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phoenix_title wx.lib.agw.hypertreelist.TreeListMainWindow

This class represents the main window (and thus the main column) in HyperTreeList.

Note

This is a subclass of CustomTreeCtrl.


class_hierarchy Class Hierarchy

Inheritance diagram for class TreeListMainWindow:

method_summary Methods Summary

__init__

Default class constructor.

AddRoot

Adds a root item to the TreeListMainWindow.

AdjustMyScrollbars

Internal method used to adjust the ScrolledWindow scrollbars.

CalculateLevel

Calculates the level of an item inside the tree hierarchy.

CalculatePositions

Recalculates all the items positions.

CalculateSize

Calculates overall position and size of an item.

ChildrenClosing

We are about to destroy the item’s children.

Delete

Deletes an item.

DeleteAllItems

Delete all items in the TreeListMainWindow.

DeleteItemWindow

Deletes the window in the column associated to an item (if any).

DeleteRoot

Removes the tree root item (and subsequently all the items in

DoInsertItem

Actually inserts an item in the tree.

EditLabel

Starts editing an item label.

EnableItem

Enables/disables an item.

GetBestColumnWidth

Returns the best column’s width based on the items width in this column.

GetColumnCount

Returns the total number of columns.

GetCurrentItem

Returns the current item.

GetFirstExpandedItem

Returns the first item which is in the expanded state.

GetFirstVisibleItem

Returns the first visible item.

GetItemBackgroundColour

Returns the column background colour of the item

GetItemImage

Returns the item image.

GetItemText

Returns the item text label.

GetItemWidth

Returns the item width.

GetItemWindow

Returns the window associated with an item.

GetItemWindowEnabled

Returns whether the window associated with an item is enabled or not.

GetMainColumn

Returns the HyperTreeList main column (i.e. the position of the underlying

GetNextExpanded

Returns the next expanded item after the input one.

GetPrevChild

Returns the previous child of an item.

GetPrevExpanded

Returns the previous expanded item before the input one.

GetPrevVisible

Returns the previous visible item before the input one.

HideItemWindows

Hides all windows belonging to given item and its children.

HideWindows

Scans all item windows in the tree and hides those whose items

HitTest

Calculates which (if any) item is under the given point, returning the tree item

IsItemEnabled

Returns whether an item is enabled or disabled.

IsItemVisible

Returns whether the item is visible or not.

IsVirtual

Returns True if TreeListMainWindow has the TR_VIRTUAL flag set.

OnAcceptEdit

Called by EditTextCtrl, to accept the changes and to send the

OnCancelEdit

Called by EditCtrl, to cancel the changes and to send the

OnEditTimer

The timer for editing has expired. Start editing.

OnEraseBackground

Handles the wx.EVT_ERASE_BACKGROUND event for TreeListMainWindow.

OnMouse

Handles the wx.EVT_MOUSE_EVENTS event for TreeListMainWindow.

OnPaint

Handles the wx.EVT_PAINT event for TreeListMainWindow.

OnScroll

Handles the wx.EVT_SCROLLWIN event for TreeListMainWindow.

PaintItem

Actually draws an item.

PaintLevel

Paint a level in the hierarchy of TreeListMainWindow.

ScrollTo

Scrolls the specified item into view.

SetBuffered

Sets/unsets the double buffering for the main window.

SetDragItem

Sets the specified item as member of a current drag and drop operation.

SetItemBackgroundColour

Sets the column background colour of the item

SetItemImage

Sets the item image for a particular item state.

SetItemText

Sets the item text label.

SetItemWindow

Sets the window associated to an item.

SetItemWindowEnabled

Sets whether the window associated with an item is enabled or not.

SetMainColumn

Sets the HyperTreeList main column (i.e. the position of the underlying

api Class API

class TreeListMainWindow(CustomTreeCtrl)

This class represents the main window (and thus the main column) in HyperTreeList.

Note

This is a subclass of CustomTreeCtrl.


