forked from etiennesky/profiletool
/
profileplugin.py
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profileplugin.py
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# -*- coding: utf-8 -*-
#-----------------------------------------------------------
#
# Profile
# Copyright (C) 2008 Borys Jurgiel
# Copyright (C) 2012 Patrice Verchere
#-----------------------------------------------------------
#
# licensed under the terms of GNU GPL 2
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this progsram; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#---------------------------------------------------------------------
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
import resources
from ui.ptdockwidget import PTDockWidget
from tools.doprofile import DoProfile
from tools.ptmaptool import ProfiletoolMapTool
from tools.tableviewtool import TableViewTool
from tools.selectlinetool import SelectLineTool
from tools.plottingtool import PlottingTool
from tools.utils import isProfilable
class ProfilePlugin:
def __init__(self, iface):
self.iface = iface
self.canvas = iface.mapCanvas()
self.wdg = None
self.tool = None
self.lastFreeHandPoints = []
def initGui(self):
# create action
self.action = QAction(QIcon(":/plugins/profiletool/icons/profileIcon.png"), "Terrain profile", self.iface.mainWindow())
self.action.setWhatsThis("Plots terrain profiles")
QObject.connect(self.action, SIGNAL("triggered()"), self.run)
self.aboutAction = QAction("About", self.iface.mainWindow())
QObject.connect(self.aboutAction, SIGNAL("triggered()"), self.about)
# add toolbar button and menu item
self.iface.addToolBarIcon(self.action)
self.iface.addPluginToMenu("&Profile Tool", self.action)
self.iface.addPluginToMenu("&Profile Tool", self.aboutAction)
#Init classe variables
self.tool = ProfiletoolMapTool(self.iface.mapCanvas(),self.action) #the mouselistener
self.dockOpened = False #remember for not reopening dock if there's already one opened
self.pointstoDraw = None #Polyline in mapcanvas CRS analysed
self.dblclktemp = None #enable disctinction between leftclick and doubleclick
self.mdl = None #the model whitch in are saved layers analysed caracteristics
self.selectionmethod = 0 #The selection method defined in option
self.saveTool = self.canvas.mapTool() #Save the standard mapttool for restoring it at the end
self.layerindex = None #for selection mode
self.previousLayer = None #for selection mode
self.plotlibrary = None #The plotting library to use
self.textquit0 = "Click for polyline and double click to end (right click to cancel then quit)"
self.textquit1 = "Select the polyline in a vector layer (Right click to quit)"
def unload(self):
if not self.wdg is None:
self.wdg.close()
self.iface.removeToolBarIcon(self.action)
self.iface.removePluginMenu("&Profile Tool", self.action)
self.iface.removePluginMenu("&Profile Tool", self.aboutAction)
def run(self):
# first, check posibility
if self.checkIfOpening() == False:
return
#if dock not already opened, open the dock and all the necessary thing (model,doProfile...)
if self.dockOpened == False:
self.mdl = QStandardItemModel(0, 5)
self.wdg = PTDockWidget(self.iface.mainWindow(), self.iface, self.mdl)
self.wdg.showIt()
self.doprofile = DoProfile(self.iface,self.wdg,self.tool,self)
self.tableViewTool = TableViewTool()
QObject.connect(self.wdg, SIGNAL( "closed(PyQt_PyObject)" ), self.cleaning2)
QObject.connect(self.wdg.tableView,SIGNAL("clicked(QModelIndex)"), self._onClick)
QObject.connect(self.wdg.pushButton_2, SIGNAL("clicked()"), self.addLayer)
QObject.connect(self.wdg.pushButton, SIGNAL("clicked()"), self.removeLayer)
QObject.connect(self.wdg.comboBox, SIGNAL("currentIndexChanged(int)"), self.selectionMethod)
QObject.connect(self.wdg.cboLibrary, SIGNAL("currentIndexChanged(int)"), self.changePlotLibrary)
self.tableViewTool.layerAddedOrRemoved.connect(self.refreshPlot)
self.wdg.addOptionComboboxItems()
self.addLayer()
self.dockOpened = True
#Listeners of mouse
self.connectTool()
#init the mouse listener comportement and save the classic to restore it on quit
self.canvas.setMapTool(self.tool)
