зеркало из https://github.com/mozilla/pjs.git
382 строки
14 KiB
C++
382 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL")=0; you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
|
|
#ifndef nsIHTMLEditor_h__
|
|
#define nsIHTMLEditor_h__
|
|
|
|
|
|
#define NS_IHTMLEDITOR_IID \
|
|
{ /* 4805e683-49b9-11d3-9ce4-ed60bd6cb5bc} */ \
|
|
0x4805e683, 0x49b9, 0x11d3, \
|
|
{ 0x9c, 0xe4, 0xed, 0x60, 0xbd, 0x6c, 0xb5, 0xbc } }
|
|
|
|
|
|
class nsString;
|
|
class nsStringArray;
|
|
|
|
class nsIAtom;
|
|
class nsIDOMNode;
|
|
class nsIDOMElement;
|
|
class nsIDOMUIEvent;
|
|
|
|
|
|
class nsIHTMLEditor : public nsISupports
|
|
{
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IHTMLEDITOR_IID; return iid; }
|
|
|
|
|
|
// the bits in an editor behavior mask.
|
|
enum {
|
|
eEditorPlaintextBit = 0, // only plain text entry is allowed via events
|
|
eEditorSingleLineBit, // enter key and CR-LF handled specially
|
|
eEditorPasswordBit, // text is not entered into content, only a representative character
|
|
eEditorReadonlyBit, // editing events are disabled. Editor may still accept focus.
|
|
eEditorDisabledBit, // all events are disabled (like scrolling). Editor will not accept focus.
|
|
eEditorFilterInputBit, // text input is limited to certain character types, use mFilter
|
|
eEditorMailBit // use mail-compose editting rules
|
|
|
|
// max 32 bits
|
|
};
|
|
|
|
enum {
|
|
eEditorPlaintextMask = (1 << eEditorPlaintextBit),
|
|
eEditorSingleLineMask = (1 << eEditorSingleLineBit),
|
|
eEditorPasswordMask = (1 << eEditorPasswordBit),
|
|
eEditorReadonlyMask = (1 << eEditorReadonlyBit),
|
|
eEditorDisabledMask = (1 << eEditorDisabledBit),
|
|
eEditorFilterInputMask = (1 << eEditorFilterInputBit),
|
|
eEditorMailMask = (1 << eEditorMailBit)
|
|
};
|
|
|
|
// below used by TypedText()
|
|
enum {
|
|
eTypedText, // user typed text
|
|
eTypedBR, // user typed shift-enter to get a br
|
|
eTypedBreak // user typed enter
|
|
};
|
|
|
|
/* ------------ Document info methods -------------- */
|
|
|
|
/** get the length of the document in characters */
|
|
NS_IMETHOD GetDocumentLength(PRInt32 *aCount)=0;
|
|
|
|
NS_IMETHOD SetMaxTextLength(PRInt32 aMaxTextLength)=0;
|
|
NS_IMETHOD GetMaxTextLength(PRInt32& aMaxTextLength)=0;
|
|
|
|
/* ------------ Inline property methods -------------- */
|
|
|
|
|
|
/**
|
|
* SetInlineProperty() sets the aggregate properties on the current selection
|
|
*
|
|
* @param aProperty the property to set on the selection
|
|
* @param aAttribute the attribute of the property, if applicable. May be null.
|
|
* Example: aProperty="font", aAttribute="color"
|
|
* @param aValue if aAttribute is not null, the value of the attribute. May be null.
|
|
* Example: aProperty="font", aAttribute="color", aValue="0x00FFFF"
|
|
*/
|
|
NS_IMETHOD SetInlineProperty(nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue)=0;
|
|
|
|
/**
|
|
* GetInlineProperty() gets the aggregate properties of the current selection.
|
|
* All object in the current selection are scanned and their attributes are
|
|
* represented in a list of Property object.
|
|
*
|
|
* @param aProperty the property to get on the selection
|
|
* @param aAttribute the attribute of the property, if applicable. May be null.
|
|
* Example: aProperty="font", aAttribute="color"
|
|
* @param aValue if aAttribute is not null, the value of the attribute. May be null.
|
|
* Example: aProperty="font", aAttribute="color", aValue="0x00FFFF"
|
|
* @param aFirst [OUT] PR_TRUE if the first text node in the selection has the property
|
|
* @param aAny [OUT] PR_TRUE if any of the text nodes in the selection have the property
|
|
* @param aAll [OUT] PR_TRUE if all of the text nodes in the selection have the property
|
|
*/
|
|
NS_IMETHOD GetInlineProperty(nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue,
|
|
PRBool &aFirst, PRBool &aAny, PRBool &aAll)=0;
|
|
|
|
/**
|
|
* RemoveInlineProperty() deletes the properties from all text in the current selection.
|
|
* If aProperty is not set on the selection, nothing is done.
|
|
*
|
|
* @param aProperty the property to reomve from the selection
|
|
* @param aAttribute the attribute of the property, if applicable. May be null.
