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/***************************************************************************
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qgsgrassedit.h - GRASS Edit
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copyright : (C) 2004 by Radim Blazek
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***************************************************************************/
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/***************************************************************************
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef QGSGRASSEDIT_H
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#define QGSGRASSEDIT_H
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#include <QCloseEvent>
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#include <q3pointarray.h>
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// Must be here, so that it is included to moc file
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#include "qgisiface.h"
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#include "qgsmaptopixel.h"
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class QgsVertexMarker;
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class QgsGrassEditLayer;
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class QgsGrassAttributes;
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class QgsGrassProvider;
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#include "ui_qgsgrasseditbase.h"
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#include <QMainWindow>
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#include "qgsgrassselect.h"
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// forward declaration of edit tools
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class QgsGrassEditTool;
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class QgsGrassEditNewPoint;
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class QgsGrassEditNewLine;
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class QgsGrassEditMoveVertex;
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class QgsGrassEditAddVertex;
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class QgsGrassEditDeleteVertex;
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class QgsGrassEditMoveLine;
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class QgsGrassEditDeleteLine;
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class QgsGrassEditSplitLine;
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class QgsGrassEditAttributes;
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/*! \class QgsGrassEdit
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* \brief GRASS vector edit.
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class QgsGrassEdit: public QMainWindow, private Ui::QgsGrassEditBase
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SYMB_BOUNDARY_0, /* No areas */
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SYMB_BOUNDARY_1, /* 1 area */
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SYMB_BOUNDARY_2, /* 2 areas */
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SYMB_CENTROID_IN, /* Centroid in area */
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SYMB_CENTROID_OUT, /* Centroid outside area */
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SYMB_CENTROID_DUPL, /* Duplicate centroid in area */
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SYMB_NODE_0, /* Node without lines (points or centroids) */
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SYMB_NODE_1, /* Node with 1 line */
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SYMB_NODE_2, /* Node with 2 lines */
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SYMB_COUNT /* MUST BE LAST, number of symbology layers */
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QgsGrassEdit ( QgisApp *qgisApp, QgisIface *iface,
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QWidget * parent = 0, Qt::WFlags f = 0 );
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QgsGrassEdit ( QgisApp *qgisApp, QgisIface *iface,
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QgsGrassProvider *provider,
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QWidget * parent = 0, Qt::WFlags f = 0 );
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// Shared by constructors
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static bool isRunning (void);
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//! Set new tool and close old one if any
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void startTool (int);
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//! Add category to selected line
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void addCat ( int line );
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//! Delete category from selected line
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void deleteCat ( int line, int field, int cat );
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//! Add attributes to current mAttributes
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void addAttributes ( int field, int cat );
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void increaseMaxCat ( void );
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//! Check orphan database records
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void checkOrphan ( int field, int cat );
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QgsVectorLayer *layer() { return mLayer; }
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// TODO: once available in QGIS, use only one reciver for all signals
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//! Called when rendering is finished
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void postRender ( QPainter * );
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// Slots to start tools (is it possible to pass tool to startTool() directly from GUI ?)
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void newPoint (void); // digitize new point
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void newLine (void); // digitize new line
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void newBoundary (void); // digitize new boundary
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void newCentroid (void); // digitize new centroid
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void moveVertex (void); // move vertex of existing line/boundary
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void addVertex (void); // add new vertex to existing line/boundary
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void deleteVertex (void); // delete vertex of existing line/boundary
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void splitLine (void); // split existing line/boundary
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void moveLine (void); // move existing line/boundary
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void deleteLine (void); // delete existing line/boundary
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void editCats (void); // edit element categories
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void editAttributes (void); // edit element attributes
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//! Category mode was changed
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void on_mCatModeBox_activated() { catModeChanged(); }
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void catModeChanged();
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//! Field was changed
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void on_mFieldBox_activated() { fieldChanged(); }
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// Change attribute table
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void on_mTableField_activated() { attributeTableFieldChanged(); }
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void attributeTableFieldChanged();
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void on_mAddColumnButton_clicked() { addColumn(); }
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void on_mAlterTableButton_clicked() { alterTable(); }
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void changeSymbology( Q3ListViewItem * item, const QPoint & pnt, int col );
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//! width/size changed
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void lineWidthChanged();
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void markerSizeChanged();
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void on_mLineWidthSpinBox_valueChanged() { lineWidthChanged(); }
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void on_mMarkerSizeSpinBox_valueChanged() { markerSizeChanged(); }
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// The type of column was changed
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void columnTypeChanged ( int row, int col );
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void closeEvent(QCloseEvent *e);
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static bool isEditable ( QgsMapLayer *layer );
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//! Window with attributes closed
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void attributesClosed();
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//! Recieve key press from different widget
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void keyPress(QKeyEvent *e);
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//! Editing is already running
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static bool mRunning;
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//! Pointer to edited layer
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QgsVectorLayer *mLayer;
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//! Pointer to toolbar
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//! Point / node size (later make editable array of Sizes)
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//! Transform from layer coordinates to canvas including reprojection
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QgsPoint transformLayerToCanvas ( QgsPoint point);
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//! Transform from layer coordinates to current projection
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QgsPoint transformLayerToMap ( QgsPoint point);
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//! Display all lines and nodes
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* @param x x coordinate in map units
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* @param y y coordinate in map units
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* @param type ICON_CROSS, ICON_X
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* @param size size in pixels, should be odd number
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void displayIcon (double x, double y, const QPen & pen, int type, int size, QPainter *painter = 0);
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* Display dynamic drawing (XOR)
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* Old drawing (in mLastDynamicPoints) is deleted first, and new one is drawn and
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* mLastDynamicPoints is set to Points.
