diff --git a/main/document/document.inc.php b/main/document/document.inc.php index 1788eaf773..d8f6ce338f 100755 --- a/main/document/document.inc.php +++ b/main/document/document.inc.php @@ -147,12 +147,12 @@ function create_document_link($www, $title, $path, $filetype, $size, $visibility $tooltip_title_alt = $tooltip_title; if ($tooltip_title == 'shared_folder') { - $tooltip_title_alt = get_lang('SharedFolder'); + $tooltip_title_alt = get_lang('UserFolders'); }elseif(strstr($tooltip_title, 'shared_folder_session_')) { - $tooltip_title_alt = get_lang('SharedFolder').' ('.api_get_session_name($current_session_id).')'; + $tooltip_title_alt = get_lang('UserFolders').' ('.api_get_session_name($current_session_id).')'; }elseif(strstr($tooltip_title, 'sf_user_')) { $userinfo = Database::get_user_info_from_id(substr($tooltip_title, 8)); - $tooltip_title_alt = get_lang('SharedFolder').' ('.api_get_person_name($userinfo['firstname'], $userinfo['lastname']).')'; + $tooltip_title_alt = get_lang('UserFolder').' '.api_get_person_name($userinfo['firstname'], $userinfo['lastname']); } $current_session_id=api_get_session_id(); @@ -214,19 +214,19 @@ function build_document_icon_tag($type, $path) { $icon = choose_image($basename); } else { if ($basename == 'shared_folder') { - $icon = 'shared_folder.gif'; + $icon = 'user_folders.gif'; if ($is_allowed_to_edit) { $basename = get_lang('HelpSharedFolder'); } else { - $basename = get_lang('SharedFolder'); + $basename = get_lang('UserFolders'); } }elseif(strstr($basename, 'shared_folder_session_')) { if ($is_allowed_to_edit) { $basename = '***('.api_get_session_name($current_session_id).')*** '.get_lang('HelpSharedFolder'); } else { - $basename = get_lang('SharedFolder').' ('.api_get_session_name($current_session_id).')'; + $basename = get_lang('UserFolders').' ('.api_get_session_name($current_session_id).')'; } - $icon = 'shared_folder.gif'; + $icon = 'user_folders.gif'; }elseif(strstr($basename, 'sf_user_')) { $userinfo = Database::get_user_info_from_id(substr($basename, 8)); $image_path = UserManager::get_user_picture_path_by_id(substr($basename, 8), 'web', false, true); @@ -237,7 +237,7 @@ function build_document_icon_tag($type, $path) { $icon = '../upload/users/'.substr($basename, 8).'/'.$image_path['file']; } - $basename = get_lang('SharedFolder').' ('.api_get_person_name($userinfo['firstname'], $userinfo['lastname']).')'; + $basename = get_lang('UserFolder').' ('.api_get_person_name($userinfo['firstname'], $userinfo['lastname']).')'; } else { if (($basename =='audio' || $basename =='flash' || $basename =='images' || $basename =='video') && api_is_allowed_to_edit()) { @@ -386,6 +386,7 @@ function build_move_to_selector($folders, $curdirpath, $move_file, $group_dir = if ($curdirpath != '/') { $form .= ''; } + if (is_array($folders)) { foreach ($folders as & $folder) { // You cannot move a file to: @@ -550,15 +551,18 @@ function is_any_user_shared_folder($path, $current_session_id) { } /** - * Checks whether the user is into his shared folder - * @return return bool Return true when user is in his user shared folder + * Checks whether the user is into his shared folder or into a subfolder + * @return return bool Return true when user is in his user shared folder or into a subforder */ function is_my_shared_folder($user_id, $path, $current_session_id) { - $clean_path = Security::remove_XSS($path); - if($clean_path == '/shared_folder/sf_user_'.$user_id){ + $clean_path = Security::remove_XSS($path).'/'; + $main_user_shared_folder = '/shared_folder\/sf_user_'.$user_id.'\//';//for security does not remove the last slash + $main_user_shared_folder_session='/shared_folder_session_'.$current_session_id.'\/sf_user_'.$user_id.'\//';//for security does not remove the last slash + + if(preg_match($main_user_shared_folder, $clean_path)){ return true; } - elseif($clean_path == '/shared_folder_session_'.$current_session_id.'/sf_user_'.$user_id){ + elseif(preg_match($main_user_shared_folder_session, $clean_path)){ return true; } else{ diff --git a/main/document/document.php b/main/document/document.php index 90166df52b..57d3cf5466 100755 --- a/main/document/document.php +++ b/main/document/document.php @@ -441,8 +441,8 @@ if (isset($_GET['action']) && $_GET['action'] == 'copytomyfiles' && api_get_sett //START ACTION MENU /* MOVE FILE OR DIRECTORY */ - //Only teacher and all users into their group - if($is_allowed_to_edit || $group_member_with_upload_rights){ + //Only teacher and all users into their group and each user into his/her shared folder + if($is_allowed_to_edit || $group_member_with_upload_rights || is_my_shared_folder($_user['user_id'], $curdirpath, $current_session_id) || is_my_shared_folder($_user['user_id'], Security::remove_XSS($_POST['move_to']), $current_session_id)){ $my_get_move = Security::remove_XSS($_GET['move']); if (isset($_GET['move']) && $_GET['move'] != '') { @@ -459,13 +459,29 @@ if (isset($_GET['action']) && $_GET['action'] == 'copytomyfiles' && api_get_sett } if (DocumentManager::get_document_id($_course, $my_get_move)) { - $folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit || $group_member_with_upload_rights); + $folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit || $group_member_with_upload_rights); - echo '
'.get_lang('Move').'
'; - echo build_move_to_selector($folders, Security::remove_XSS($_GET['curdirpath']), $my_get_move, $group_properties['directory']); + //filter if is my shared folder. TODO: move this code to build_move_to_selector function + if(is_my_shared_folder($_user['user_id'], $curdirpath, $current_session_id) && !$is_allowed_to_edit){ + $main_user_shared_folder_main = '/shared_folder/sf_user_'.api_get_user_id();//only main user shared folder + $main_user_shared_folder_sub = '/shared_folder\/sf_user_'.api_get_user_id().'\//';//all subfolders + $user_shared_folders=array(); + + foreach($folders as $fold){ + if($main_user_shared_folder_main==$fold || preg_match($main_user_shared_folder_sub, $fold)){ + $user_shared_folders[]=$fold; + } + } + echo '
'.get_lang('Move').'
'; + echo build_move_to_selector($user_shared_folders, Security::remove_XSS($_GET['curdirpath']), $my_get_move, $group_properties['directory']); + } + else{ + echo '
