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https://github.com/mozilla/gecko-dev.git
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18d72537a9
180034 editor should respect the select_all style 183836 New list item should not reset inline styles 179384 Merging blocks via forward delete sends selection to front of document 98434 IME does not work correctly at the last characters in the text field (patch courtesy of Shotaro Kamio) r=jfrancis,brade,cmanske sr=kin
424 lines
13 KiB
C++
424 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsHTMLEditUtils.h"
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#include "nsTextEditUtils.h"
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#include "nsString.h"
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#include "nsUnicharUtils.h"
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#include "nsEditor.h"
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#include "nsIDOMNode.h"
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#include "nsIContent.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMHTMLAnchorElement.h"
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///////////////////////////////////////////////////////////////////////////
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//
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PRBool
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nsHTMLEditUtils::IsBig(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("big"));
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}
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///////////////////////////////////////////////////////////////////////////
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//
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PRBool
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nsHTMLEditUtils::IsSmall(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("small"));
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}
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/********************************************************
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* helper methods from nsHTMLEditRules
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********************************************************/
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///////////////////////////////////////////////////////////////////////////
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// IsHeader: true if node an html header
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//
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PRBool
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nsHTMLEditUtils::IsHeader(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsHeader");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if ( (tag.Equals(NS_LITERAL_STRING("h1"))) ||
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(tag.Equals(NS_LITERAL_STRING("h2"))) ||
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(tag.Equals(NS_LITERAL_STRING("h3"))) ||
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(tag.Equals(NS_LITERAL_STRING("h4"))) ||
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(tag.Equals(NS_LITERAL_STRING("h5"))) ||
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(tag.Equals(NS_LITERAL_STRING("h6"))) )
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsParagraph: true if node an html paragraph
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//
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PRBool
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nsHTMLEditUtils::IsParagraph(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("p"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsHR: true if node an horizontal rule
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//
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PRBool
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nsHTMLEditUtils::IsHR(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("hr"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsListItem: true if node an html list item
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//
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PRBool
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nsHTMLEditUtils::IsListItem(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsListItem");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if (tag.Equals(NS_LITERAL_STRING("li")) ||
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tag.Equals(NS_LITERAL_STRING("dd")) ||
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tag.Equals(NS_LITERAL_STRING("dt")))
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsTableElement: true if node an html table, td, tr, ...
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//
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PRBool
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nsHTMLEditUtils::IsTableElement(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null node passed to nsHTMLEditor::IsTableElement");
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nsAutoString tagName;
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nsEditor::GetTagString(node,tagName);
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if (tagName.Equals(NS_LITERAL_STRING("table")) || tagName.Equals(NS_LITERAL_STRING("tr")) ||
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tagName.Equals(NS_LITERAL_STRING("td")) || tagName.Equals(NS_LITERAL_STRING("th")) ||
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tagName.Equals(NS_LITERAL_STRING("thead")) || tagName.Equals(NS_LITERAL_STRING("tfoot")) ||
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tagName.Equals(NS_LITERAL_STRING("tbody")) || tagName.Equals(NS_LITERAL_STRING("caption")))
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsTable: true if node an html table
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//
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PRBool
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nsHTMLEditUtils::IsTable(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("table"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsTableRow: true if node an html tr
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//
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PRBool
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nsHTMLEditUtils::IsTableRow(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("tr"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsTableCell: true if node an html td or th
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//
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PRBool
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nsHTMLEditUtils::IsTableCell(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsTableCell");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if (tag.Equals(NS_LITERAL_STRING("td")) || tag.Equals(NS_LITERAL_STRING("th")))
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsTableCell: true if node an html td or th
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//
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PRBool
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nsHTMLEditUtils::IsTableCellOrCaption(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsTableCell");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if (tag.Equals(NS_LITERAL_STRING("td")) ||
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tag.Equals(NS_LITERAL_STRING("th")) ||
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tag.Equals(NS_LITERAL_STRING("caption")) )
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsList: true if node an html list
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//
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PRBool
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nsHTMLEditUtils::IsList(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsList");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if ( (tag.Equals(NS_LITERAL_STRING("dl"))) ||
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(tag.Equals(NS_LITERAL_STRING("ol"))) ||
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(tag.Equals(NS_LITERAL_STRING("ul"))) )
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsOrderedList: true if node an html ordered list
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//
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PRBool
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nsHTMLEditUtils::IsOrderedList(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("ol"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsUnorderedList: true if node an html unordered list
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//
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PRBool
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nsHTMLEditUtils::IsUnorderedList(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("ul"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsBlockquote: true if node an html blockquote node
