#include "ManualLabelToolWidget.h"
#include <qdockwidget.h>
#include <qgslayertreeview.h>
#include <qgslayertreemodel.h>
#include <qgslayertreemapcanvasbridge.h>

ManualLabelToolWidget::ManualLabelToolWidget(QWidget *parent)
    : QMainWindow(parent)
{
    this->init_UI();

}

ManualLabelToolWidget::~ManualLabelToolWidget()
{
}

void ManualLabelToolWidget::init_UI()
{
    // 1. inti map canvas
    this->map_canvas =  new QgsMapCanvas();
    this->setCentralWidget((this->map_canvas));

    // 2. map tool pan
    this->map_tool_pan = new  QgsMapToolPan(this->map_canvas);
    this->map_canvas->setMapTool(this->map_tool_pan);
     
    // 3. map layer manager
    this->map_layerTreeView =new  QgsLayerTreeView(this);
    // 4. create map model
    this->map_layerModel = new  QgsLayerTreeModel(QgsProject::instance()->layerTreeRoot(), this);
    this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeRename);     // 允许重命名
    this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeReorder);    // 允许调整顺序
    this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeChangeVisibility); // 允许改变可见性
    this->map_layerModel->setFlag(QgsLayerTreeModel::ShowLegendAsTree);   // 以树状图显示图例
    this->map_layerModel->setAutoCollapseLegendNodes(10); // 自动折叠过多图例项
  
    this->map_layerTreeView->setModel(this->map_layerModel);
    // create bridge between mapcontrol and layer 
    this->map_layer_Bridge = new QgsLayerTreeMapCanvasBridge(QgsProject::instance()->layerTreeRoot(), this->map_canvas, this);
 

    // layer 布局
    // 1. 创建一个QDockWidget（停靠窗口）来承载图层树视图
    this->layerTreeDock =new QDockWidget(tr(u8"图层管理器"), this);
    this->layerTreeDock->setWidget(this->map_layerTreeView);

    // 2. 将已有的图层树视图(m_layerTreeView)设置为这个停靠窗口的中心部件
    layerTreeDock->setWidget(this->map_layerTreeView);

    // 3. (可选但推荐)设置停靠窗口允许停靠的区域
    layerTreeDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);

 

    // 5. 将停靠窗口添加到主窗口的左侧区域
    this->addDockWidget(Qt::LeftDockWidgetArea, this->layerTreeDock);




}