'.get_lang('Move').'
'; + echo build_move_to_selector($folders, Security::remove_XSS($_GET['curdirpath']), $my_get_move, $group_properties['directory']); + } } } - + if (isset($_POST['move_to']) && isset($_POST['move_file'])) { if (!$is_allowed_to_edit) { if (DocumentManager::check_readonly($_course, $_user['user_id'], $my_get_move)) { @@ -484,7 +500,6 @@ if (isset($_GET['action']) && $_GET['action'] == 'copytomyfiles' && api_get_sett // This is needed for the update_db_info function //$dbTable = $_course['dbNameGlu'].'document'; $dbTable = Database::get_course_table(TABLE_DOCUMENT); - // Security fix: make sure they can't move files that are not in the document table if (DocumentManager::get_document_id($_course, $_POST['move_file'])) { if (move($base_work_dir.$_POST['move_file'], $base_work_dir.$_POST['move_to'])) { @@ -501,9 +516,10 @@ if (isset($_GET['action']) && $_GET['action'] == 'copytomyfiles' && api_get_sett } } } + /* DELETE FILE OR DIRECTORY */ //Only teacher and all users into their group - if($is_allowed_to_edit || $group_member_with_upload_rights){ + if($is_allowed_to_edit || $group_member_with_upload_rights || is_my_shared_folder($_user['user_id'], $curdirpath, $current_session_id)){ if (isset($_GET['delete'])) { if (api_is_coach()) { @@ -634,7 +650,7 @@ if (isset($_GET['action']) && $_GET['action'] == 'copytomyfiles' && api_get_sett /* TEMPLATE ACTION */ //Only teacher and all users into their group - if($is_allowed_to_edit || $group_member_with_upload_rights){ + if($is_allowed_to_edit || $group_member_with_upload_rights || is_my_shared_folder($_user['user_id'], $curdirpath, $current_session_id)){ if (isset($_GET['add_as_template']) && !isset($_POST['create_template'])) { $document_id_for_template = intval($_GET['add_as_template']); @@ -928,8 +944,8 @@ if (!is_null($docs_and_folders)) { global $total_size; if (!$is_certificate_mode && $total_size != 0 && (api_get_setting('students_download_folders') == 'true' || api_is_allowed_to_edit() || api_is_platform_admin())) { - //don't show icon into shared folder, and don´t show into main path (root) - if (!is_shared_folder($curdirpath, $current_session_id) && $curdirpath!='/' || api_is_allowed_to_edit() || api_is_platform_admin()) + //for student does not show icon into other shared folder, and does not show into main path (root) + if (is_my_shared_folder($_user['user_id'], $curdirpath, $current_session_id) && $curdirpath!='/' || api_is_allowed_to_edit() || api_is_platform_admin()) { echo ''.Display::display_icon('zip_save.gif', get_lang('Save').' (ZIP)'). get_lang('Save').' (ZIP) '; } diff --git a/main/forum/forumfunction.inc.php b/main/forum/forumfunction.inc.php index 1558018ef8..14df283073 100755 --- a/main/forum/forumfunction.inc.php +++ b/main/forum/forumfunction.inc.php @@ -3262,8 +3262,9 @@ function prepare4display($input='') { $counter++; } } - //return api_html_entity_decode(stripslashes($input)); - return Security::remove_XSS($input, STUDENT); + //return api_html_entity_decode(stripslashes($input)); + //change this to COURSEMANAGERLOWSECURITY or COURSEMANAGER to lower filtering and allow more styles (see comments of Security::remove_XSS() method to learn about other levels) + return Security::remove_XSS($input, STUDENT); } else { $returnarray=array_walk($input, 'api_html_entity_decode'); $returnarray=array_walk($input, 'stripslashes'); diff --git a/main/forum/viewthread_flat.inc.php b/main/forum/viewthread_flat.inc.php index d4c1a11749..e3b7461e54 100755 --- a/main/forum/viewthread_flat.inc.php +++ b/main/forum/viewthread_flat.inc.php @@ -111,7 +111,7 @@ if (isset($current_thread['thread_id'])){ } } echo ""; - // show the + // prepare the notification icon if (isset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]) and !empty($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]) and !empty($whatsnew_post_info[$_GET['forum']][$row['thread_id']])) { $post_image=icon('../img/forumpostnew.gif'); } else { @@ -124,10 +124,11 @@ if (isset($current_thread['thread_id'])){ echo ""; - // The post message - echo ""; - echo "".prepare4display($row['post_text']).""; - echo ""; + // The post message + echo ""; + // see comments inside forumfunction.inc.php to lower filtering and allow more visual changes + echo "".prepare4display($row['post_text']).""; + echo ""; // The check if there is an attachment diff --git a/main/group/group.php b/main/group/group.php index 9a7e53c123..217647a041 100755 --- a/main/group/group.php +++ b/main/group/group.php @@ -189,7 +189,7 @@ foreach ($group_cats as $index => $category) { $in_category = false; if (api_get_setting('allow_group_categories') == 'true') { if (isset ($_GET['show_all']) || (isset ($_GET['category']) && $_GET['category'] == $category['id'])) { - echo ''; + echo ''; echo ''.$category['title'].''; $in_category = true; } else { diff --git a/main/img/group_category.gif b/main/img/group_category.gif new file mode 100644 index 0000000000..a871087326 Binary files /dev/null and b/main/img/group_category.gif differ diff --git a/main/img/user_folders.gif b/main/img/user_folders.gif new file mode 100644 index 0000000000..143fae61d7 Binary files /dev/null and b/main/img/user_folders.gif differ diff --git a/main/inc/banner.inc.php b/main/inc/banner.inc.php index 2a9a28cf8d..b15f62fc7e 100755 --- a/main/inc/banner.inc.php +++ b/main/inc/banner.inc.php @@ -416,11 +416,11 @@ if (isset($interbreadcrumb) && is_array($interbreadcrumb)) { $navigation_item['title'] = $breadcrumb_step['name']; // titles for shared folders if ($breadcrumb_step['name'] == 'shared_folder') { - $navigation_item['title'] = get_lang('SharedFolder'); + $navigation_item['title'] = get_lang('UserFolders'); } elseif(strstr($breadcrumb_step['name'], 'shared_folder_session_')) { - $navigation_item['title'] = get_lang('SharedFolder'); + $navigation_item['title'] = get_lang('UserFolders'); } elseif(strstr($breadcrumb_step['name'], 'sf_user_')) { $userinfo = Database::get_user_info_from_id(substr($breadcrumb_step['name'], 8)); diff --git a/main/inc/lib/add_course.lib.inc.php b/main/inc/lib/add_course.lib.inc.php index 266c32db0c..270a94b2ed 100755 --- a/main/inc/lib/add_course.lib.inc.php +++ b/main/inc/lib/add_course.lib.inc.php @@ -2231,7 +2231,7 @@ function fill_Db_course($course_db_name, $course_repository, $language, $default $example_doc_id = Database :: insert_id(); Database::query("INSERT INTO `".