#init the temp layer where the polyline is draw
self.polygon = False
self.rubberband = QgsRubberBand(self.canvas, self.polygon)
self.rubberband.setWidth(2)
self.rubberband.setColor(QColor(Qt.red))
#init the table where is saved the poyline
self.pointstoDraw = []
self.pointstoCal = []
self.lastClicked = [[-9999999999.9,9999999999.9]]
# The last valid line we drew to create a free-hand profile
self.lastFreeHandPoints = []
#Help about what doing
if self.selectionmethod == 0:
self.iface.mainWindow().statusBar().showMessage(self.textquit0)
elif self.selectionmethod == 1:
self.iface.mainWindow().statusBar().showMessage(self.textquit1)
#************************************* Mouse listener actions ***********************************************
def moved(self,position): #draw the polyline on the temp layer (rubberband)
if self.selectionmethod == 0:
if len(self.pointstoDraw) > 0:
#Get mouse coords
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"],position["y"])
#Draw on temp layer
if QGis.QGIS_VERSION_INT >= 10900:
self.rubberband.reset(QGis.Line)
else:
self.rubberband.reset(self.polygon)
for i in range(0,len(self.pointstoDraw)):
self.rubberband.addPoint(QgsPoint(self.pointstoDraw[i][0],self.pointstoDraw[i][1]))
self.rubberband.addPoint(QgsPoint(mapPos.x(),mapPos.y()))
if self.selectionmethod == 1:
return
def rightClicked(self,position): #used to quit the current action
if self.selectionmethod == 0:
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"],position["y"])
newPoints = [[mapPos.x(), mapPos.y()]]
#if newPoints == self.lastClicked: return # sometimes a strange "double click" is given
if len(self.pointstoDraw) > 0:
self.pointstoDraw = []
self.pointstoCal = []
self.rubberband.reset(self.polygon)
else:
self.cleaning()
if self.selectionmethod == 1:
try:
self.previousLayer.removeSelection( False )
except:
self.iface.mainWindow().statusBar().showMessage("error right click")
self.cleaning()
def leftClicked(self,position): #Add point to analyse
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"],position["y"])
newPoints = [[mapPos.x(), mapPos.y()]]
if self.doprofile.doTracking:
self.doprofile.rubberband.hide()
if self.selectionmethod == 0:
if newPoints == self.dblclktemp:
self.dblclktemp = None
return
else :
if len(self.pointstoDraw) == 0:
self.rubberband.reset(self.polygon)
self.pointstoDraw += newPoints
if self.selectionmethod == 1:
result = SelectLineTool().getPointTableFromSelectedLine(self.iface, self.tool, newPoints, self.layerindex, self.previousLayer , self.pointstoDraw)
self.pointstoDraw = result[0]
self.layerindex = result[1]
self.previousLayer = result[2]
self.doprofile.calculateProfil(self.pointstoDraw, self.mdl,self.plotlibrary, False)
self.pointstoDraw = []
self.iface.mainWindow().statusBar().showMessage(self.textquit1)
def doubleClicked(self,position):
if self.selectionmethod == 0:
#Validation of line
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"],position["y"])
newPoints = [[mapPos.x(), mapPos.y()]]
self.pointstoDraw += newPoints
#launch analyses
self.iface.mainWindow().statusBar().showMessage(str(self.pointstoDraw))
self.doprofile.calculateProfil(self.pointstoDraw,self.mdl, self.plotlibrary)
#Reset
self.lastFreeHandPoints = self.pointstoDraw
self.pointstoDraw = []
#temp point to distinct leftclick and dbleclick
self.dblclktemp = newPoints
self.iface.mainWindow().statusBar().showMessage(self.textquit0)
if self.selectionmethod == 1:
return
#***************************** open and quit options *******************************************
def checkIfOpening(self):
ver = str(QGis.QGIS_VERSION)
if ver[0] == "0" and ((ver[2] != "1") or (ver[3] != "1")): #Check qgis version
QMessageBox.warning(self.iface.mainWindow(), "Profile tool", "Quantum GIS version detected: "+ver+"\nProfile plugin requires version at least 0.11")
return False
if self.iface.mapCanvas().layerCount() == 0: #Check a layer is opened
QMessageBox.warning(self.iface.mainWindow(), "Profile", "First open any raster layer, please")
return False
layer = self.iface.activeLayer()