Methods

__init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition, size=wx.DefaultSize, style=0, agwStyle=wx.TR_DEFAULT_STYLE, validator=wx.DefaultValidator, name="wxtreelistmainwindow")

Default class constructor.

Parameters

  • parent – parent window. Must not be None;

  • id – window identifier. A value of -1 indicates a default value;

  • pos – the control position. A value of (-1, -1) indicates a default position, chosen by either the windowing system or wxPython, depending on platform;

  • size – the control size. A value of (-1, -1) indicates a default size, chosen by either the windowing system or wxPython, depending on platform;

  • style – the underlying ScrolledWindow style;

  • agwStyle – can be a combination of various bits. See hypertreelist for a full list of flags.

  • validator – window validator;

  • name – window name.


AddRoot(self, text, ct_type=0, wnd=None, image=-1, selImage=-1, data=None)

Adds a root item to the TreeListMainWindow.

Parameters

  • text – the item text label;

  • ct_type – the item type (see CustomTreeCtrl.SetItemType() for a list of valid item types);

  • wnd – if not None, a non-toplevel window to show next to the item;

  • image – an index within the normal image list specifying the image to use for the item in unselected state;

  • selImage – an index within the normal image list specifying the image to use for the item in selected state; if image > -1 and selImage is -1, the same image is used for both selected and unselected items;

  • data – associate the given Python object data with the item.

Warning

Only one root is allowed to exist in any given instance of TreeListMainWindow.


AdjustMyScrollbars(self)

Internal method used to adjust the ScrolledWindow scrollbars.


CalculateLevel(self, item, dc, level, y, x_colstart)

Calculates the level of an item inside the tree hierarchy.

Parameters

  • item – an instance of TreeListItem;

  • dc – an instance of wx.DC;

  • level – the item level in the tree hierarchy;

  • y – the current vertical position inside the ScrolledWindow;

  • x_colstart – the x coordinate at which the item’s column starts.


CalculatePositions(self)

Recalculates all the items positions.


CalculateSize(self, item, dc)

Calculates overall position and size of an item.

Parameters

ChildrenClosing(self, item)

We are about to destroy the item’s children.

Parameters

item – an instance of TreeListItem.


Delete(self, item)

Deletes an item.

Parameters

item – an instance of TreeListItem.


DeleteAllItems(self)

Delete all items in the TreeListMainWindow.


DeleteItemWindow(self, item, column=None)

Deletes the window in the column associated to an item (if any).

Parameters

  • item – an instance of GenericTreeItem.

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


DeleteRoot(self)

Removes the tree root item (and subsequently all the items in TreeListMainWindow.


DoInsertItem(self, parent, previous, text, ct_type=0, wnd=None, image=-1, selImage=-1, data=None, *ignored_args)

Actually inserts an item in the tree.

Parameters

  • parentId – an instance of TreeListItem representing the item’s parent;

  • previous – the index at which we should insert the item;

  • text – the item text label;

  • ct_type – the item type (see CustomTreeCtrl.SetItemType() for a list of valid item types);

  • wnd – if not None, a non-toplevel window to show next to the item;

  • image – an index within the normal image list specifying the image to use for the item in unselected state;

  • selImage – an index within the normal image list specifying the image to use for the item in selected state; if image > -1 and selImage is -1, the same image is used for both selected and unselected items;

  • data – associate the given Python object data with the item.

  • ignored_args – unused at the moment, this parameter is present to comply with CustomTreeCtrl.DoInsertItem() changed API.


EditLabel(self, item, column=None)

Starts editing an item label.

Parameters

  • item – an instance of TreeListItem;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


EnableItem(self, item, enable=True, torefresh=True)

Enables/disables an item.

Parameters

  • item – an instance of TreeListItem;

  • enable – True to enable the item, False otherwise;

  • torefresh – whether to redraw the item or not.


GetBestColumnWidth(self, column, parent=None)

Returns the best column’s width based on the items width in this column.

Parameters

  • column – an integer specifying the column index;

  • parent – an instance of TreeListItem.


GetColumnCount(self)

Returns the total number of columns.