$TABLEITEMPROPERTY . "` (tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ('document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)"); - Database::query("INSERT INTO `".$TABLETOOLDOCUMENT . "`(path,title,filetype,size) VALUES ('/shared_folder','".get_lang('SharedDocumentsDirectory')."','folder','0')"); + Database::query("INSERT INTO `".$TABLETOOLDOCUMENT . "`(path,title,filetype,size) VALUES ('/shared_folder','".get_lang('UserFolders')."','folder','0')"); $example_doc_id = Database :: insert_id(); Database::query("INSERT INTO `".$TABLEITEMPROPERTY . "` (tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ('document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)"); diff --git a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/big_icon/bigfolderShared.png b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/big_icon/bigfolderShared.png index d2df3183de..3e602941dd 100755 Binary files a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/big_icon/bigfolderShared.png and b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/big_icon/bigfolderShared.png differ diff --git a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/small_icon/folderShared.png b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/small_icon/folderShared.png index fedfc5a637..f021c3e12a 100755 Binary files a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/small_icon/folderShared.png and b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/theme/default/images/small_icon/folderShared.png differ diff --git a/main/inc/lib/fckeditor/editor/plugins/asciisvg/ASCIIsvgPI.js b/main/inc/lib/fckeditor/editor/plugins/asciisvg/ASCIIsvgPI.js new file mode 100644 index 0000000000..4288ac529e --- /dev/null +++ b/main/inc/lib/fckeditor/editor/plugins/asciisvg/ASCIIsvgPI.js @@ -0,0 +1,1402 @@ +/* ASCIIsvgPI.js +============== +This version contains modifications needed for ASCIIsvg to work with +tinyMCE editor plugins. Modifications made by David Lippman, (c) 2008 +Revised 8/14/09 + +JavaScript routines to dynamically generate Scalable Vector Graphics +using a mathematical xy-coordinate system (y increases upwards) and +very intuitive JavaScript commands (no programming experience required). +ASCIIsvg.js is good for learning math and illustrating online math texts. +Works with Internet Explorer+Adobe SVGviewer and SVG enabled Mozilla/Firefox. + +Ver 1.2.7 Oct 13, 2005 (c) Peter Jipsen http://www.chapman.edu/~jipsen +Latest version at http://www.chapman.edu/~jipsen/svg/ASCIIsvg.js +If you use it on a webpage, please send the URL to jipsen@chapman.edu + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at +your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License (at http://www.gnu.org/copyleft/gpl.html) +for more details.*/ + +//var AScgiloc = 'http://www.imathas.com/imathas/filter/graph/svgimg.php'; +var ASnoSVG = false; +var checkIfSVGavailable = true; +var notifyIfNoSVG = false; +var alertIfNoSVG = false; +var xunitlength = 20; // pixels +var yunitlength = 20; // pixels +var origin = [0,0]; // in pixels (default is bottom left corner) +var defaultwidth = 300; defaultheight = 200; defaultborder = [0,0,0,0]; +var border = defaultborder; +var strokewidth, strokedasharray, stroke, fill; +var fontstyle, fontfamily, fontsize, fontweight, fontstroke, fontfill, fontbackground; +var markerstrokewidth = "1"; +var markerstroke = "black"; +var markerfill = "yellow"; +var marker = "none"; +var arrowfill = stroke; +var dotradius = 4; +var ticklength = 4; +var axesstroke = "black"; +var gridstroke = "grey"; +var pointerpos = null; +var coordinates = null; +var above = "above"; +var below = "below"; +var left = "left"; +var right = "right"; +var aboveleft = "aboveleft"; +var aboveright = "aboveright"; +var belowleft = "belowleft"; +var belowright = "belowright"; +var cpi = "\u03C0", ctheta = "\u03B8"; +var pi = Math.PI, ln = Math.log, e = Math.E; +var arcsin = Math.asin, arccos = Math.acos, arctan = Math.atan; +var sec = function(x) { return 1/Math.cos(x) }; +var csc = function(x) { return 1/Math.sin(x) }; +var cot = function(x) { return 1/Math.tan(x) }; +var xmin, xmax, ymin, ymax, xscl, yscl, + xgrid, ygrid, xtick, ytick, initialized; +var isIE = document.createElementNS==null; +var picture, svgpicture, doc, width, height, a, b, c, d, i, n, p, t, x, y; +var arcsec = function(x) { return arccos(1/x) }; +var arccsc = function(x) { return arcsin(1/x) }; +var arccot = function(x) { return arctan(1/x) }; +var sinh = function(x) { return (Math.exp(x)-Math.exp(-x))/2 }; +var cosh = function(x) { return (Math.exp(x)+Math.exp(-x))/2 }; +var tanh = + function(x) { return (Math.exp(x)-Math.exp(-x))/(Math.exp(x)+Math.exp(-x)) }; +var sech = function(x) { return 1/cosh(x) }; +var csch = function(x) { return 1/sinh(x) }; +var coth = function(x) { return 1/tanh(x) }; +var arcsinh = function(x) { return ln(x+Math.sqrt(x*x+1)) }; +var arccosh = function(x) { return ln(x+Math.sqrt(x*x-1)) }; +var arctanh = function(x) { return ln((1+x)/(1-x))/2 }; +var sech = function(x) { return 1/cosh(x) }; +var csch = function(x) { return 1/sinh(x) }; +var coth = function(x) { return 1/tanh(x) }; +var arcsech = function(x) { return arccosh(1/x) }; +var arccsch = function(x) { return arcsinh(1/x) }; +var arccoth = function(x) { return arctanh(1/x) }; +var sign = function(x) { return (x==0?0:(x<0?-1:1)) }; +var logten = function(x) { return (Math.LOG10E*Math.log(x)) }; + + +function factorial(x,n) { + if (n==null) n=1; + for (var i=x-n; i>0; i-=n) x*=i; + return (x<0?NaN:(x==0?1:x)); +} + + +function C(x,k) { + var res=1; + for (var i=0; i524) { + // return null; + //} + return 1; + } +//Opera can do SVG, but not very pretty, so might want to skip it + if ((ver = navigator.userAgent.toLowerCase().match(/opera\/([\d\.]+)/))!=null) { + if (ver[1]>9.1) { + return null; + } + } + //Mozillas. + if (navigator.product && navigator.product=='Gecko') { + var rv = navigator.userAgent.toLowerCase().match(/rv:\s*([\d\.]