if layer == None or not isProfilable(layer) : #Check if a raster layer is opened and selectionned
if self.mdl == None:
QMessageBox.warning(self.iface.mainWindow(), "Profile Tool", "Please select one raster layer")
return False
if self.mdl.rowCount() == 0:
QMessageBox.warning(self.iface.mainWindow(), "Profile Tool", "Please select one raster layer")
return False
return True
def connectTool(self):
QObject.connect(self.tool, SIGNAL("moved"), self.moved)
QObject.connect(self.tool, SIGNAL("rightClicked"), self.rightClicked)
QObject.connect(self.tool, SIGNAL("leftClicked"), self.leftClicked)
QObject.connect(self.tool, SIGNAL("doubleClicked"), self.doubleClicked)
QObject.connect(self.tool, SIGNAL("deactivate"), self.deactivate)
def deactivate(self): #enable clean exit of the plugin
QObject.disconnect(self.tool, SIGNAL("moved"), self.moved)
QObject.disconnect(self.tool, SIGNAL("leftClicked"), self.leftClicked)
QObject.disconnect(self.tool, SIGNAL("rightClicked"), self.rightClicked)
QObject.disconnect(self.tool, SIGNAL("doubleClicked"), self.doubleClicked)
self.rubberband.reset(self.polygon)
self.iface.mainWindow().statusBar().showMessage("")
def cleaning(self): #used on right click
try:
#print str(self.previousLayer)
self.previousLayer.removeSelection(False)
#self.previousLayer.select(None)
except:
pass
if self.doprofile.doTracking:
self.iface.mapCanvas().scene().removeItem(self.doprofile.rubberband)
self.wdg.checkBox_mpl_tracking.setCheckState(0)
self.canvas.unsetMapTool(self.tool)
self.canvas.setMapTool(self.saveTool)
#self.rubberband.reset(self.polygon)
self.iface.mainWindow().statusBar().showMessage( "" )
def cleaning2(self): #used when Dock dialog is closed
QObject.disconnect(self.wdg.tableView,SIGNAL("clicked(QModelIndex)"), self._onClick)
QObject.disconnect(self.wdg.comboBox, SIGNAL("currentIndexChanged(int)"), self.selectionMethod)
self.tableViewTool.layerAddedOrRemoved.disconnect(self.refreshPlot)
self.mdl = None
self.dockOpened = False
self.cleaning()
self.wdg = None
#***************************** Options *******************************************
def selectionMethod(self,item):
if item == 0:
self.selectionmethod = 0
self.tool.setCursor(Qt.CrossCursor)
elif item == 1:
self.selectionmethod = 1
self.tool.setCursor(Qt.PointingHandCursor)
self.pointstoDraw = []
self.pointstoCal = []
self.rubberband.reset(self.polygon)
if self.canvas.mapTool() == self.tool:
self.canvas.setMapTool(self.tool)
self.connectTool()
if self.selectionmethod == 0:
self.iface.mainWindow().statusBar().showMessage(self.textquit0)
elif self.selectionmethod == 1:
self.iface.mainWindow().statusBar().showMessage(self.textquit1)
def changePlotLibrary(self, item):
self.plotlibrary = self.wdg.cboLibrary.itemText(item)
if self.plotlibrary == 'Matplotlib':
self.wdg.checkBox_mpl_tracking.setEnabled(True)
self.wdg.checkBox_mpl_tracking.stateChanged.connect(self.doprofile.activateMouseTracking)
else:
self.wdg.checkBox_mpl_tracking.setCheckState(0)
self.wdg.checkBox_mpl_tracking.setEnabled(False)
self.wdg.addPlotWidget(self.plotlibrary)
#************************* tableview function ******************************************
def addLayer(self, layer1 = None):
if layer1 is None:
layer1 = self.iface.activeLayer()
self.tableViewTool.addLayer(self.iface, self.mdl, layer1)
layer1.dataChanged.connect(self.refreshPlot)
def _onClick(self,index1): #action when clicking the tableview
self.tableViewTool.onClick(self.iface, self.wdg, self.mdl, self.plotlibrary, index1)
def removeLayer(self, index=None):
if index is None:
index = self.tableViewTool.chooseLayerForRemoval(self.iface, self.mdl)
if index is not None:
layer = self.mdl.index(index, 4).data()
layer.dataChanged.disconnect(self.refreshPlot)
self.tableViewTool.removeLayer(self.mdl, index)
def about(self):
from ui.dlgabout import DlgAbout
DlgAbout(self.iface.mainWindow()).exec_()
def refreshPlot(self):
"""
Refreshes/updates the plot without requiring the user to
redraw the plot line (rubberband)
"""
if self.selectionmethod == 0:
if len(self.lastFreeHandPoints) > 1:
self.doprofile.calculateProfil(self.lastFreeHandPoints, self.mdl, self.plotlibrary)