentVertically();
	mCurrentListViewItemLabel = new Label();
	mCurrentListViewItemLabel->setText("No item selected");
	mCurrentListViewItemLabel->setFontSize(TITLE_FONT_SIZE);
	mCurrentListViewItemLabel->setFontColor(0xFF0000);
	listViewItemPropertiesVerticalLayout->addChild(mCurrentListViewItemLabel);

	createListViewItemTextLayout(listViewItemPropertiesVerticalLayout);
	createListViewItemFontColorLayout(listViewItemPropertiesVerticalLayout);
	createListViewItemFontSizeLayout(listViewItemPropertiesVerticalLayout);

	if (isIOS())
	{
		listViewItemPropertiesVerticalLayout->wrapContentVertically();
		createListViewItemEditModeLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemDeleteButtonTextLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemSelectedAnimationLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemUnselectedAnimationLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemHighlightedAnimationLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemUnhighlightedAnimationLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemAccessoryTypeIntLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemAccessoryTypeEditModeLayout(listViewItemPropertiesVerticalLayout);
		createListViewItemEditStyleLayout(listViewItemPropertiesVerticalLayout);
	}

	ListViewItem* mListItemProperties = new ListViewItem();
	mListItemProperties->setSelectionStyle(LIST_VIEW_ITEM_SELECTION_STYLE_NONE);
	mListItemProperties->addChild(listViewItemPropertiesVerticalLayout);

	mPropertiesListView->addChild(mListItemProperties);
}

/**
 * Create ListView section properties layout
 */
void SettingsScreen::createListViewSectionPropertiesLayout()
{
	VerticalLayout* listViewSectionPropertiesVerticalLayout = new VerticalLayout();
	listViewSectionPropertiesVerticalLayout->wrapContentVertically();
	mListViewSectionLabel = new Label();
	mListViewSectionLabel->setText("No section in focus");
	mListViewSectionLabel->setFontSize(TITLE_FONT_SIZE);
	mListViewSectionLabel->setFontColor(0xFF0000);
	listViewSectionPropertiesVerticalLayout->addChild(mListViewSectionLabel);

	// create the current section title layout
	HorizontalLayout* currentSectionTitleLayout = new HorizontalLayout();
	currentSectionTitleLayout->wrapContentVertically();
	mSetListViewSectionTitleButton = new Button();
	mSetListViewSectionTitleButton->setText("Set title");
	mSetListViewSectionTitleButton->fillSpaceHorizontally();
	currentSectionTitleLayout->addChild(mSetListViewSectionTitleButton);
	mCurrentListViewSectionTitleEditBox = new EditBox();
	mCurrentListViewSectionTitleEditBox->fillSpaceHorizontally();
	currentSectionTitleLayout->addChild(mCurrentListViewSectionTitleEditBox);
	listViewSectionPropertiesVerticalLayout->addChild(currentSectionTitleLayout);

	// create the current section header text layout
	HorizontalLayout* currentSectionHeaderTextLayout = new HorizontalLayout();
	currentSectionHeaderTextLayout->wrapContentVertically();
	mSetListViewSectionHeaderButton = new Button();
	mSetListViewSectionHeaderButton->setText("Set header");
	mSetListViewSectionHeaderButton->fillSpaceHorizontally();
	currentSectionHeaderTextLayout->addChild(mSetListViewSectionHeaderButton);
	mCurrentListViewSectionHeaderEditBox = new EditBox();
	mCurrentListViewSectionHeaderEditBox->fillSpaceHorizontally();
	currentSectionHeaderTextLayout->addChild(mCurrentListViewSectionHeaderEditBox);
	listViewSectionPropertiesVerticalLayout->addChild(currentSectionHeaderTextLayout);

	// create the current section footer text layout
	HorizontalLayout* currentSectionFooterTextLayout = new HorizontalLayout();
	currentSectionFooterTextLayout->wrapContentVertically();
	mSetListViewSectionFooterButton = new Button();
	mSetListViewSectionFooterButton->setText("Set footer");
	mSetListViewSectionFooterButton->fillSpaceHorizontally();
	currentSectionFooterTextLayout->addChild(mSetListViewSectionFooterButton);
	mCurrentListViewSectionFooterEditBox = new EditBox();
	mCurrentListViewSectionFooterEditBox->fillSpaceHorizontally();
	currentSectionFooterTextLayout->addChild(mCurrentListViewSectionFooterEditBox);
	listViewSectionPropertiesVerticalLayout->addChild(currentSectionFooterTextLayout);

	if (isWindowsPhone() || isAndroid())
	{
		listViewSectionPropertiesVerticalLayout->wrapContentVertically();
		createListViewSectionHeaderPropertiesLayout(listViewSectionPropertiesVerticalLayout);
		createListViewSectionFooterPropertiesLayout(listViewSectionPropertiesVerticalLayout);
	}