|
|
* Example: aProperty="font", aAttribute="color"
|
|
* nsIEditProperty::allAttributes is special. It indicates that
|
|
* all content-based text properties are to be removed from the selection.
|
|
*/
|
|
NS_IMETHOD RemoveInlineProperty(nsIAtom *aProperty, const nsString *aAttribute)=0;
|
|
|
|
|
|
/**
|
|
* GetTypingState() gets the state for typing (which may differ from that of
|
|
* the current selection).
|
|
*
|
|
* @param aProperty the property to get state for
|
|
* @param aFirst [OUT] PR_TRUE if the state is set on the current type-in state
|
|
*/
|
|
NS_IMETHOD GetTypingState(nsIAtom *aProperty, PRBool &aSet)=0;
|
|
|
|
/**
|
|
* GetTypingStateValue() gets the state for typing (which may differ from that of
|
|
* the current selection).
|
|
*
|
|
* @param aValue the property to get state for
|
|
* @param aFirst [OUT] the value of the current state
|
|
*/
|
|
NS_IMETHOD GetTypingStateValue(nsIAtom *aProperty, nsString &aValue)=0;
|
|
|
|
/* ------------ HTML content methods -------------- */
|
|
|
|
/**
|
|
* EditorKeyPress consumes a keyevent.
|
|
* @param aKeyEvent key event to consume
|
|
*/
|
|
NS_IMETHOD EditorKeyPress(nsIDOMUIEvent* aKeyEvent)=0;
|
|
|
|
/**
|
|
* TypedText responds to user typing. Provides a logging bottleneck for typing.
|
|
* @param aString string to type
|
|
* @param aAction action to take: insert text, insert BR, insert break
|
|
*/
|
|
NS_IMETHOD TypedText(const nsString& aString, PRInt32 aAction)=0;
|
|
|
|
/**
|
|
* Insert a break into the content model.<br>
|
|
* The interpretation of a break is up to the rule system:
|
|
* it may enter a character, split a node in the tree, etc.
|
|
*/
|
|
NS_IMETHOD InsertBreak()=0;
|
|
|
|
/**
|
|
* InsertText() Inserts a string at the current location, given by the selection.
|
|
* If the selection is not collapsed, the selection is deleted and the insertion
|
|
* takes place at the resulting collapsed selection.
|
|
*
|
|
* NOTE: what happens if the string contains a CR?
|
|
*
|
|
* @param aString the string to be inserted
|
|
*/
|
|
NS_IMETHOD InsertText(const nsString& aStringToInsert)=0;
|
|
|
|
/**
|
|
* document me!
|
|
*/
|
|
NS_IMETHOD InsertHTML(const nsString &aInputString)=0;
|
|
|
|
|
|
/** Insert an element, which may have child nodes, at the selection
|
|
* Used primarily to insert a new element for various insert element dialogs,
|
|
* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
|
|
* be useful for other elements.
|
|
*
|
|
* @param aElement The element to insert
|
|
* @param aDeleteSelection Delete the selection before inserting
|
|
* If aDeleteSelection is PR_FALSE, then the element is inserted
|
|
* after the end of the selection for all element except
|
|
* Named Anchors, which insert before the selection
|
|
*/
|
|
NS_IMETHOD InsertElement(nsIDOMElement* aElement, PRBool aDeleteSelection)=0;
|
|
|
|
|
|
|
|
/**
|
|
* DeleteSelectionAndCreateNode combines DeleteSelection and CreateNode
|
|
* It deletes only if there is something selected (doesn't do DEL, BACKSPACE action)
|
|
* @param aTag The type of object to create
|
|
* @param aNewNode [OUT] The node created. Caller must release aNewNode.
|
|
*/
|
|
NS_IMETHOD DeleteSelectionAndCreateNode(const nsString& aTag, nsIDOMNode ** aNewNode)=0;
|
|
|
|
/* ------------ Selection manipulation -------------- */
|
|
/* Should these be moved to nsIDOMSelection? */
|
|
|
|
/** Set the selection at the suppled element
|
|
*
|
|
* @param aElement An element in the document
|
|
*/
|
|
NS_IMETHOD SelectElement(nsIDOMElement* aElement)=0;
|
|
|
|
/** Create a collapsed selection just after aElement
|
|
*
|
|
* XXX could we parameterize SelectElement(before/select/after>?
|
|
*
|
|
* The selection is set to parent-of-aElement with an
|
|
* offset 1 greater than aElement's offset
|
|
* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
|
|
* be useful for other elements.
|
|
*
|
|
* @param aElement An element in the document
|
|
*/
|
|
NS_IMETHOD SetCaretAfterElement(nsIDOMElement* aElement)=0;
|
|
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD SetParagraphFormat(const nsString& aParagraphFormat)=0;
|
|
|
|
/**
|
|
* Get a list of tagnames of all paragraph tags
|
|
* (the closest block parent tags) of all
|
|
* elements in the current selection
|
|
*
|
|
*/
|
|
NS_IMETHOD GetParagraphTags(nsStringArray *aTagList)=0;
|
|
|
|
/**
|
|
* Get a list of tagnames of all list tags
|
|
* (the closest parent tags that are UL, OL, or DL) of all
|
|
* elements in the current selection
|
|
*/
|
|
NS_IMETHOD GetListTags(nsStringArray *aTagList)=0;
|
|
|
|
/** Add a block parent node around the selected content.
