diff -r a5e4cb4bed43 -r cfcfd617216a Tasks/TaskFilter.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Tasks/TaskFilter.py Sun Apr 29 16:42:02 2012 +0200
@@ -0,0 +1,146 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2005 - 2012 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a class to store task data.
+"""
+
+from PyQt4.QtCore import QRegExp
+
+from .Task import Task
+
+
+class TaskFilter(object):
+ """
+ Class implementing a filter for tasks.
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ self.active = False
+
+ self.descriptionFilter = None
+ self.filenameFilter = None
+ self.typeFilter = Task.TypeNone # task type
+ self.scopeFilter = None # global (False) or project (True)
+ self.statusFilter = None # uncompleted (False) or completed (True)
+ self.prioritiesFilter = None # list of priorities
+ # [0 (high), 1 (normal), 2 (low)]
+
+ def setActive(self, enabled):
+ """
+ Public method to activate the filter.
+
+ @param enabled flag indicating the activation state (boolean)
+ """
+ self.active = enabled
+
+ def setDescriptionFilter(self, filter):
+ """
+ Public method to set the description filter.
+
+ @param filter a regular expression for the description filter
+ to set (string) or None
+ """
+ if not filter:
+ self.descriptionFilter = None
+ else:
+ self.descriptionFilter = QRegExp(filter)
+
+ def setFileNameFilter(self, filter):
+ """
+ Public method to set the filename filter.
+
+ @param filter a wildcard expression for the filename filter
+ to set (string) or None
+ """
+ if not filter:
+ self.filenameFilter = None
+ else:
+ self.filenameFilter = QRegExp(filter)
+ self.filenameFilter.setPatternSyntax(QRegExp.Wildcard)
+
+ def setTypeFilter(self, taskType):
+ """
+ Public method to set the type filter.
+
+ @param taskType type of the task (one of Task.TypeNone, Task.TypeFixme,
+ Task.TypeTodo, Task.TypeWarning, Task.TypeNote)
+ """
+ self.typeFilter = taskType
+
+ def setScopeFilter(self, scope):
+ """
+ Public method to set the scope filter.
+
+ @param scope flag indicating a project task (boolean) or None
+ """
+ self.scopeFilter = scope
+
+ def setStatusFilter(self, status):
+ """
+ Public method to set the status filter.
+
+ @param status flag indicating a completed task (boolean) or None
+ """
+ self.statusFilter = status
+
+ def setPrioritiesFilter(self, priorities):
+ """
+ Public method to set the priorities filter.
+
+ @param priorities list of task priorities (list of integer) or None
+ """
+ self.prioritiesFilter = priorities
+
+ def hasActiveFilter(self):
+ """
+ Public method to check for active filters.
+
+ @return flag indicating an active filter was found (boolean)
+ """
+ return self.descriptionFilter is not None or \
+ self.filenameFilter is not None or \
+ self.typeFilter != Task.TypeNone or \
+ self.scopeFilter is not None or \
+ self.statusFilter is not None or \
+ self.prioritiesFilter is not None
+
+ def showTask(self, task):
+ """
+ Public method to check, if a task should be shown.
+
+ @param task reference to the task object to check (Task)
+ @return flag indicating whether the task should be shown (boolean)
+ """
+ if not self.active:
+ return True
+
+ if self.descriptionFilter and \
+ self.descriptionFilter.indexIn(task.description) == -1:
+ return False
+
+ if self.filenameFilter and \
+ not self.filenameFilter.exactMatch(task.filename):
+ return False
+
+ if self.typeFilter != Task.TypeNone and \
+ self.typeFilter != task.taskType:
+ return False
+
+ if self.scopeFilter is not None and \
+ self.scopeFilter != task._isProjectTask:
+ return False
+
+ if self.statusFilter is not None and \
+ self.statusFilter != task.completed:
+ return False
+
+ if self.prioritiesFilter is not None and \
+ not task.priority in self.prioritiesFilter:
+ return False
+
+ return True