	ListViewItem* mListSectionPropertiesItem = new ListViewItem();
	mListSectionPropertiesItem->setSelectionStyle(LIST_VIEW_ITEM_SELECTION_STYLE_NONE);
	mListSectionPropertiesItem->addChild(listViewSectionPropertiesVerticalLayout);

	mPropertiesListView->addChild(mListSectionPropertiesItem);
}

/**
 * Creates and adds main layout to the screen.
 */
void SettingsScreen::createMainLayout() {
	// Create and add the main layout to the screen.
	VerticalLayout* mainLayout = new VerticalLayout();
	Screen::setMainWidget(mainLayout);

	ListView* listView = new ListView();
	mainLayout->addChild(listView);

	// Add set duration option row.
	this->addSetDurationRow(listView);

	// Add get duration option row.
	this->addGetDurationRow(listView);

	// Add options for setting and getting the video quality value.
	this->addVideoQualityRows(listView);

	if ( isIOS())
	{
		// Add options for setting and getting the flash mode value.
		this->addFlashModeRows(listView);

		// Add option for setting the camera roll flag.
		this->addCameraRollFlagRow(listView);

		// Add option for setting the camera controls flag.
		this->addCameraControlsFlagRow(listView);
	}

	// Add take picture button.
	mTakePictureBtn = new Button();
	mTakePictureBtn->setText(TAKE_PICTURE_BTN_TEXT);
	this->addButtonToListView(mTakePictureBtn, listView);

	if (isAndroid())
	{
		mTakenPicturePath = new Label();
		ListViewItem* listItem = new ListViewItem();
		listItem->addChild(mTakenPicturePath);
		listView->addChild(listItem);
	}

	// Add record video button.
	mRecordVideoBtn = new Button();
	mRecordVideoBtn->setText(RECORD_VIDEO_BTN_TEXT);
	this->addButtonToListView(mRecordVideoBtn, listView);

	// Add show image button.
	mShowImageScreen = new Button();
	mShowImageScreen->setText(SHOW_IMAGE_SCREEN_TEXT);
	this->addButtonToListView(mShowImageScreen, listView);

	// Add show video screen button.
	mShowVideoScreen = new Button();
	mShowVideoScreen->setText(SHOW_VIDEO_SCREEN_TEXT);
	this->addButtonToListView(mShowVideoScreen, listView);
}

/**
 * Adds two list rows for setting and getting the flash mode value.
 */
void SettingsScreen::addFlashModeRows(ListView* listView)
{
	// Add set option for flash mode value.
	ListViewItem* listItem = new ListViewItem();
	listView->addChild(listItem);
	mSetFlashModeBtn = new Button();
	mSetFlashModeBtn->setText(SET_FLASH_MODE_BTN_TEXT);
	listItem->addChild(mSetFlashModeBtn);

	// Add get option for flash mode value.
	listItem = new ListViewItem();
	listView->addChild(listItem);
	mGetFlashModeBtn = new Button();
	mGetFlashModeBtn->setText(GET_FLASH_MODE_BTN_TEXT);
	mFlashModeLabel = new Label();
	mFlashModeLabel->fillSpaceHorizontally();
	listItem->addChild(this->createRow(mGetFlashModeBtn, mFlashModeLabel));
}

/**
 * Create ListView properties layout
 */
void SettingsScreen::createListViewPropertiesLayout()
{
	VerticalLayout* listViewPropertiesVerticalLayout = new VerticalLayout();
	listViewPropertiesVerticalLayout->wrapContentVertically();
	Label* mListViewPropertiesLabel = new Label();
	mListViewPropertiesLabel->setText("ListView properties");
	mListViewPropertiesLabel->setFontSize(TITLE_FONT_SIZE);
	mListViewPropertiesLabel->setFontColor(0xFF0000);
	listViewPropertiesVerticalLayout->addChild(mListViewPropertiesLabel);