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* SYMB_DYNAMIC color is used
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void displayDynamic ( struct line_pnts *Points );
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/** Display dynamic icon */
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void displayDynamic ( double x, double y, int type, int size );
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/* Display dynamic points + icon */
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void displayDynamic ( struct line_pnts *Points, double x, double y, int type, int size );
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void eraseDynamic ( void );
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* Display map element (lines and points)
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* @param line line number
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void displayElement (int line, const QPen & pen, int size, QPainter *painter = 0);
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* Erase element and its nodes using SYMB_BACKGROUD
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* @param line line number
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void eraseElement ( int line );
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* @param painter pointer to painter or 0
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* @param node node number
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* @param size size in pixels, should be odd number
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void displayNode ( int node, const QPen & pen, int size, QPainter *painter = 0);
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//! Status: true - active vector was successfully opened for editing
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//! Initialization complete
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//! Pointer to the QGIS interface object
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//! Pointer to canvas
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QgsMapCanvas *mCanvas;
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//! Pointer to vector provider
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QgsGrassProvider *mProvider;
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//! Current tool (EditTools)
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//! If tool is not closed and another QGIS tool is selected, suspend is set to true.
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// GRASS Edit will continue if the same tool is selected later.
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//! Currently digitized line points,
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// points of currently mooving line (original coordinates)
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struct line_pnts *mEditPoints;
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//! Working structure for line points
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struct line_pnts *mPoints;
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//! Working category structure
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struct line_cats *mCats;
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//! Vector of maximum used category values for each field
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std::vector<MaxCat> mMaxCats;
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//! Copy of background from canvas pixmap before any draw
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//QPixmap *mBackgroundPixmap;
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QgsMapToPixel *mTransform;
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//! Last point where user clicked (map units)
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//! Selected line or 0
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//! Selected segment or vertex (first is 0) (MOVE_VERTEX, ADD_VERTEX, DELETE_VERTEX)
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//! Appand a new vertex at the end (not insert into existing segment)
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//! Vector of symbology codes for lines, indexes of lines start at 1, always resize nlines+1
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std::vector<int> mLineSymb;
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//! Vector of symbology codes for nodes, indexes of nodes start at 1, always resize nnodes+1
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std::vector<int> mNodeSymb;
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//! Vector of pens for symbology codes
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std::vector<QPen> mSymb;
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//! Display this type
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std::vector<bool> mSymbDisplay;
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std::vector<QString> mSymbName;
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* Read line symbology from map
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* @return symbology code
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int lineSymbFromMap ( int line );
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* Read node symbology from map
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* @return symbology code
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int nodeSymbFromMap ( int node );
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* Set symbology of updated lines and nodes from map
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void updateSymb ( void );
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* Display updated lines and nodes
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void displayUpdated ( void );
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/** Write new element. Current field category is taken.
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int writeLine ( int type, struct line_pnts *Points );
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/** Get Current threshold in map units */
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double threshold ( void );
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/** Snap to nearest node in current threshold */
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void snap ( QgsPoint & point );
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void snap ( double *x, double *y);
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/** Snap point line considering line starting point */
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void snap ( QgsPoint & point, double startX, double startY);
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QgsGrassAttributes *mAttributes;
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void restorePosition(void);
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void saveWindowLocation(void);
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// Set attribute table
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void setAttributeTable(int field);
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// Pront which should be displayed in status bar when mouse is in canvas
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QString mCanvasPrompt;
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// Set prompt for mouse buttons
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void setCanvasPropmt ( QString left, QString mid, QString rigth);
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// New map, add new layers on exit
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QAction *mNewPointAction;
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QAction *mNewLineAction;
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QAction *mNewBoundaryAction;
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QAction *mNewCentroidAction;
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QAction *mMoveVertexAction;
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QAction *mAddVertexAction;
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QAction *mDeleteVertexAction;
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QAction *mMoveLineAction;
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QAction *mSplitLineAction;
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QAction *mDeleteLineAction;
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QAction *mEditAttributesAction;
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QAction *mCloseEditAction;
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QgsMapTool *mMapTool;
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// Is projection enabled?
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bool mProjectionEnabled;
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QgsRubberBand *mRubberBandLine;
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QgsVertexMarker *mRubberBandIcon;
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QgsGrassEditLayer* mCanvasEdit;
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// edit tools are friend classes so they can
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// access proteced/private members of QgsGrassEdit
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friend class QgsGrassEditTool;
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friend class QgsGrassEditNewPoint;
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friend class QgsGrassEditNewLine;
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friend class QgsGrassEditMoveVertex;
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friend class QgsGrassEditAddVertex;
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friend class QgsGrassEditDeleteVertex;
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friend class QgsGrassEditMoveLine;
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friend class QgsGrassEditDeleteLine;
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friend class QgsGrassEditSplitLine;
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friend class QgsGrassEditAttributes;
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#endif // QGSGRASSEDIT_H
added
removed
src/plugins/grass/qgsgrassedit.h