+)/); + if (rv!=null) { + rv = rv[1].split('.'); + if (rv.length<3) { rv[2] = 0;} + if (rv.length<2) { rv[1] = 0;} + } + if (rv!=null && 10000*rv[0]+100*rv[1]+1*rv[2]>=10800) return null; + else return 1; + } + //IE + AdobeSVGviewer + if (navigator.appName.slice(0,9)=="Microsoft") + try { + var oSVG=eval("new ActiveXObject('Adobe.SVGCtl.3');"); + return null; + } catch (e) { + return 1; + } + else return 1; +} + +function less(x,y) { return x < y } // used for scripts in XML files + // since IE does not handle CDATA well +function setText(st,id) { + var node = document.getElementById(id); + if (node!=null) + if (node.childNodes.length!=0) node.childNodes[0].nodeValue = st; + else node.appendChild(document.createTextNode(st)); +} + + +function myCreateElementSVG(t) { + if (isIE) return doc.createElement(t); + else return doc.createElementNS("http://www.w3.org/2000/svg",t); +} + + +function getX() { + return (doc.getElementById("pointerpos").getAttribute("cx")-origin[0])/xunitlength; +} + + +function getY() { + return (height-origin[1]-doc.getElementById("pointerpos").getAttribute("cy"))/yunitlength; +} + + +function mousemove_listener(evt) { + if (svgpicture.getAttribute("xbase")!=null) + pointerpos.cx.baseVal.value = evt.clientX-svgpicture.getAttribute("xbase"); + if (svgpicture.getAttribute("ybase")!=null) + pointerpos.cy.baseVal.value = evt.clientY-svgpicture.getAttribute("ybase"); +} + + +function top_listener(evt) { + svgpicture.setAttribute("ybase",evt.clientY); +} + + +function bottom_listener(evt) { + svgpicture.setAttribute("ybase",evt.clientY-height+1); +} + + +function left_listener(evt) { + svgpicture.setAttribute("xbase",evt.clientX); +} + + +function right_listener(evt) { + svgpicture.setAttribute("xbase",evt.clientX-width+1); +} + + +function switchTo(id) { +//alert(id); + picture = document.getElementById(id); + width = picture.getAttribute("width")-0; + height = picture.getAttribute("height")-0; + strokewidth = "1" // pixel + stroke = "black"; // default line color + fill = "none"; // default fill color + marker = "none"; + if ((picture.nodeName == "EMBED" || picture.nodeName == "embed") && isIE) { + svgpicture = picture.getSVGDocument().getElementById("root"); + doc = picture.getSVGDocument(); + } else { + picture.setAttribute("onmousemove","updateCoords"+(id.slice(id.length-1)-1)+"()"); +//alert(picture.getAttribute("onmousemove")+"***"); + svgpicture = picture; + doc = document; + } + xunitlength = svgpicture.getAttribute("xunitlength")-0; + yunitlength = svgpicture.getAttribute("yunitlength")-0; + xmin = svgpicture.getAttribute("xmin")-0; + xmax = svgpicture.getAttribute("xmax")-0; + ymin = svgpicture.getAttribute("ymin")-0; + ymax = svgpicture.getAttribute("ymax")-0; + origin = [svgpicture.getAttribute("ox")-0,svgpicture.getAttribute("oy")-0]; +} + + +function updatePicture(obj) { +//alert(typeof obj) + var src = document.getElementById((typeof obj=="string"? + obj:"picture"+(obj+1)+"input")).value; + xmin = null; xmax = null; ymin = null; ymax = null; + xscl = null; xgrid = null; yscl = null; ygrid = null; + initialized = false; + switchTo((typeof obj=="string"?obj.slice(0,8):"picture"+(obj+1))); + src = src.replace(/plot\(\x20*([^\"f\[][^\n\r]+?)\,/g,"plot\(\"$1\","); + src = src.replace(/plot\(\x20*([^\"f\[][^\n\r]+)\)/g,"plot(\"$1\")"); + src = src.replace(/([0-9])([a-zA-Z])/g,"$1*$2"); + src = src.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1"); +//alert(src); + try { + with (Math) eval(src); + } catch(err) {alert(err+"\n"+src)} +} + + +function showHideCode(obj) { + var node = obj.nextSibling; + while (node != null && node.nodeName != "BUTTON" && + + node.nodeName != "button") node = node.nextSibling; + if (node.style.display == "none") node.style.display = ""; + else node.style.display = "none"; + while (node != null && node.nodeName != "TEXTAREA" && + node.nodeName != "textarea") node = node.previousSibling; + if (node.style.display == "none") node.style.display = ""; + else node.style.display = "none"; +// updatePicture(node.getAttribute("id")); +} + + +function hideCode() { //do nothing +} + + +function showcode() { //do nothing +} + + +function nobutton() { //do nothing +} + + +function setBorder(l,b,r,t) { + if (t==null) { + border = new Array(l,l,l,l); + } else { + border = new Array(l,b,r,t); + } +} + + +function initPicture(x_min,x_max,y_min,y_max) { + if (!initialized) { + strokewidth = "1"; // pixel + strokedasharray = null; + stroke = "black"; // default line color + fill = "none"; // default fill color + fontstyle = "italic"; // default shape for text labels + fontfamily = "times"; // default font + fontsize = "16"; // default size + fontweight = "normal"; + fontstroke = "black"; // default font outline color + fontfill = "black"; // default font color + fontbackground = "none"; + marker = "none"; + initialized = true; + if (x_min!=null) xmin = x_min; + if (x_max!=null) xmax = x_max; + if (y_min!=null) ymin = y_min; + if (y_max!=null) ymax = y_max; + if (xmin==null) xmin = -5; + if (xmax==null) xmax = 5; + if (typeof xmin != "number" || typeof xmax != "number" || xmin >= xmax) + alert("Picture requires at least two numbers: xmin < xmax"); + else if (y_max != null && (typeof y_min != "number" || + typeof y_max != "number" || y_min >= y_max)) + alert("initPicture(xmin,xmax,ymin,ymax) requires numbers ymin < ymax"); + else { + //if (width==null) + width = picture.getAttribute("width"); + //else picture.setAttribute("width",width); + if (width==null || width=="") width=defaultwidth; + //if (height==null) + height = picture.getAttribute("height"); + //else picture.setAttribute("height",height); + if (height==null || height=="") height=defaultheight; + xunitlength = (width-border[0]-border[2])/(xmax-xmin); + yunitlength = xunitlength; +//alert(xmin+" "+xmax+" "+ymin+" "+ymax) + if (ymin==null) { + origin = [-xmin*xunitlength+border[0],height/2]; + ymin = -(height-border[1]-border[3])/(2*yunitlength); + ymax = -ymin; + } else { + if (ymax!