	// create the allow selection layout
	HorizontalLayout* allowSelectionLayout = new HorizontalLayout();
	allowSelectionLayout->wrapContentVertically();
	mListViewAllowSelectionCheckbox = new CheckBox();
	mListViewAllowSelectionCheckbox->setState(true);
	Label* allowSelectionLabel = new Label();
	allowSelectionLabel->setText("Allow selection");
	allowSelectionLayout->addChild(mListViewAllowSelectionCheckbox);
	allowSelectionLayout->addChild(allowSelectionLabel);
	listViewPropertiesVerticalLayout->addChild(allowSelectionLayout);

	if (isIOS())
	{
		listViewPropertiesVerticalLayout->wrapContentVertically();

		// create the mode selection layout
		HorizontalLayout* modeSelectionLayout = new HorizontalLayout();
		modeSelectionLayout->wrapContentVertically();
		Label* setModeLabel = new Label();
		setModeLabel->setText("Set mode: ");
		modeSelectionLayout->addChild(setModeLabel);
		mDisplayCheckBox = new CheckBox();
		mDisplayCheckBox->setState(true);
		listViewPropertiesVerticalLayout->addChild(modeSelectionLayout);

		modeSelectionLayout = new HorizontalLayout();
		Label* setDisplayLabel = new Label();
		setDisplayLabel->setText("Display");
		modeSelectionLayout->addChild(mDisplayCheckBox);
		modeSelectionLayout->addChild(setDisplayLabel);
		mEditCheckBox = new CheckBox();
		mEditCheckBox->setState(false);
		Label* setEditLabel = new Label();
		setEditLabel->setText("Edit");
		modeSelectionLayout->addChild(mEditCheckBox);
		modeSelectionLayout->addChild(setEditLabel);
		listViewPropertiesVerticalLayout->addChild(modeSelectionLayout);

		createListViewItemSelectionStyleLayout(listViewPropertiesVerticalLayout);
	}

	ListViewItem* mListPropertiesItem = new ListViewItem();
	mListPropertiesItem->setSelectionStyle(LIST_VIEW_ITEM_SELECTION_STYLE_NONE);
	mListPropertiesItem->addChild(listViewPropertiesVerticalLayout);

	mPropertiesListView->addChild(mListPropertiesItem);
}

/**
 * Adds two list rows for setting and getting the video quality value.
 */
void SettingsScreen::addVideoQualityRows(ListView* listView)
{
	ListViewItem* listItem;

	// Add set option for video quality value.
	listItem = new ListViewItem();
	listView->addChild(listItem);
	mSetVideoQualityBtn = new Button();
	mSetVideoQualityBtn->setText(SET_VIDEO_QUALITY_BTN_TEXT);
	listItem->addChild(mSetVideoQualityBtn);

	// Add get option for video quality value.
	listItem = new ListViewItem();
	listView->addChild(listItem);
	mGetVideoQualityBtn = new Button();
	mGetVideoQualityBtn->setText(GET_VIDEO_QUALITY_BTN_TEXT);
	mVideoQualityLabel = new Label();
	mVideoQualityLabel->setText(VIDEO_QUALITY_LABEL_TEXT);
	mVideoQualityLabel->fillSpaceHorizontally();
	listItem->addChild(this->createRow(mGetVideoQualityBtn, mVideoQualityLabel));
}

/**
 * Adds a list row that contains widgets for getting the current
 * maximum video duration.
 */
void SettingsScreen::addGetDurationRow(ListView* listView)
{
	ListViewItem* listItem = new ListViewItem();
	listView->addChild(listItem);

	mMaxDurationLabel = new Label();
	mMaxDurationLabel->setText(MAX_DURATION_LABEL_TEXT);
//	mMaxDurationLabel->setFontColor(0x123456);
	mMaxDurationLabel->fillSpaceHorizontally();

	mGetMaxDurationBtn = new Button();
	mGetMaxDurationBtn->setText(MAX_DURATION_BTN_TEXT);
	listItem->addChild(this->createRow(mGetMaxDurationBtn, mMaxDurationLabel));
}

/**
 * Adds a list row that contains widgets for setting the current
 * maximum video duration.
 */
void SettingsScreen::addSetDurationRow(ListView* listView)
{
	ListViewItem* listItem;
	Label* label;

	listItem = new ListViewItem();
	listView->addChild(listItem);
	mMaxDurationEditBox = new EditBox();
	mMaxDurationEditBox->setInputMode(EDIT_BOX_INPUT_MODE_NUMERIC);
	mMaxDurationEditBox->fillSpaceHorizontally();

	label = new Label();
	label->setText(VIDEO_MAX_DURATION_TEXT);
	listItem->addChild(this->createRow(label, mMaxDurationEditBox));
}