|
|
* Only legal nestings are allowed.
|
|
* An example of use is for indenting using blockquote nodes.
|
|
*
|
|
* @param aParentTag The tag from which the new parent is created.
|
|
*/
|
|
NS_IMETHOD AddBlockParent(nsString& aParentTag)=0;
|
|
|
|
/** Replace the block parent node around the selected content with a new block
|
|
* parent node of type aParentTag.
|
|
* Only legal replacements are allowed.
|
|
* An example of use are is transforming H1 to LI ("paragraph type transformations").
|
|
* For containing block transformations (transforming UL to OL, for example),
|
|
* the caller should RemoveParent("UL"), set the selection appropriately,
|
|
* and call AddBlockParent("OL").
|
|
*
|
|
* @param aParentTag The tag from which the new parent is created.
|
|
*/
|
|
NS_IMETHOD ReplaceBlockParent(nsString& aParentTag)=0;
|
|
|
|
/** remove the paragraph style from the selection */
|
|
NS_IMETHOD RemoveParagraphStyle()=0;
|
|
|
|
/** remove block parent of type aTagToRemove from the selection.
|
|
* if aTagToRemove is null, the nearest enclosing block that
|
|
* is <B>not</B> a root is removed.
|
|
*/
|
|
NS_IMETHOD RemoveParent(const nsString &aParentTag)=0;
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD InsertList(const nsString& aListType)=0;
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD RemoveList(const nsString& aListType)=0;
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD Indent(const nsString& aIndent)=0;
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD Align(const nsString& aAlign)=0;
|
|
|
|
/** Return the input node or a parent matching the given aTagName,
|
|
* starting the search at the supplied node.
|
|
* An example of use is for testing if a node is in a table cell
|
|
* given a selection anchor node.
|
|
*
|
|
* @param aTagName The HTML tagname
|
|
* Special input values:
|
|
* Use "href" to get a link node
|
|
* (an "A" tag with the "href" attribute set)
|
|
* Use "anchor" or "namedanchor" to get a named anchor node
|
|
* (an "A" tag with the "name" attribute set)
|
|
* Use "list" to get an OL, UL, or DL list node
|
|
* Use "td" to get either a TD or TH cell node
|
|
*
|
|
* @param aNode The node in the document to start the search
|
|
* If it is null, the anchor node of the current selection is used
|
|
*/
|
|
NS_IMETHOD GetElementOrParentByTagName(const nsString& aTagName, nsIDOMNode *aNode, nsIDOMElement** aReturn)=0;
|
|
|
|
/** Return an element only if it is the only node selected,
|
|
* such as an image, horizontal rule, etc.
|
|
* The exception is a link, which is more like a text attribute:
|
|
* The Anchor tag is returned if the selection is within the textnode(s)
|
|
* that are children of the "A" node.
|
|
* This could be a collapsed selection, i.e., a caret within the link text.
|
|
*
|
|
* @param aTagName The HTML tagname or and empty string
|
|
* to get any element (but only if it is the only element selected)
|
|
* Special input values for Links and Named anchors:
|
|
* Use "href" to get a link node
|
|
* (an "A" tag with the "href" attribute set)
|
|
* Use "anchor" or "namedanchor" to get a named anchor node
|
|
* (an "A" tag with the "name" attribute set)
|
|
*/
|
|
NS_IMETHOD GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn)=0;
|
|
|
|
/** Return a new element with default attribute values
|
|
*
|
|
* This does not rely on the selection, and is not sensitive to context.
|
|
*
|
|
* Used primarily to supply new element for various insert element dialogs
|
|
* (Image, Link, NamedAnchor, Table, and HorizontalRule
|
|
* are the only returned elements as of 7/25/99)
|
|
*
|
|
* @param aTagName The HTML tagname
|
|
* Special input values for Links and Named anchors:
|
|
* Use "href" to get a link node
|
|
* (an "A" tag with the "href" attribute set)
|
|
* Use "anchor" or "namedanchor" to get a named anchor node
|
|
* (an "A" tag with the "name" attribute set)
|
|
*/
|
|
NS_IMETHOD CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn)=0;
|
|
|
|
/** Insert an link element as the parent of the current selection
|
|
*
|
|
* @param aElement An "A" element with a non-empty "href" attribute
|
|
*/
|
|
NS_IMETHOD InsertLinkAroundSelection(nsIDOMElement* aAnchorElement)=0;
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD SetBackgroundColor(const nsString& aColor)=0;
|
|
|
|
|
|
/**
|
|
* Document me!
|
|
*
|
|
*/
|
|
NS_IMETHOD SetBodyAttribute(const nsString& aAttr, const nsString& aValue)=0;
|
|
};
|
|
|
|
#endif // nsIHTMLEditor_h__
|