=null) yunitlength = (height-border[1]-border[3])/(ymax-ymin); + else ymax = (height-border[1]-border[3])/yunitlength + ymin; + origin = [-xmin*xunitlength+border[0],-ymin*yunitlength+border[1]]; + } + winxmin = Math.max(border[0]-5,0); + winxmax = Math.min(width-border[2]+5,width); + winymin = Math.max(border[3]-5,0); + winymax = Math.min(height-border[1]+5,height); +// if (true ||picture.nodeName == "EMBED" || picture.nodeName == "embed") { + if (isIE) { + svgpicture = picture.getSVGDocument().getElementById("root"); + while (svgpicture.childNodes.length()>5) + svgpicture.removeChild(svgpicture.lastChild); + svgpicture.setAttribute("width",width); + svgpicture.setAttribute("height",height); + doc = picture.getSVGDocument(); + } else { + var qnode = document.createElementNS("http://www.w3.org/2000/svg","svg"); + qnode.setAttribute("id",picture.getAttribute("id")); + qnode.setAttribute("style","display:inline; "+picture.getAttribute("style")); + qnode.setAttribute("width",picture.getAttribute("width")); + qnode.setAttribute("height",picture.getAttribute("height")); + if (picture.parentNode!=null) + picture.parentNode.replaceChild(qnode,picture); + else + svgpicture.parentNode.replaceChild(qnode,svgpicture); + svgpicture = qnode; + doc = document; + pointerpos = doc.getElementById("pointerpos"); + if (pointerpos==null) { + pointerpos = myCreateElementSVG("circle"); + pointerpos.setAttribute("id","pointerpos"); + pointerpos.setAttribute("cx",0); + pointerpos.setAttribute("cy",0); + pointerpos.setAttribute("r",0.5); + pointerpos.setAttribute("fill","red"); + svgpicture.appendChild(pointerpos); + } + } +// } else { +// svgpicture = picture; +// doc = document; +// } + svgpicture.setAttribute("xunitlength",xunitlength); + svgpicture.setAttribute("yunitlength",yunitlength); + svgpicture.setAttribute("xmin",xmin); + svgpicture.setAttribute("xmax",xmax); + svgpicture.setAttribute("ymin",ymin); + svgpicture.setAttribute("ymax",ymax); + svgpicture.setAttribute("ox",origin[0]); + svgpicture.setAttribute("oy",origin[1]); + var node = myCreateElementSVG("rect"); + node.setAttribute("x","0"); + node.setAttribute("y","0"); + node.setAttribute("width",width); + node.setAttribute("height",height); + node.setAttribute("style","stroke-width:1;fill:white"); + svgpicture.appendChild(node); + if (!isIE && picture.getAttribute("onmousemove")!=null) { + svgpicture.addEventListener("mousemove", mousemove_listener, true); + var st = picture.getAttribute("onmousemove"); + svgpicture.addEventListener("mousemove", eval(st.slice(0,st.indexOf("("))), true); + node = myCreateElementSVG("polyline"); + node.setAttribute("points","0,0 "+width+",0"); + node.setAttribute("style","stroke:white; stroke-width:3"); + node.addEventListener("mousemove", top_listener, true); + svgpicture.appendChild(node); + node = myCreateElementSVG("polyline"); + node.setAttribute("points","0,"+height+" "+width+","+height); + node.setAttribute("style","stroke:white; stroke-width:3"); + node.addEventListener("mousemove", bottom_listener, true); + svgpicture.appendChild(node); + node = myCreateElementSVG("polyline"); + node.setAttribute("points","0,0 0,"+height); + node.setAttribute("style","stroke:white; stroke-width:3"); + node.addEventListener("mousemove", left_listener, true); + svgpicture.appendChild(node); + node = myCreateElementSVG("polyline"); + node.setAttribute("points",(width-1)+",0 "+(width-1)+","+height); + node.setAttribute("style","stroke:white; stroke-width:3"); + node.addEventListener("mousemove", right_listener, true); + svgpicture.appendChild(node); + } + border = defaultborder; + } + } +} + + +function line(p,q,id) { // segment connecting points p,q (coordinates in units) + var node; + if (id!=null) node = doc.getElementById(id); + if (node==null) { + node = myCreateElementSVG("path"); + node.setAttribute("id", id); + svgpicture.appendChild(node); + } + node.setAttribute("d","M"+(p[0]*xunitlength+origin[0])+","+ + (height-p[1]*yunitlength-origin[1])+" "+ + (q[0]*xunitlength+origin[0])+","+(height-q[1]*yunitlength-origin[1])); + node.setAttribute("stroke-width", strokewidth); + if (strokedasharray!=null) + node.setAttribute("stroke-dasharray", strokedasharray); + node.setAttribute("stroke", stroke); + node.setAttribute("fill", fill); + if (marker=="dot" || marker=="arrowdot") { + ASdot(p,4,markerstroke,markerfill); + if (marker=="arrowdot") arrowhead(p,q); + ASdot(q,4,markerstroke,markerfill); + } else if (marker=="arrow") arrowhead(p,q); +} + + +function path(plist,id,c) { + if (c==null) c=""; + var node, st, i; + if (id!=null) node = doc.getElementById(id); + if (node==null) { + node = myCreateElementSVG("path"); + node.setAttribute("id", id); + svgpicture.appendChild(node); + } + if (typeof plist == "string") st = plist; + else { + st = "M"; + st += (plist[0][0]*xunitlength+origin[0])+","+ + (height-plist[0][1]*yunitlength-origin[1])+" "+c; + for (i=1; i 0.00000001) { + u = [u[0]/d, u[1]/d]; + up = [-u[1],u[0]]; + var node = myCreateElementSVG("path"); + node.setAttribute("d","M "+(w[0]-15*u[0]-4*up[0])+" "+ + (w[1]-15*u[1]-4*up[1])+" L "+(w[0]-3*u[0])+" "+(w[1]-3*u[1])+" L "+ + (w[0]-15*u[0]+4*up[0])+" "+(w[1]-15*u[1]+4*up[1])+" z"); + node.setAttribute("stroke-width", markerstrokewidth); + node.setAttribute("stroke", stroke); /*was markerstroke*/ + node.setAttribute("fill", stroke); /*was arrowfill*/ + svgpicture.appendChild(node); + } +} + + +function chopZ(st) { + var k = st.indexOf("."); + if (k==-1) return st; + for (var i=st.length-1; i>k && st.charAt(i)=="0"; i--); + if (i==k) i--; + return st.slice(0,i+1); +} + + +function grid(dx,dy) { // for backward compatibility + axes(dx,dy,null,dx,dy) +} + + +function noaxes() { + if (!initialized) initPicture(); +} + + +function axes(dx,dy,labels,gdx,gdy,dox,doy) { +//xscl=x is equivalent to xtick=x; xgrid=x; labels=true; + var x, y, ldx, ldy, lx, ly, lxp, lyp, pnode, st; + if (!initialized) initPicture(); + if (typeof dx=="string") { labels = dx; dx = null; } + if (typeof dy=="string") { gdx = dy; dy = null; } + if (xscl!=null) {dx = xscl; gdx = xscl; labels = dx} + if (yscl!=null) {dy = yscl; gdy = yscl} + if (xtick!=null) {dx = xtick} + if (ytick!