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cec0c5cbdb
performAction, performActionOnRow and performActionOnCell are methods of the nsITreeView interface that are never called. This is to remove these methods. A comm-central patch will be along shortly. Differential Revision: https://phabricator.services.mozilla.com/D39273
188 lines
5.6 KiB
Plaintext
188 lines
5.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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interface nsITreeSelection;
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[NoInterfaceObject]
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interface TreeView
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{
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/**
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* The total number of rows in the tree (including the offscreen rows).
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*/
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readonly attribute long rowCount;
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/**
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* The selection for this view.
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*/
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[SetterThrows]
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attribute nsITreeSelection? selection;
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/**
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* A whitespace delimited list of properties. For each property X the view
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* gives back will cause the pseudoclasses ::-moz-tree-cell(x),
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* ::-moz-tree-row(x), ::-moz-tree-twisty(x), ::-moz-tree-image(x),
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* ::-moz-tree-cell-text(x). to be matched on the pseudoelement
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* ::moz-tree-row.
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*/
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[Throws]
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DOMString getRowProperties(long row);
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/**
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* A whitespace delimited list of properties for a given cell. Each
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* property, x, that the view gives back will cause the pseudoclasses
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* ::-moz-tree-cell(x), ::-moz-tree-row(x), ::-moz-tree-twisty(x),
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* ::-moz-tree-image(x), ::-moz-tree-cell-text(x). to be matched on the
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* cell.
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*/
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[Throws]
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DOMString getCellProperties(long row, TreeColumn column);
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/**
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* Called to get properties to paint a column background. For shading the sort
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* column, etc.
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*/
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DOMString getColumnProperties(TreeColumn column);
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/**
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* Methods that can be used to test whether or not a twisty should be drawn,
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* and if so, whether an open or closed twisty should be used.
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*/
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[Throws]
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boolean isContainer(long row);
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[Throws]
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boolean isContainerOpen(long row);
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[Throws]
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boolean isContainerEmpty(long row);
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/**
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* isSeparator is used to determine if the row is a separator.
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* A value of true will result in the tree drawing a horizontal separator.
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* The tree uses the ::moz-tree-separator pseudoclass to draw the separator.
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*/
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[Throws]
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boolean isSeparator(long row);
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/**
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* Specifies if there is currently a sort on any column. Used mostly by dragdrop
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* to affect drop feedback.
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*/
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boolean isSorted();
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const short DROP_BEFORE = -1;
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const short DROP_ON = 0;
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const short DROP_AFTER = 1;
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/**
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* Methods used by the drag feedback code to determine if a drag is allowable at
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* the current location. To get the behavior where drops are only allowed on
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* items, such as the mailNews folder pane, always return false when
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* the orientation is not DROP_ON.
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*/
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[Throws]
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boolean canDrop(long row, long orientation, DataTransfer? dataTransfer);
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/**
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* Called when the user drops something on this view. The |orientation| param
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* specifies before/on/after the given |row|.
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*/
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[Throws]
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void drop(long row, long orientation, DataTransfer? dataTransfer);
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/**
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* Methods used by the tree to draw thread lines in the tree.
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* getParentIndex is used to obtain the index of a parent row.
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* If there is no parent row, getParentIndex returns -1.
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*/
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[Throws]
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long getParentIndex(long row);
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/**
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* hasNextSibling is used to determine if the row at rowIndex has a nextSibling
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* that occurs *after* the index specified by afterIndex. Code that is forced
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* to march down the view looking at levels can optimize the march by starting
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* at afterIndex+1.
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*/
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[Throws]
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boolean hasNextSibling(long row, long afterIndex);
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/**
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* The level is an integer value that represents
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* the level of indentation. It is multiplied by the width specified in the
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* :moz-tree-indentation pseudoelement to compute the exact indendation.
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*/
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[Throws]
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long getLevel(long row);
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/**
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* The image path for a given cell. For defining an icon for a cell.
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* If the empty string is returned, the :moz-tree-image pseudoelement
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* will be used.
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*/
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[Throws]
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DOMString getImageSrc(long row, TreeColumn column);
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/**
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* The value for a given cell. This method is only called for columns
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* of type other than |text|.
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*/
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[Throws]
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DOMString getCellValue(long row, TreeColumn column);
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/**
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* The text for a given cell. If a column consists only of an image, then
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* the empty string is returned.
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*/
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[Throws]
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DOMString getCellText(long row, TreeColumn column);
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/**
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* Called during initialization to link the view to the front end box object.
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*/
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[Throws]
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void setTree(XULTreeElement? tree);
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/**
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* Called on the view when an item is opened or closed.
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*/
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[Throws]
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void toggleOpenState(long row);
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/**
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* Called on the view when a header is clicked.
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*/
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[Throws]
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void cycleHeader(TreeColumn column);
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/**
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* Should be called from a XUL onselect handler whenever the selection changes.
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*/
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void selectionChanged();
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/**
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* Called on the view when a cell in a non-selectable cycling column (e.g., unread/flag/etc.) is clicked.
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*/
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void cycleCell(long row, TreeColumn column);
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/**
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* isEditable is called to ask the view if the cell contents are editable.
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* A value of true will result in the tree popping up a text field when
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* the user tries to inline edit the cell.
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*/
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[Throws]
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boolean isEditable(long row, TreeColumn column);
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/**
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* setCellValue is called when the value of the cell has been set by the user.
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* This method is only called for columns of type other than |text|.
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*/
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[Throws]
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void setCellValue(long row, TreeColumn column, DOMString value);
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/**
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* setCellText is called when the contents of the cell have been edited by the user.
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*/
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[Throws]
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void setCellText(long row, TreeColumn column, DOMString value);
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};
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