GetCurrentItem(self)

Returns the current item.

This is the same as GetSelection.


GetFirstExpandedItem(self)

Returns the first item which is in the expanded state.


GetFirstVisibleItem(self)

Returns the first visible item.


GetItemBackgroundColour(self, item, column=0)

Returns the column background colour of the item

Parameters

item – an instance of TreeListItem

:param integer column


GetItemImage(self, item, column=None, which=wx.TreeItemIcon_Normal)

Returns the item image.

Parameters

  • item – an instance of TreeListItem;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used;

  • which – can be one of the following bits:

    Item State

    Description

    TreeItemIcon_Normal

    To get the normal item image

    TreeItemIcon_Selected

    To get the selected item image (i.e. the image which is shown when the item is currently selected)

    TreeItemIcon_Expanded

    To get the expanded image (this only makes sense for items which have children - then this image is shown when the item is expanded and the normal image is shown when it is collapsed)

    TreeItemIcon_SelectedExpanded

    To get the selected expanded image (which is shown when an expanded item is currently selected)


GetItemText(self, item, column=None)

Returns the item text label.

Parameters

  • item – an instance of TreeListItem;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


GetItemWidth(self, item, column)

Returns the item width.

Parameters

  • item – an instance of TreeListItem;

  • column – an integer specifying the column index.


GetItemWindow(self, item, column=None)

Returns the window associated with an item.

Parameters

  • item – an instance of TreeListItem;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


GetItemWindowEnabled(self, item, column=None)

Returns whether the window associated with an item is enabled or not.

Parameters

  • item – an instance of TreeListItem;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


GetMainColumn(self)

Returns the HyperTreeList main column (i.e. the position of the underlying CustomTreeCtrl.


GetNextExpanded(self, item)

Returns the next expanded item after the input one.

Parameters

item – an instance of TreeListItem.


GetPrevChild(self, item, cookie)

Returns the previous child of an item.

Parameters

  • item – an instance of TreeListItem;

  • cookie – a parameter which is opaque for the application but is necessary for the library to make these functions reentrant (i.e. allow more than one enumeration on one and the same object simultaneously).

Note

This method returns None if there are no further siblings.


GetPrevExpanded(self, item)

Returns the previous expanded item before the input one.

Parameters

item – an instance of TreeListItem.


GetPrevVisible(self, item)

Returns the previous visible item before the input one.

Parameters

item – an instance of TreeListItem.


HideItemWindows(self, item)

Hides all windows belonging to given item and its children.


HideWindows(self)

Scans all item windows in the tree and hides those whose items they belong to are not currently visible. Used internally.


HitTest(self, point, flags=0)

Calculates which (if any) item is under the given point, returning the tree item at this point plus extra information flags plus the item’s column.

Parameters

  • point – an instance of wx.Point, a point to test for hits;

  • flags – a bitlist of the following values:

    HitTest Flags

    Hex Value

    Description

    TREE_HITTEST_ABOVE

    0x1

    Above the client area

    TREE_HITTEST_BELOW

    0x2

    Below the client area

    TREE_HITTEST_NOWHERE

    0x4

    No item has been hit

    TREE_HITTEST_ONITEMBUTTON

    0x8

    On the button associated to an item

    TREE_HITTEST_ONITEMICON

    0x10

    On the icon associated to an item

    TREE_HITTEST_ONITEMINDENT

    0x20

    On the indent associated to an item

    TREE_HITTEST_ONITEMLABEL

    0x40

    On the label (string) associated to an item

    TREE_HITTEST_ONITEM

    0x50

    Anywhere on the item

    TREE_HITTEST_ONITEMRIGHT

    0x80

    On the right of the label associated to an item

    TREE_HITTEST_TOLEFT

    0x200

    On the left of the client area

    TREE_HITTEST_TORIGHT

    0x400

    On the right of the client area

    TREE_HITTEST_ONITEMUPPERPART

    0x800

    On the upper part (first half) of the item

    TREE_HITTEST_ONITEMLOWERPART

    0x1000

    On the lower part (second half) of the item

    TREE_HITTEST_ONITEMCHECKICON

    0x2000

    On the check/radio icon, if present

Returns

the item (if any, None otherwise), the flags and the column are always returned as a tuple.