=null) {dy = ytick} + if (dox==null) {dox = true;} + if (doy==null) {doy = true;} + if (dox=="off" || dox==0) { dox = false;} else {dox = true;} + if (doy=="off" || doy==0) { doy = false;} else {doy = true;} +//alert(null) + dx = (dx==null?xunitlength:dx*xunitlength); + dy = (dy==null?dx:dy*yunitlength); + fontsize = Math.floor(Math.min(dx/1.5,dy/1.5,16));//alert(fontsize) + ticklength = fontsize/4; + if (xgrid!=null) gdx = xgrid; + if (ygrid!=null) gdy = ygrid; + if (gdx!=null) { + gdx = (typeof gdx=="string"?dx:gdx*xunitlength); + gdy = (gdy==null?dy:gdy*yunitlength); + pnode = myCreateElementSVG("path"); + st=""; + if (dox && gdx>0) { + for (x = origin[0]; x<=winxmax; x = x+gdx) + if (x>=winxmin) st += " M"+x+","+winymin+" "+x+","+winymax; + for (x = origin[0]-gdx; x>=winxmin; x = x-gdx) + if (x<=winxmax) st += " M"+x+","+winymin+" "+x+","+winymax; + } + if (doy && gdy>0) { + for (y = height-origin[1]; y<=winymax; y = y+gdy) + if (y>=winymin) st += " M"+winxmin+","+y+" "+winxmax+","+y; + for (y = height-origin[1]-gdy; y>=winymin; y = y-gdy) + if (y<=winymax) st += " M"+winxmin+","+y+" "+winxmax+","+y; + } + pnode.setAttribute("d",st); + pnode.setAttribute("stroke-width", .5); + pnode.setAttribute("stroke", gridstroke); + pnode.setAttribute("fill", fill); + svgpicture.appendChild(pnode); + } + pnode = myCreateElementSVG("path"); + if (dox) { + st="M"+winxmin+","+(height-origin[1])+" "+winxmax+","+ + (height-origin[1]); + } + if (doy) { + st += " M"+origin[0]+","+winymin+" "+origin[0]+","+winymax; + } + if (dox) { + for (x = origin[0]; x=winymin) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ + (height-origin[1]-ticklength); + for (x = origin[0]-dx; x>winxmin; x = x-dx) + if (x<=winxmax) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ + (height-origin[1]-ticklength); + } + if (doy) { + for (y = height-origin[1]; y=winymin) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y; + for (y = height-origin[1]-dy; y>winymin; y = y-dy) + if (y<=winymax) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y; + } + if (labels!=null) with (Math) { + ldx = dx/xunitlength; + ldy = dy/yunitlength; + lx = (xmin>0 || xmax<0?xmin:0); + ly = (ymin>0 || ymax<0?ymin:0); + lxp = (ly==0?"below":"above"); + lyp = (lx==0?"left":"right"); + var ddx = floor(1.1-log(ldx)/log(10))+1; + var ddy = floor(1.1-log(ldy)/log(10))+1; + if (ddy<0) { ddy = 0;} + if (ddx<0) { ddx = 0;} + if (dox) { + for (x = (doy?ldx:0); x<=xmax; x = x+ldx) + if (x>=xmin) text([x,ly],chopZ(x.toFixed(ddx)),lxp); + for (x = -ldx; xmin<=x; x = x-ldx) + if (x<=xmax) text([x,ly],chopZ(x.toFixed(ddx)),lxp); + } + if (doy) { + for (y = (dox?ldy:0); y<=ymax; y = y+ldy) + if (y>=ymin) text([lx,y],chopZ(y.toFixed(ddy)),lyp); + for (y = -ldy; ymin<=y; y = y-ldy) + if (y<=ymax) text([lx,y],chopZ(y.toFixed(ddy)),lyp); + } + } + pnode.setAttribute("d",st); + pnode.setAttribute("stroke-width", .5); + pnode.setAttribute("stroke", axesstroke); + pnode.setAttribute("fill", fill); + svgpicture.appendChild(pnode); +} + +function safepow(base,power) { + if (base<0 && Math.floor(power)!=power) { + for (var j=3; j<50; j+=2) { + if (Math.abs(Math.round(j*power)-(j*power))<.000001) { + if (Math.round(j*power)%2==0) { + return Math.pow(Math.abs(base),power); + } else { + return -1*Math.pow(Math.abs(base),power); + } + } + } + return sqrt(-1); + } else { + return Math.pow(base,power); + } +} + +function nthroot(n,base) { + return safepow(base,1/n); +} +function nthlogten(n,v) { + return ((Math.log(v))/(Math.log(n))); +} +function matchtolower(match) { + return match.toLowerCase(); +} + +function mathjs(st,varlist) { + //translate a math formula to js function notation + // a^b --> pow(a,b) + // na --> n*a + // (...)d --> (...)*d + // n! --> factorial(n) + // sin^-1 --> arcsin etc. + //while ^ in string, find term on left and right + //slice and concat new formula string + //parenthesizes the function variables + st = st.replace("[","("); + st = st.replace("]",")"); + st = st.replace(/arc(sin|cos|tan)/g,"a#r#c $1"); + if (varlist != null) { + var reg = new RegExp("(sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)[\(]","g"); + st = st.replace(reg,"$1#("); + var reg = new RegExp("("+varlist+")("+varlist+")$","g"); + st = st.replace(reg,"($1)($2)"); + var reg = new RegExp("("+varlist+")(a#|sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)","g"); + st = st.replace(reg,"($1)$2"); + var reg = new RegExp("("+varlist+")("+varlist+")([^a-df-zA-Z\(#])","g"); // 6/1/09 readded \( for f(350/x) + st = st.replace(reg,"($1)($2)$3"); //get xy3 + //var reg = new RegExp("("+varlist+")("+varlist+")(\w*[^\(#])","g"); + //st = st.replace(reg,"($1)($2)$3"); //get xysin + var reg = new RegExp("([^a-df-zA-Z#])("+varlist+")([^a-df-zA-Z#])","g"); + st = st.replace(reg,"$1($2)$3"); + var reg = new RegExp("^("+varlist+")([^a-df-zA-Z])","g"); + st = st.replace(reg,"($1)$2"); + var reg = new RegExp("([^a-df-zA-Z])("+varlist+")$","g"); + st = st.replace(reg,"$1($2)"); + } + st = st.replace(/#/g,""); + st = st.replace(/a#r#c\s+(sin|cos|tan)/g,"arc$1"); + st = st.replace(/\s/g,""); + st = st.replace(/(Sin|Cos|Tan|Sec|Csc|Cot|Arc|Abs|Log|Ln)/g, matchtolower); + st = st.replace(/log_(\d+)\(/,"nthlog($1,"); + st = st.replace(/log/g,"logten"); + + if (st.indexOf("^-1")!=-1) { + st = st.replace(/sin\^-1/g,"arcsin"); + st = st.replace(/cos\^-1/g,"arccos"); + st = st.replace(/tan\^-1/g,"arctan"); + st = st.replace(/sec\^-1/g,"arcsec"); + st = st.replace(/csc\^-1/g,"arccsc"); + st = st.replace(/cot\^-1/g,"arccot"); + st = st.replace(/sinh\^-1/g,"arcsinh"); + st = st.replace(/cosh\^-1/g,"arccosh"); + st = st.replace(/tanh\^-1/g,"arctanh"); + st = st.replace(/sech\^-1/g,"arcsech"); + st = st.replace(/csch\^-1/g,"arccsch"); + st = st.replace(/coth\^-1/g,"arccoth"); + } + + st = st.replace(/root\((\d+)\)\(/,"nthroot($1,"); + //st = st.replace(/E/g,"(EE)"); + st = st.replace(/([0-9])E([\-0-9])/g,"$1(EE)$2"); + + st = st.replace(/^e$/g,"(E)"); + st = st.replace(/pi/g,"(pi)"); + st = st.replace(/^e([^a-zA-Z])/g,"(E)$1"); + st = st.replace(/([^a-zA-Z])e$/g,"$1(E)"); + + st = st.replace(/([^a-zA-Z])e([^a-zA-Z])/g,"$1(E)$2"); + st = st.replace(/([0-9])([\(a-zA-Z])/g,"$1*$2"); + st = st.replace(/(!)([0-9\(])/g,"$1*$2"); + //want to keep scientific notation + st= st.replace(/([0-9])\*\(EE\)([\-0-9])/,"$1e$2"); + + + st = st.