/**
 * Adds a list row for setting the camera controls flag.
 */
void SettingsScreen::addCameraControlsFlagRow(ListView* listView)
{
	ListViewItem* listItem;
	Label* label;

	listItem = new ListViewItem();
	listView->addChild(listItem);

	label = new Label();
	label->setText(CAMERA_CONTROLS_LABEL_TEXT);

	mCameraControlsCheckBox = new CheckBox();
	mCameraControlsCheckBox->setState(true);
	listItem->addChild(this->createRow(label, mCameraControlsCheckBox));
	listView->addChild(label);
}

/**
 * Add a button to a list view.
 * @param button The button that will be added.
 * @param listView The list view that will contain the button.
 */
void SettingsScreen::addButtonToListView(Button* button, ListView* listView)
{
	ListViewItem* listItem = new ListViewItem();
	listItem->addChild(button);
	listView->addChild(listItem);
}

/**
 * If there is no list populates the List View Widget with the project data
 * from mProjects vector. Else destroys and deallocates previous list items
 * and creates new ones.
 */
void WorkspaceLayout::updateProjectList(MAUtil::Vector <reloadProject> * projects)
{
	// Remove The ListView and add An Activity Indicator
	lprintfln("Updating Project List");
	mListView->setVisible(false);

	/**
	 * FIXME Removing listView and adding Activity indicator causes
	 * the list view not getting events until some point,
	 * when removing activity indicator to add the list again.
	 */
	//this->removeChild(mListView);
	//this->addChild(mActivityIndicatorContainer);

	// If there was a project Selected before update remove the
	// control buttons
	if(mSelectedProject != -1)
	{
		Widget *h = mListView->getChild(mSelectedProject)->getChild(0);
		h->removeChild(h->getChild(1));
		h->removeChild(h->getChild(1));
	}

	// ReInitialize selected project
	mSelectedProject = -1;
	mSelectedProjectName = "";

	// Delete all the widgets from the ListView
	int prProjects = mListView->countChildWidgets();
	if(prProjects != 0)
	{
		for(int i = 0; i < prProjects; i++)
		{
			Widget *listItemWidget = mListView->getChild(0); // list Item Widget

			Widget *hLayout = listItemWidget->getChild(0); // horizontal layout widget
			for( int j = 0; j < hLayout->countChildWidgets(); j++)
			{
				Widget * w = hLayout->getChild(0);
				hLayout->removeChild(w);
				delete w;
			}

			listItemWidget->removeChild(hLayout);

			delete hLayout;

			mListView->removeChild(listItemWidget);
			delete listItemWidget;
		}
	}

	// Re-populate the ListView with projects
	for (MAUtil::Vector <reloadProject>::iterator i = projects->begin(); i != projects->end(); i++)
	{
		// New List Itemprojects
		ListViewItem* item = new ListViewItem();
		item->setHeight(mWidgetHeight);
		item->fillSpaceHorizontally();

		// New Horizontal Layout
		HorizontalLayout *itemHorizontalLayout = new HorizontalLayout();
		itemHorizontalLayout->fillSpaceHorizontally();
		itemHorizontalLayout->setHeight(mWidgetHeight);

		// New Label
		Label* projectNameLabel = new Label();
		projectNameLabel->setTextHorizontalAlignment(MAW_ALIGNMENT_LEFT);
		projectNameLabel->setTextVerticalAlignment(MAW_ALIGNMENT_CENTER);
		projectNameLabel->setText(i->name);
		projectNameLabel->fillSpaceHorizontally();
		projectNameLabel->fillSpaceVertically();

		if (mOS.find("iPhone") >= 0)
		{
			itemHorizontalLayout->setWidth(item->getWidth());
			projectNameLabel->setFontColor(0xffffff);
		}

		itemHorizontalLayout->addChild(projectNameLabel);

		item->addChild(itemHorizontalLayout);

		mListView->addChild(item);
	}
	mListView->setVisible(true);

	// Remove Indicator and Add Project ListView
	//this->addChild(mListView);
	//this->removeChild(mActivityIndicatorContainer);

}