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added AttributeManager, ChangesetUtils

pull/607/head
Matthias Bartelmeß 2012-04-05 00:50:04 +02:00
parent 6c647baa02
commit 23cda77b65
4 changed files with 220 additions and 123 deletions
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2
src/node/utils/tar.json
View File

@ -56,6 +56,7 @@
, "rjquery.js"
, "AttributePool.js"
, "Changeset.js"
, "ChangesetUtils.js"
, "security.js"
, "skiplist.js"
, "virtual_lines.js"
@ -66,6 +67,7 @@
, "changesettracker.js"
, "linestylefilter.js"
, "domline.js"
, "AttributeManager.js"
, "ace2_inner.js"
]
}

109
src/static/js/AttributeManager.js Normal file
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@ -0,0 +1,109 @@
var Changeset = require('./Changeset');
var ChangesetUtils = require('./ChangesetUtils');
var _ = require('./underscore');
var AttributeManager = function(rep, applyChangesetCallback)
{
this.rep = rep;
this.applyChangesetCallback = applyChangesetCallback;
this.author = '';
};
AttributeManager.prototype = _(AttributeManager.prototype).extend({
applyChangeset: function(changeset){
var cs = changeset.toString();
if (!Changeset.isIdentity(cs))
{
this.applyChangesetCallback(cs);
}
},
lineHasMarker: function(lineNum){
// get "list" attribute of first char of line
return this.getAttributeOnLine(lineNum, 'list');
},
getAttributeOnLine: function(lineNum, attributeName){
// get `attributeName` attribute of first char of line
var aline = this.rep.alines[lineNum];
if (aline)
{
var opIter = Changeset.opIterator(aline);
if (opIter.hasNext())
{
return Changeset.opAttributeValue(opIter.next(), attributeName, this.rep.apool) || '';
}
}
return '';
},
/*
Sets a specified attribute on a line
@param lineNum: the number of the line to set the attribute for
@param attributeKey: the name of the attribute to set, e.g. list
@param attributeValue: an optional parameter to pass to the attribute (e.g. indention level)
*/
setAttributeOnLine: function(lineNum, attributeName, attributeValue){
var loc = [0,0];
var builder = Changeset.builder(this.rep.lines.totalWidth());
var hasMarker = this.lineHasMarker(lineNum);
ChangesetUtils.buildKeepRange(this.rep, builder, loc, (loc = [lineNum, 0]));
if(hasMarker){
ChangesetUtils.buildKeepRange(this.rep, builder, loc, (loc = [lineNum, 1]), [
[attributeName, attributeValue]
], this.rep.apool);
}else{
// add a line marker
builder.insert('*', [
['author', this.author],
['insertorder', 'first'],
[attributeName, attributeValue]
], this.rep.apool);
}
return this.applyChangeset(builder);
},
/*
Removes a specified attribute on a line
@param lineNum: the number of the affected line
@param attributeKey: the name of the attribute to remove, e.g. list
*/
removeAttributeOnLine: function(lineNum, attributeName, attributeValue){
var loc = [0,0];
var builder = Changeset.builder(this.rep.lines.totalWidth());
var hasMarker = this.lineHasMarker(lineNum);
// TODO
if(hasMarker){
ChangesetUtils.buildKeepRange(this.rep, builder, loc, (loc = [lineNum, 0]), [
[attributeName, attributeValue]
], this.rep.apool);
ChangesetUtils.buildRemoveRange(this.rep, builder, loc, (loc = [lineNum, 1]));
}
return this.applyChangeset(builder);
},
/*
Sets a specified attribute on a line
@param lineNum: the number of the line to set the attribute for
@param attributeKey: the name of the attribute to set, e.g. list
@param attributeValue: an optional parameter to pass to the attribute (e.g. indention level)
*/
toggleAttributeOnLine: function(lineNum, attributeName, attributeValue) {
return this.getAttributeOnLine(attributeName) ?
this.removeAttributeOnLine(lineNum, attributeName) :
this.setAttributeOnLine(lineNum, attributeName, attributeValue);
}
});
module.exports = AttributeManager;