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//
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PRBool
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nsHTMLEditUtils::IsBlockquote(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("blockquote"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsPre: true if node an html pre node
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//
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PRBool
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nsHTMLEditUtils::IsPre(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("pre"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsAddress: true if node an html address node
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//
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PRBool
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nsHTMLEditUtils::IsAddress(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("address"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsImage: true if node an html image node
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//
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PRBool
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nsHTMLEditUtils::IsImage(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("img"));
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}
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PRBool
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nsHTMLEditUtils::IsLink(nsIDOMNode *aNode)
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{
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if (!aNode) return PR_FALSE;
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nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(aNode);
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if (anchor)
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{
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nsAutoString tmpText;
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if (NS_SUCCEEDED(anchor->GetHref(tmpText)) && tmpText.get() && tmpText.Length() != 0)
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool
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nsHTMLEditUtils::IsNamedAnchor(nsIDOMNode *aNode)
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{
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if (!aNode) return PR_FALSE;
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nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(aNode);
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if (anchor)
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{
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nsAutoString tmpText;
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if (NS_SUCCEEDED(anchor->GetName(tmpText)) && tmpText.get() && tmpText.Length() != 0)
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsDiv: true if node an html div node
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//
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PRBool
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nsHTMLEditUtils::IsDiv(nsIDOMNode *node)
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{
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return nsTextEditUtils::NodeIsType(node, NS_LITERAL_STRING("div"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsMozDiv: true if node an html div node with type = _moz
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//
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PRBool
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nsHTMLEditUtils::IsMozDiv(nsIDOMNode *node)
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{
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if (IsDiv(node) && nsTextEditUtils::HasMozAttr(node)) return PR_TRUE;
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsMailCite: true if node an html blockquote with type=cite
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//
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PRBool
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nsHTMLEditUtils::IsMailCite(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsMailCite");
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nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(node);
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if (!elem) return PR_FALSE;
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nsAutoString attrName (NS_LITERAL_STRING("type"));
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// don't ask me why, but our html mailcites are id'd by "type=cite"...
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nsAutoString attrVal;
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nsresult res = elem->GetAttribute(attrName, attrVal);
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ToLowerCase(attrVal);
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if (NS_SUCCEEDED(res))
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{
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if (attrVal.Equals(NS_LITERAL_STRING("cite")))
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return PR_TRUE;
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}
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// ... but our plaintext mailcites by "_moz_quote=true". go figure.
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attrName.Assign(NS_LITERAL_STRING("_moz_quote"));
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res = elem->GetAttribute(attrName, attrVal);
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if (NS_SUCCEEDED(res))
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{
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ToLowerCase(attrVal);
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if (attrVal.Equals(NS_LITERAL_STRING("true")))
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// IsFormWidget: true if node is a form widget of some kind
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//
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PRBool
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nsHTMLEditUtils::IsFormWidget(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null node passed to nsHTMLEditUtils::IsFormWidget");
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nsAutoString tag;
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nsEditor::GetTagString(node,tag);
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ToLowerCase(tag);
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if (tag.Equals(NS_LITERAL_STRING("textarea")) ||
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tag.Equals(NS_LITERAL_STRING("select")) ||
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tag.Equals(NS_LITERAL_STRING("button")) ||
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tag.Equals(NS_LITERAL_STRING("input")) )
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{
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool
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nsHTMLEditUtils::SupportsAlignAttr(nsIDOMNode * aNode)
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{
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NS_PRECONDITION(aNode, "null node passed to nsHTMLEditUtils::SupportsAlignAttr");
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nsAutoString tag;
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nsEditor::GetTagString(aNode, tag);
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ToLowerCase(tag);
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if (tag.Equals(NS_LITERAL_STRING("hr")) ||
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tag.Equals(NS_LITERAL_STRING("table")) ||
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tag.Equals(NS_LITERAL_STRING("tbody")) ||
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tag.Equals(NS_LITERAL_STRING("tfoot")) ||
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tag.Equals(NS_LITERAL_STRING("thead")) ||
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tag.Equals(NS_LITERAL_STRING("tr")) ||
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tag.Equals(NS_LITERAL_STRING("td")) ||
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tag.Equals(NS_LITERAL_STRING("th")) ||
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tag.Equals(NS_LITERAL_STRING("div")) ||
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tag.Equals(NS_LITERAL_STRING("p")) ||
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tag.Equals(NS_LITERAL_STRING("h1")) ||
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tag.Equals(NS_LITERAL_STRING("h2")) ||
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tag.Equals(NS_LITERAL_STRING("h3")) ||
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tag.Equals(NS_LITERAL_STRING("h4")) ||
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tag.Equals(NS_LITERAL_STRING("h5")) ||
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tag.Equals(NS_LITERAL_STRING("h6"))) {
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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