From 74eb0b9a9a685a32be21db30f097a22ddf3ec4cf Mon Sep 17 00:00:00 2001
From: Tim O'Shea <tim.oshea753@gmail.com>
Date: Mon, 8 Jul 2013 10:29:19 -0400
Subject: grc: Fix whitespace issue in grc to use proper spaces
Remove all \t's to match the rest of GNU Radio
---
grc/gui/BlockTreeWindow.py | 336 ++++++++++++++++++++++-----------------------
1 file changed, 168 insertions(+), 168 deletions(-)
(limited to 'grc/gui/BlockTreeWindow.py')
diff --git a/grc/gui/BlockTreeWindow.py b/grc/gui/BlockTreeWindow.py
index 28867dce7c..7d52f730ed 100644
--- a/grc/gui/BlockTreeWindow.py
+++ b/grc/gui/BlockTreeWindow.py
@@ -38,172 +38,172 @@ undocumented#slurp
CAT_MARKUP_TMPL="""Category: $cat"""
class BlockTreeWindow(gtk.VBox):
- """The block selection panel."""
-
- def __init__(self, platform, get_flow_graph):
- """
- BlockTreeWindow constructor.
- Create a tree view of the possible blocks in the platform.
- The tree view nodes will be category names, the leaves will be block names.
- A mouse double click or button press action will trigger the add block event.
-
- Args:
- platform: the particular platform will all block prototypes
- get_flow_graph: get the selected flow graph
- """
- gtk.VBox.__init__(self)
- self.platform = platform
- self.get_flow_graph = get_flow_graph
- #make the tree model for holding blocks
- self.treestore = gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
- self.treeview = gtk.TreeView(self.treestore)
- self.treeview.set_enable_search(False) #disable pop up search box
- self.treeview.add_events(gtk.gdk.BUTTON_PRESS_MASK)
- self.treeview.connect('button-press-event', self._handle_mouse_button_press)
- selection = self.treeview.get_selection()
- selection.set_mode('single')
- selection.connect('changed', self._handle_selection_change)
- renderer = gtk.CellRendererText()
- column = gtk.TreeViewColumn('Blocks', renderer, text=NAME_INDEX)
- self.treeview.append_column(column)
- #setup the search
- self.treeview.set_enable_search(True)
- self.treeview.set_search_equal_func(self._handle_search)
- #try to enable the tooltips (available in pygtk 2.12 and above)
- try: self.treeview.set_tooltip_column(DOC_INDEX)
- except: pass
+ """The block selection panel."""
+
+ def __init__(self, platform, get_flow_graph):
+ """
+ BlockTreeWindow constructor.
+ Create a tree view of the possible blocks in the platform.
+ The tree view nodes will be category names, the leaves will be block names.
+ A mouse double click or button press action will trigger the add block event.
+
+ Args:
+ platform: the particular platform will all block prototypes
+ get_flow_graph: get the selected flow graph
+ """
+ gtk.VBox.__init__(self)
+ self.platform = platform
+ self.get_flow_graph = get_flow_graph
+ #make the tree model for holding blocks
+ self.treestore = gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
+ self.treeview = gtk.TreeView(self.treestore)
+ self.treeview.set_enable_search(False) #disable pop up search box
+ self.treeview.add_events(gtk.gdk.BUTTON_PRESS_MASK)
+ self.treeview.connect('button-press-event', self._handle_mouse_button_press)
+ selection = self.treeview.get_selection()
+ selection.set_mode('single')
+ selection.connect('changed', self._handle_selection_change)
+ renderer = gtk.CellRendererText()
+ column = gtk.TreeViewColumn('Blocks', renderer, text=NAME_INDEX)
+ self.treeview.append_column(column)
+ #setup the search
+ self.treeview.set_enable_search(True)
+ self.treeview.set_search_equal_func(self._handle_search)
+ #try to enable the tooltips (available in pygtk 2.12 and above)
+ try: self.treeview.set_tooltip_column(DOC_INDEX)
+ except: pass
#setup sort order
- column.set_sort_column_id(0)
- #setup drag and drop
- self.treeview.enable_model_drag_source(gtk.gdk.BUTTON1_MASK, DND_TARGETS, gtk.gdk.ACTION_COPY)
- self.treeview.connect('drag-data-get', self._handle_drag_get_data)
- #make the scrolled window to hold the tree view
- scrolled_window = gtk.ScrolledWindow()
- scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
- scrolled_window.add_with_viewport(self.treeview)
- scrolled_window.set_size_request(DEFAULT_BLOCKS_WINDOW_WIDTH, -1)
- self.pack_start(scrolled_window)
- #add button
- self.add_button = gtk.Button(None, gtk.STOCK_ADD)
- self.add_button.connect('clicked', self._handle_add_button)
- self.pack_start(self.add_button, False)
- #map categories to iters, automatic mapping for root
- self._categories = {tuple(): None}
- #add blocks and categories
- self.platform.load_block_tree(self)
- #initialize
- self._update_add_button()
-
- def clear(self):
- self.treestore.clear();
- self._categories = {tuple(): None}
-
-
- ############################################################
- ## Block Tree Methods
- ############################################################
- def add_block(self, category, block=None):
- """
- Add a block with category to this selection window.