60
src/static/js/ChangesetUtils.js Normal file
View File

@ -0,0 +1,60 @@
/**
* This module contains several helper Functions to build Changesets
* based on a SkipList
*/
/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
exports.buildRemoveRange = function(rep, builder, start, end)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
var endLineOffset = rep.lines.offsetOfIndex(end[0]);
if (end[0] > start[0])
{
builder.remove(endLineOffset - startLineOffset - start[1], end[0] - start[0]);
builder.remove(end[1]);
}
else
{
builder.remove(end[1] - start[1]);
}
}
exports.buildKeepRange = function(rep, builder, start, end, attribs, pool)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
var endLineOffset = rep.lines.offsetOfIndex(end[0]);
if (end[0] > start[0])
{
builder.keep(endLineOffset - startLineOffset - start[1], end[0] - start[0], attribs, pool);
builder.keep(end[1], 0, attribs, pool);
}
else
{
builder.keep(end[1] - start[1], 0, attribs, pool);
}
}
exports.buildKeepToStartOfRange = function(rep, builder, start)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
builder.keep(startLineOffset, start[0]);
builder.keep(start[1]);
}

172
src/static/js/ace2_inner.js
View File

@ -45,10 +45,12 @@ function Ace2Inner(){
var domline = require('./domline').domline;
var AttribPool = require('./AttributePool');
var Changeset = require('./Changeset');
var ChangesetUtils = require('./ChangesetUtils');
var linestylefilter = require('./linestylefilter').linestylefilter;
var SkipList = require('./skiplist');
var undoModule = require('./undomodule').undoModule;
var makeVirtualLineView = require('./virtual_lines').makeVirtualLineView;
var AttributeManager = require('./AttributeManager');
var DEBUG = false; //$$ build script replaces the string "var DEBUG=true;//$$" with "var DEBUG=false;"
// changed to false
@ -97,6 +99,7 @@ function Ace2Inner(){
alines: [],
apool: new AttribPool()
};
// lines, alltext, alines, and DOM are set up in setup()
if (undoModule.enabled)
{
@ -116,6 +119,7 @@ function Ace2Inner(){
iframePadRight = 0;
var console = (DEBUG && window.console);
var documentAttributeManager;
if (!window.console)
{
@ -152,6 +156,7 @@ function Ace2Inner(){
var textFace = 'monospace';
var textSize = 12;
function textLineHeight()
{
@ -926,7 +931,10 @@ function Ace2Inner(){
},
grayedout: setClassPresenceNamed(outerWin.document.body, "grayedout"),
dmesg: function(){ dmesg = window.dmesg = value; },
userauthor: function(value){ thisAuthor = String(value); },
userauthor: function(value){
thisAuthor = String(value);
documentAttributeManager.author = thisAuthor;
},
styled: setStyled,
textface: setTextFace,
textsize: setTextSize,
@ -2249,8 +2257,8 @@ function Ace2Inner(){
// CCCC\n
// end[0]: <CCC end[1] CCC>-------\n
var builder = Changeset.builder(rep.lines.totalWidth());
buildKeepToStartOfRange(builder, start);
buildRemoveRange(builder, start, end);
ChangesetUtils.buildKeepToStartOfRange(rep, builder, start);
ChangesetUtils.buildRemoveRange(rep, builder, start, end);
builder.insert(newText, [
['author', thisAuthor]
], rep.apool);
@ -2272,53 +2280,16 @@ function Ace2Inner(){
function performDocumentApplyAttributesToRange(start, end, attribs)
{
var builder = Changeset.builder(rep.lines.totalWidth());
buildKeepToStartOfRange(builder, start);
buildKeepRange(builder, start, end, attribs, rep.apool);
ChangesetUtils.buildKeepToStartOfRange(rep, builder, start);
ChangesetUtils.buildKeepRange(rep, builder, start, end, attribs, rep.apool);
var cs = builder.toString();
performDocumentApplyChangeset(cs);
}
editorInfo.ace_performDocumentApplyAttributesToRange = performDocumentApplyAttributesToRange;
function buildKeepToStartOfRange(builder, start)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
builder.keep(startLineOffset, start[0]);
builder.keep(start[1]);
}
function buildRemoveRange(builder, start, end)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
var endLineOffset = rep.lines.offsetOfIndex(end[0]);
if (end[0] > start[0])
{
builder.remove(endLineOffset - startLineOffset - start[1], end[0] - start[0]);
builder.remove(end[1]);
}
else
{