IsItemEnabled(self, item)

Returns whether an item is enabled or disabled.

Parameters

item – an instance of TreeListItem.


IsItemVisible(self, item)

Returns whether the item is visible or not.

Parameters

item – an instance of TreeListItem;

Note

This method is renamed from IsVisible


IsVirtual(self)

Returns True if TreeListMainWindow has the TR_VIRTUAL flag set.


OnAcceptEdit(self, value)

Called by EditTextCtrl, to accept the changes and to send the EVT_TREE_END_LABEL_EDIT event.

Parameters

value – the new value of the item label.


OnCancelEdit(self)

Called by EditCtrl, to cancel the changes and to send the EVT_TREE_END_LABEL_EDIT event.


OnEditTimer(self)

The timer for editing has expired. Start editing.


OnEraseBackground(self, event)

Handles the wx.EVT_ERASE_BACKGROUND event for TreeListMainWindow.

Parameters

event – a EraseEvent event to be processed.


OnMouse(self, event)

Handles the wx.EVT_MOUSE_EVENTS event for TreeListMainWindow.

Parameters

event – a MouseEvent event to be processed.


OnPaint(self, event)

Handles the wx.EVT_PAINT event for TreeListMainWindow.

Parameters

event – a PaintEvent event to be processed.


OnScroll(self, event)

Handles the wx.EVT_SCROLLWIN event for TreeListMainWindow.

Parameters

event – a ScrollEvent event to be processed.


PaintItem(self, item, dc)

Actually draws an item.

Parameters

PaintLevel(self, item, dc, level, y, x_maincol)

Paint a level in the hierarchy of TreeListMainWindow.

Parameters

  • item – an instance of TreeListItem;

  • dc – an instance of wx.DC;

  • level – the item level in the tree hierarchy;

  • y – the current vertical position in the ScrolledWindow;

  • x_maincol – the horizontal position of the main column.


ScrollTo(self, item)

Scrolls the specified item into view.

Parameters

item – an instance of TreeListItem.


SetBuffered(self, buffered)

Sets/unsets the double buffering for the main window.

Parameters

buffered – True to use double-buffering, False otherwise.

Note

Currently we are using double-buffering only on Windows XP.


SetDragItem(self, item)

Sets the specified item as member of a current drag and drop operation.

Parameters

item – an instance of TreeListItem.


SetItemBackgroundColour(self, item, colour, column=0)

Sets the column background colour of the item

Parameters

:param integer column


SetItemImage(self, item, image, column=None, which=wx.TreeItemIcon_Normal)

Sets the item image for a particular item state.

Parameters

  • item – an instance of TreeListItem;

  • image – an index within the normal image list specifying the image to use;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used;

  • which – the item state.

See also

GetItemImage for a list of valid item states.


SetItemText(self, item, text, column=None)

Sets the item text label.

Parameters

  • item – an instance of TreeListItem;

  • text – a string specifying the new item label;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


SetItemWindow(self, item, window, column=None)

Sets the window associated to an item.

Parameters

  • item – an instance of TreeListItem;

  • wnd – a non-toplevel window to be displayed next to the item;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.

Note

The window being added should have its parent set to the TreeListMainWindow which can be obtained with GetHeaderWindow. If this is not the case the window will be re-parented which may cause some flicker.


SetItemWindowEnabled(self, item, enable=True, column=None)

Sets whether the window associated with an item is enabled or not.

Parameters

  • item – an instance of TreeListItem;

  • enable – True to enable the associated window, False to disable it;

  • column – if not None, an integer specifying the column index. If it is None, the main column index is used.


SetMainColumn(self, column)

Sets the HyperTreeList main column (i.e. the position of the underlying CustomTreeCtrl.

Parameters

column – if not None, an integer specifying the column index. If it is None, the main column index is used.