- Add only the category when block is None.
-
- Args:
- category: the category list or path string
- block: the block object or None
- """
- if isinstance(category, str): category = category.split('/')
- category = tuple(filter(lambda x: x, category)) #tuple is hashable
- #add category and all sub categories
- for i, cat_name in enumerate(category):
- sub_category = category[:i+1]
- if sub_category not in self._categories:
- iter = self.treestore.insert_before(self._categories[sub_category[:-1]], None)
- self.treestore.set_value(iter, NAME_INDEX, '[ %s ]'%cat_name)
- self.treestore.set_value(iter, KEY_INDEX, '')
- self.treestore.set_value(iter, DOC_INDEX, Utils.parse_template(CAT_MARKUP_TMPL, cat=cat_name))
- self._categories[sub_category] = iter
- #add block
- if block is None: return
- iter = self.treestore.insert_before(self._categories[category], None)
- self.treestore.set_value(iter, NAME_INDEX, block.get_name())
- self.treestore.set_value(iter, KEY_INDEX, block.get_key())
- self.treestore.set_value(iter, DOC_INDEX, Utils.parse_template(DOC_MARKUP_TMPL, doc=block.get_doc()))
-
- ############################################################
- ## Helper Methods
- ############################################################
- def _get_selected_block_key(self):
- """
- Get the currently selected block key.
-
- Returns:
- the key of the selected block or a empty string
- """
- selection = self.treeview.get_selection()
- treestore, iter = selection.get_selected()
- return iter and treestore.get_value(iter, KEY_INDEX) or ''
-
- def _update_add_button(self):
- """
- Update the add button's sensitivity.
- The button should be active only if a block is selected.
- """
- key = self._get_selected_block_key()
- self.add_button.set_sensitive(bool(key))
-
- def _add_selected_block(self):
- """
- Add the selected block with the given key to the flow graph.
- """
- key = self._get_selected_block_key()
- if key: self.get_flow_graph().add_new_block(key)
-
- ############################################################
- ## Event Handlers
- ############################################################
- def _handle_search(self, model, column, key, iter):
- #determine which blocks match the search key
- blocks = self.get_flow_graph().get_parent().get_blocks()
- matching_blocks = filter(lambda b: key in b.get_key() or key in b.get_name().lower(), blocks)
- #remove the old search category
- try: self.treestore.remove(self._categories.pop((self._search_category, )))
- except (KeyError, AttributeError): pass #nothing to remove
- #create a search category
- if not matching_blocks: return
- self._search_category = 'Search: %s'%key
- for block in matching_blocks: self.add_block(self._search_category, block)
- #expand the search category
- path = self.treestore.get_path(self._categories[(self._search_category, )])
- self.treeview.collapse_all()
- self.treeview.expand_row(path, open_all=False)
-
- def _handle_drag_get_data(self, widget, drag_context, selection_data, info, time):
- """
- Handle a drag and drop by setting the key to the selection object.
- This will call the destination handler for drag and drop.
- Only call set when the key is valid to ignore DND from categories.
- """
- key = self._get_selected_block_key()
- if key: selection_data.set(selection_data.target, 8, key)
-
- def _handle_mouse_button_press(self, widget, event):
- """
- Handle the mouse button press.
- If a left double click is detected, call add selected block.
- """
- if event.button == 1 and event.type == gtk.gdk._2BUTTON_PRESS:
- self._add_selected_block()
-
- def _handle_selection_change(self, selection):
- """
- Handle a selection change in the tree view.
- If a selection changes, set the add button sensitive.
- """
- self._update_add_button()
-
- def _handle_add_button(self, widget):
- """
- Handle the add button clicked signal.
- Call add selected block.