builder.remove(end[1] - start[1]);
}
}
function buildKeepRange(builder, start, end, attribs, pool)
{
var startLineOffset = rep.lines.offsetOfIndex(start[0]);
var endLineOffset = rep.lines.offsetOfIndex(end[0]);
if (end[0] > start[0])
{
builder.keep(endLineOffset - startLineOffset - start[1], end[0] - start[0], attribs, pool);
builder.keep(end[1], 0, attribs, pool);
}
else
{
builder.keep(end[1] - start[1], 0, attribs, pool);
}
}
// TODO move to AttributeManager
function setAttributeOnSelection(attributeName, attributeValue)
{
if (!(rep.selStart && rep.selEnd)) return;
@ -3276,6 +3247,7 @@ function Ace2Inner(){
{
return;
}
var lineNum = rep.selStart[0];
var listType = getLineListType(lineNum);
@ -3347,11 +3319,9 @@ function Ace2Inner(){
}
}
if (mods.length > 0)
{
setLineListTypes(mods);
}
_.each(mods, function(mod){
setLineListType.apply(this, mod);
});
return true;
}
editorInfo.ace_doIndentOutdent = doIndentOutdent;
@ -4865,27 +4835,31 @@ function Ace2Inner(){
}
}
}
var listAttributeName = 'list';
function getLineListType(lineNum)
{
// get "list" attribute of first char of line
var aline = rep.alines[lineNum];
if (aline)
{
var opIter = Changeset.opIterator(aline);
if (opIter.hasNext())
{
return Changeset.opAttributeValue(opIter.next(), 'list', rep.apool) || '';
}
}
return '';
return documentAttributeManager.getAttributeOnLine(lineNum, listAttributeName)
}
function setLineListType(lineNum, listType)
{
setLineListTypes([
[lineNum, listType]
]);
debugger;
if(listType == ''){
documentAttributeManager.removeAttributeOnLine(lineNum, listAttributeName);
}else{
documentAttributeManager.setAttributeOnLine(lineNum, listAttributeName, listType);
}
//if the list has been removed, it is necessary to renumber
//starting from the *next* line because the list may have been
//separated. If it returns null, it means that the list was not cut, try
//from the current one.
if(renumberList(lineNum+1)==null)
{
renumberList(lineNum);
}
}
function renumberList(lineNum){
@ -4932,8 +4906,8 @@ function Ace2Inner(){
}
else if(curLevel == level)
{
buildKeepRange(builder, loc, (loc = [line, 0]));
buildKeepRange(builder, loc, (loc = [line, 1]), [
ChangesetUtils.buildKeepRange(rep, builder, loc, (loc = [line, 0]));
ChangesetUtils.buildKeepRange(rep, builder, loc, (loc = [line, 1]), [
['start', position]
], rep.apool);
@ -4964,62 +4938,6 @@ function Ace2Inner(){
}
function setLineListTypes(lineNumTypePairsInOrder)
{
var loc = [0, 0];
var builder = Changeset.builder(rep.lines.totalWidth());
for (var i = 0; i < lineNumTypePairsInOrder.length; i++)
{
var pair = lineNumTypePairsInOrder[i];
var lineNum = pair[0];
var listType = pair[1];
buildKeepRange(builder, loc, (loc = [lineNum, 0]));
if (getLineListType(lineNum))
{
// already a line marker
if (listType)
{
// make different list type
buildKeepRange(builder, loc, (loc = [lineNum, 1]), [
['list', listType]
], rep.apool);
}
else
{
// remove list marker
buildRemoveRange(builder, loc, (loc = [lineNum, 1]));
}
}
else
{
// currently no line marker
if (listType)
{
// add a line marker
builder.insert('*', [
['author', thisAuthor],
['insertorder', 'first'],
['list', listType]
], rep.apool);
}
}
}
var cs = builder.toString();
if (!Changeset.isIdentity(cs))
{
performDocumentApplyChangeset(cs);
}
//if the list has been removed, it is necessary to renumber
//starting from the *next* line because the list may have been
//separated. If it returns null, it means that the list was not cut, try
//from the current one.
if(renumberList(lineNum+1)==null)
{
renumberList(lineNum);
}
}
function doInsertList(type)
{
@ -5057,7 +4975,10 @@ function Ace2Inner(){
var t = getLineListType(n);
mods.push([n, allLinesAreList ? 'indent' + level : (t ? type + level : type + '1')]);
}
setLineListTypes(mods);
_.each(mods, function(mod){
setLineListType.apply(this, mod);
});
}
function doInsertUnorderedList(){
@ -5477,6 +5398,11 @@ function Ace2Inner(){
}
}
}
// Init documentAttributeManager
documentAttributeManager = new AttributeManager(rep, performDocumentApplyChangeset);
$(document).ready(function(){
doc = document; // defined as a var in scope outside