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1"); + + var i,j,k, ch, nested; + while ((i=st.indexOf("^"))!=-1) { + + //find left argument + if (i==0) return "Error: missing argument"; + j = i-1; + ch = st.charAt(j); + if (ch>="0" && ch<="9") {// look for (decimal) number + j--; + while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; + if (ch==".") { + j--; + while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; + } + } else if (ch==")") {// look for matching opening bracket and function name + nested = 1; + j--; + while (j>=0 && nested>0) { + ch = st.charAt(j); + if (ch=="(") nested--; + else if (ch==")") nested++; + j--; + } + while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") + j--; + } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable + j--; + while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") + j--; + } else { + return "Error: incorrect syntax in "+st+" at position "+j; + } + //find right argument + if (i==st.length-1) return "Error: missing argument"; + k = i+1; + ch = st.charAt(k); + nch = st.charAt(k+1); + if (ch>="0" && ch<="9" || (ch=="-" && nch!="(") || ch==".") {// look for signed (decimal) number + k++; + while (k="0" && ch<="9") k++; + if (ch==".") { + k++; + while (k="0" && ch<="9") k++; + } + } else if (ch=="(" || (ch=="-" && nch=="(")) {// look for matching closing bracket and function name + if (ch=="-") { k++;} + nested = 1; + k++; + while (k0) { + ch = st.charAt(k); + if (ch=="(") nested++; + else if (ch==")") nested--; + k++; + } + } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable + k++; + while (k="a" && ch<="z" || + ch>="A" && ch<="Z") k++; + if (ch=='(' && st.slice(i+1,k).match(/^(sin|cos|tan|sec|csc|cot|logten|log|ln|exp|arcsin|arccos|arctan|arcsec|arccsc|arccot|sinh|cosh|tanh|sech|csch|coth|arcsinh|arccosh|arctanh|arcsech|arccsch|arccoth|sqrt|abs|nthroot)$/)) { + nested = 1; + k++; + while (k0) { + ch = st.charAt(k); + if (ch=="(") nested++; + else if (ch==")") nested--; + k++; + } + } + } else { + return "Error: incorrect syntax in "+st+" at position "+k; + } + st = st.slice(0,j+1)+"safepow("+st.slice(j+1,i)+","+st.slice(i+1,k)+")"+ + st.slice(k); + } + while ((i=st.indexOf("!"))!=-1) { + //find left argument + if (i==0) return "Error: missing argument"; + j = i-1; + ch = st.charAt(j); + if (ch>="0" && ch<="9") {// look for (decimal) number + j--; + while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; + if (ch==".") { + j--; + while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; + } + } else if (ch==")") {// look for matching opening bracket and function name + nested = 1; + j--; + while (j>=0 && nested>0) { + ch = st.charAt(j); + if (ch=="(") nested--; + else if (ch==")") nested++; + j--; + } + while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") + j--; + } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable + j--; + while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") + j--; + } else { + return "Error: incorrect syntax in "+st+" at position "+j; + } + st = st.slice(0,j+1)+"factorial("+st.slice(j+1,i)+")"+st.slice(i+1); + } + return st; +} + + +function slopefield(fun,dx,dy) { + var g = fun; + if (typeof fun=="string") + eval("g = function(x,y){ with(Math) return "+mathjs(fun)+" }"); + var gxy,x,y,u,v,dz; + if (dx==null) dx=1; + if (dy==null) dy=1; + dz = Math.sqrt(dx*dx+dy*dy)/6; + var x_min = Math.ceil(xmin/dx); + var y_min = Math.ceil(ymin/dy); + for (x = x_min; x <= xmax; x += dx) + for (y = y_min; y <= ymax; y += dy) { + gxy = g(x,y); + if (!isNaN(gxy)) { + if (Math.abs(gxy)=="Infinity") {u = 0; v = dz;} + else {u = dz/Math.sqrt(1+gxy*gxy); v = gxy*u;} + line([x-u,y-v],[x+u,y+v]); + } + } +} + + +//ASCIIsvgAddon.js dumped here +function drawPictures() { + drawPics() +} + +//ShortScript format: +//xmin,xmax,ymin,ymax,xscl,yscl,labels,xgscl,ygscl,width,height plotcommands(see blow) +//plotcommands: type,eq1,eq2,startmaker,endmarker,xmin,xmax,color,strokewidth,strokedash +function parseShortScript(sscript,gw,gh) { + if (sscript == null) { + initialized = false; + sscript = picture.sscr; + } + + var sa= sscript.split(","); + + if (gw && gh) { + sa[9] = gw; + sa[10] = gh; + sscript = sa.join(","); + picture.setAttribute("sscr", sscript); + } + picture.setAttribute("width", sa[9]); + picture.setAttribute("height", sa[10]); + picture.style.width = sa[9] + "px"; + picture.style.height = sa[10] + "px"; + + if (sa.length > 10) { + commands = 'setBorder(5);'; + commands += 'width=' +sa[9] + '; height=' +sa[10] + ';'; + commands += 'initPicture(' + sa[0] +','+ sa[1] +','+ sa[2] +','+ sa[3] + ');'; + commands += 'axes(' + sa[4] +','+ sa[5] +','+ sa[6] +','+ sa[7] +','+ sa[8]+ ');'; + + var inx = 11; + var eqnlist = 'Graphs: '; + + while (sa.length > inx+9) { + commands += 'stroke="' + sa[inx+7] + '";'; + commands += 'strokewidth="' + sa[inx+8] + '";' + //commands += 'strokedasharray="' + sa[inx+9] + '";' + if (sa[inx+9] != "") { + commands += 'strokedasharray="' + sa[inx+9].replace(/\s+/g,',') + '";'; + } + if (sa[inx]=="slope") { + eqnlist += "dy/dx="+sa[inx+1] + "; "; + commands += 'slopefield("' + sa[inx+1] + '",' + sa[inx+2] + ',' + sa[inx+2] + ');'; + } else { + if (sa[inx]=="func") { + eqnlist += "y="+sa[inx+1] + "; "; + eqn = '"' + sa[inx+1] + '"'; + } else if (sa[inx] == "polar") { + eqnlist += "r="+sa[inx+1] + "; "; + eqn = '["cos(t)*(' + sa[inx+1] + ')","sin(t)*(' + sa[inx+1] + ')"]'; + } else if (sa[inx] == "param") { + eqnlist += "[x,y]=["+sa[inx+1] + "," + sa[inx+2] + "]; "; + eqn = '["' + sa[inx+1] + '","'+ sa[inx+2] + '"]'; + } + + + if (typeof eval(sa[inx+5]) == "number") { + // if ((sa[inx+5]!='null')&&(sa[inx+5].length>0)) { + //commands += 'myplot(' + eqn +',"' + sa[inx+3] + '","' + sa[inx+4]+'",' + sa[inx+5] + ',' + sa[inx+6] +');'; + commands += 'plot(' + eqn +',' + sa[inx+5] + ',' + sa[inx+6] +',null,null,' + sa[inx+3] + ',' + sa[inx+4] +');'; + + } else { + commands += 'plot(' + eqn +',null,null,null,null,' + sa[inx+3] + ',' + sa[inx+4]+');'; + } + } + inx += 10; + } + + try { + eval(commands); + } catch (e) { + setTimeout(function() {parseShortScript(sscript,gw,gh)},100); + //alert("Graph not ready"); + } + + picture.setAttribute("alt",eqnlist); + //picture.setAttribute("width", sa[9]); + //picture.setAttribute("height", sa[9]); + + return commands; + } +} + + + + +function drawPics() { + var index, nd; + pictures = document.getElementsByTagName("embed"); + // might be needed if setTimeout on parseShortScript isn't working + if (!ASnoSVG) { + try { + for (var i = 0; i < pictures.length; i++) { + if (pictures[i].getAttribute("sscr")!