- """
- self._add_selected_block()
+ column.set_sort_column_id(0)
+ #setup drag and drop
+ self.treeview.enable_model_drag_source(gtk.gdk.BUTTON1_MASK, DND_TARGETS, gtk.gdk.ACTION_COPY)
+ self.treeview.connect('drag-data-get', self._handle_drag_get_data)
+ #make the scrolled window to hold the tree view
+ scrolled_window = gtk.ScrolledWindow()
+ scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+ scrolled_window.add_with_viewport(self.treeview)
+ scrolled_window.set_size_request(DEFAULT_BLOCKS_WINDOW_WIDTH, -1)
+ self.pack_start(scrolled_window)
+ #add button
+ self.add_button = gtk.Button(None, gtk.STOCK_ADD)
+ self.add_button.connect('clicked', self._handle_add_button)
+ self.pack_start(self.add_button, False)
+ #map categories to iters, automatic mapping for root
+ self._categories = {tuple(): None}
+ #add blocks and categories
+ self.platform.load_block_tree(self)
+ #initialize
+ self._update_add_button()
+
+ def clear(self):
+ self.treestore.clear();
+ self._categories = {tuple(): None}
+
+
+ ############################################################
+ ## Block Tree Methods
+ ############################################################
+ def add_block(self, category, block=None):
+ """
+ Add a block with category to this selection window.
+ Add only the category when block is None.
+
+ Args:
+ category: the category list or path string
+ block: the block object or None
+ """
+ if isinstance(category, str): category = category.split('/')
+ category = tuple(filter(lambda x: x, category)) #tuple is hashable
+ #add category and all sub categories
+ for i, cat_name in enumerate(category):
+ sub_category = category[:i+1]
+ if sub_category not in self._categories:
+ iter = self.treestore.insert_before(self._categories[sub_category[:-1]], None)
+ self.treestore.set_value(iter, NAME_INDEX, '[ %s ]'%cat_name)
+ self.treestore.set_value(iter, KEY_INDEX, '')
+ self.treestore.set_value(iter, DOC_INDEX, Utils.parse_template(CAT_MARKUP_TMPL, cat=cat_name))
+ self._categories[sub_category] = iter
+ #add block
+ if block is None: return
+ iter = self.treestore.insert_before(self._categories[category], None)
+ self.treestore.set_value(iter, NAME_INDEX, block.get_name())
+ self.treestore.set_value(iter, KEY_INDEX, block.get_key())
+ self.treestore.set_value(iter, DOC_INDEX, Utils.parse_template(DOC_MARKUP_TMPL, doc=block.get_doc()))
+
+ ############################################################
+ ## Helper Methods
+ ############################################################
+ def _get_selected_block_key(self):
+ """
+ Get the currently selected block key.
+
+ Returns:
+ the key of the selected block or a empty string
+ """
+ selection = self.treeview.get_selection()
+ treestore, iter = selection.get_selected()
+ return iter and treestore.get_value(iter, KEY_INDEX) or ''
+
+ def _update_add_button(self):
+ """
+ Update the add button's sensitivity.
+ The button should be active only if a block is selected.
+ """
+ key = self._get_selected_block_key()
+ self.add_button.set_sensitive(bool(key))
+
+ def _add_selected_block(self):
+ """
+ Add the selected block with the given key to the flow graph.
+ """
+ key = self._get_selected_block_key()
+ if key: self.get_flow_graph().add_new_block(key)
+
+ ############################################################
+ ## Event Handlers
+ ############################################################
+ def _handle_search(self, model, column, key, iter):
+ #determine which blocks match the search key
+ blocks = self.get_flow_graph().get_parent().get_blocks()
+ matching_blocks = filter(lambda b: key in b.get_key() or key in b.get_name().lower(), blocks)
+ #remove the old search category
+ try: self.treestore.remove(self._categories.pop((self._search_category, )))
+ except (KeyError, AttributeError): pass #nothing to remove
+ #create a search category
+ if not matching_blocks: return
+ self._search_category = 'Search: %s'%key
+ for block in matching_blocks: self.add_block(self._search_category, block)
+ #expand the search category
+ path = self.treestore.get_path(self._categories[(self._search_category, )])
+ self.treeview.collapse_all()
+ self.treeview.expand_row(path, open_all=False)
+
+ def _handle_drag_get_data(self, widget, drag_context, selection_data, info, time):
+ """
+ Handle a drag and drop by setting the key to the selection object.
+ This will call the destination handler for drag and drop.
+ Only call set when the key is valid to ignore DND from categories.
+ """
+ key = self._get_selected_block_key()
+ if key: selection_data.set(selection_data.target, 8, key)
+
+ def _handle_mouse_button_press(self, widget, event):
+ """
+ Handle the mouse button press.
+ If a left double click is detected, call add selected block.
+ """
+ if event.button == 1 and event.type == gtk.gdk._2BUTTON_PRESS:
+ self._add_selected_block()
+
+ def _handle_selection_change(self, selection):
+ """
+ Handle a selection change in the tree view.
+ If a selection changes, set the add button sensitive.
+ """
+ self._update_add_button()
+
+ def _handle_add_button(self, widget):
+ """
+ Handle the add button clicked signal.
+ Call add selected block.
+ """
+ self._add_selected_block()
--
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