='' || pictures[i].getAttribute("script")!='') { + if (pictures[i].getSVGDocument().getElementById("root") == null) { + setTimeout(drawPics,100); + return; + } + } + } + } catch (e) { + setTimeout(drawPics,100); + return; + } + } + var len = pictures.length; + + + for (index = 0; index < len; index++) { + picture = ((!ASnoSVG && isIE) ? pictures[index] : pictures[0]); + // for (index = len-1; index >=0; index--) { + // picture = pictures[index]; + + if (!ASnoSVG) { + initialized = false; + var sscr = picture.getAttribute("sscr"); + if ((sscr != null) && (sscr != "")) { //sscr from editor + try { + parseShortScript(sscr); + } catch (e) {} + } else { + src = picture.getAttribute("script"); //script from showplot + if ((src!=null) && (src != "")) { + try { + with (Math) eval(src); + } catch(err) {alert(err+"\n"+src)} + } + } + } else { + if (picture.getAttribute("sscr")!='') { + n = document.createElement('img'); + n.setAttribute("style",picture.getAttribute("style")); + n.setAttribute("src",AScgiloc+'?sscr='+encodeURIComponent(picture.getAttribute("sscr"))); + pn = picture.parentNode; + pn.replaceChild(n,picture); + } + + } + + } +} + +//modified by David Lippman from original in AsciiSVG.js by Peter Jipsen +//added min/max type: 0:nothing, 1:arrow, 2:open dot, 3:closed dot +function plot(fun,x_min,x_max,points,id,min_type,max_type) { + var pth = []; + var f = function(x) { return x }, g = fun; + var name = null; + if (typeof fun=="string") + eval("g = function(x){ with(Math) return "+mathjs(fun)+" }"); + else if (typeof fun=="object") { + eval("f = function(t){ with(Math) return "+mathjs(fun[0])+" }"); + eval("g = function(t){ with(Math) return "+mathjs(fun[1])+" }"); + } + if (typeof x_min=="string") { name = x_min; x_min = xmin } + else name = id; + var min = (x_min==null?xmin:x_min); + var max = (x_max==null?xmax:x_max); + if (max <= min) { return null;} + //else { + var inc = max-min-0.000001*(max-min); + inc = (points==null?inc/200:inc/points); + var gt; +//alert(typeof g(min)) + for (var t = min; t <= max; t += inc) { + gt = g(t); + if (!(isNaN(gt)||Math.abs(gt)=="Infinity")) pth[pth.length] = [f(t), gt]; + } + path(pth,name); + if (min_type == 1) { + arrowhead(pth[1],pth[0]); + } else if (min_type == 2) { + dot(pth[0], "open"); + } else if (min_type == 3) { + dot(pth[0], "closed"); + } + if (max_type == 1) { + arrowhead(pth[pth.length-2],pth[pth.length-1]); + } else if (max_type == 2) { + dot(pth[pth.length-1], "open"); + } else if (max_type == 3) { + dot(pth[pth.length-1], "closed"); + } + + return p; + //} +} + +//end ASCIIsvgAddon.js dump + +function updateCoords(ind) { + switchTo("picture"+(ind+1)); + var gx=getX(), gy=getY(); + if ((xmax-gx)*xunitlength > 6*fontsize || (gy-ymin)*yunitlength > 2*fontsize) + text([xmax,ymin],"("+gx.toFixed(2)+", "+gy.toFixed(2)+")", + "aboveleft","AScoord"+ind,""); + else text([xmax,ymin]," ","aboveleft","AScoord"+ind,""); +} + + +function updateCoords0() {updateCoords(0)} +function updateCoords1() {updateCoords(1)} +function updateCoords2() {updateCoords(2)} +function updateCoords3() {updateCoords(3)} +function updateCoords4() {updateCoords(4)} +function updateCoords5() {updateCoords(5)} +function updateCoords6() {updateCoords(6)} +function updateCoords7() {updateCoords(7)} +function updateCoords8() {updateCoords(8)} +function updateCoords9() {updateCoords(9)} +ASfn = [function() {updatePicture(0)}, + function() {updatePicture(1)}, + function() {updatePicture(2)}, + function() {updatePicture(3)}, + function() {updatePicture(4)}, + function() {updatePicture(5)}, + function() {updatePicture(6)}, + function() {updatePicture(7)}, + + function() {updatePicture(8)}, + function() {updatePicture(9)}]; +ASupdateCoords = [function() {updateCoords(0)}, + function() {updateCoords(1)}, + function() {updateCoords(2)}, + function() {updateCoords(3)}, + function() {updateCoords(4)}, + function() {updateCoords(5)}, + function() {updateCoords(6)}, + function() {updateCoords(7)}, + function() {updateCoords(8)}, + function() {updateCoords(9)}]; + + +// GO1.1 Generic onload by Brothercake +// http://www.brothercake.com/ +//onload function +function generic() +{ + drawPictures(); +}; +//setup onload function +if(typeof window.addEventListener != 'undefined') +{ + //.. gecko, safari, konqueror and standard + window.addEventListener('load', generic, false); +} +else if(typeof document.addEventListener != 'undefined') +{ + //.. opera 7 + document.addEventListener('load', generic, false); +} +else if(typeof window.attachEvent != 'undefined') +{ + //.. win/ie + window.attachEvent('onload', generic); +} +//** remove this condition to degrade older browsers +else +{ + //.. mac/ie5 and anything else that gets this far + //if there's an existing onload function + if(typeof window.onload == 'function') + { + //store it + var existing = onload; + //add new onload handler + window.onload = function() + { + //call existing onload function + existing(); + //call generic onload function + generic(); + }; + } + else + { + //setup onload function + window.onload = generic; + } +} + + +if (checkIfSVGavailable) { + checkifSVGavailable = false; + nd = isSVGavailable(); + ASnoSVG = nd!=null; +} diff --git a/main/inc/lib/fckeditor/editor/plugins/asciisvg/d.svg b/main/inc/lib/fckeditor/editor/plugins/asciisvg/d.svg new file mode 100644 index 0000000000..7403c650c8 --- /dev/null +++ b/main/inc/lib/fckeditor/editor/plugins/asciisvg/d.svg @@ -0,0 +1,8 @@ + + + + diff --git a/main/inc/lib/fckeditor/editor/plugins/asciisvg/fck_asciisvg.html b/main/inc/lib/fckeditor/editor/plugins/asciisvg/fck_asciisvg.html index 1980d84f00..c4829cf756 100644 --- a/main/inc/lib/fckeditor/editor/plugins/asciisvg/fck_asciisvg.html +++ b/main/inc/lib/fckeditor/editor/plugins/asciisvg/fck_asciisvg.html @@ -2,7 +2,7 @@