version 1.2, 2003/05/04 22:14:53
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version 1.4, 2003/05/05 20:43:46
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Line 32 use Apache::lonxml;
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Line 32 use Apache::lonxml;
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use Apache::lonnet; |
use Apache::lonnet; |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::chemresponse',('chemresponse','chemstructure')); |
&Apache::lonxml::register('Apache::chemresponse',('chemresponse','chemstructure','reactionresponse')); |
} |
} |
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sub seperate_jme_window { |
sub seperate_jme_window { |
Line 173 sub end_chemresponse {
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Line 173 sub end_chemresponse {
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} |
} |
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sub start_chemstructure { |
sub start_chemstructure { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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if ($target eq 'web') { |
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my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); |
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my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); |
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my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval); |
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$result=<<CHEMOUTPUT; |
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<applet code="JME.class" archive="/adm/jme/JME.jar" width="$width" height="$height"> |
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<param name="options" value="depict border" /> |
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<param name="jme" value="$molecule" /> |
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</applet> |
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CHEMOUTPUT |
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} elsif ($target eq 'edit') { |
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$result .=&Apache::edit::tag_start($target,$token); |
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$result .=&Apache::edit::text_arg('Width:','width',$token,5); |
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$result .=&Apache::edit::text_arg('Height:','height',$token,5); |
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$result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40); |
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my $molecule=&Apache::lonxml::get_param('molecule',$parstack, |
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$safeeval); |
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$result .=&seperate_jme_window(undef, |
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&Apache::edit::html_element_name('molecule'), |
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$molecule); |
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$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
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} elsif ($target eq 'modified') { |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
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$safeeval,'molecule', |
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'width','height'); |
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if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
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} |
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return $result; |
} |
} |
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sub end_chemstructure { |
sub end_chemstructure { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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if ($target eq "edit") { |
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$result.= &Apache::edit::tag_end($target,$token,''); |
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} |
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return $result; |
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} |
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sub reaction_javascript { |
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my $result=<<REACTIONJAVASCRIPT; |
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<SCRIPT language="JavaScript"> |
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var level; |
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var reactants; |
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var products; |
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function parse_reaction(string) { |
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var reaction_array = string.split('->'); |
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var i; |
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reactants = new Array(0); |
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products = new Array(0); |
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if (reaction_array.length > 0) |
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reactants = reaction_array[0].split(' +'); |
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if (reaction_array.length > 1) |
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products = reaction_array[1].split(' +'); |
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} |
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function to_capa(string) { |
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var reaction = ""; |
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var i; |
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parse_reaction(string); |
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for (i = 0; i < reactants.length; i++) |
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reactants[i] = capa_component(reactants[i]); |
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for (i = 0; i < products.length; i++) |
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products[i] = capa_component(products[i]); |
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reactants.sort(); |
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products.sort(); |
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for (i = 0; i < reactants.length-1; i++) { |
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reaction += reactants[i]; |
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reaction += " + "; |
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} |
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if (i < reactants.length) |
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reaction += reactants[i]; |
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if (products.length > 0) { |
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reaction += " -> "; |
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for (i = 0; i < products.length-1; i++) { |
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reaction += products[i]; |
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reaction += " + "; |
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} |
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if (i < products.length) |
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reaction += products[i]; |
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} |
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return reaction; |
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} |
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function capa_component(string) { |
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var reactant = ""; |
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var i = 0; |
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level = 0; |
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for (;string.substring(i,i+1) == ' ';i++) |
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; |
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for (;isDigit(string.substring(i,i+1));i++) |
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reactant += string.substring(i,i+1); |
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for (;i < string.length;i++) |
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reactant += capa_char(string.substring(i,i+1)); |
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return reactant; |
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} |
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function capa_char(chr) { |
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if (level == 0) { // baseline |
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if (chr == '^') |
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level = 1; |
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if (chr == ' ') |
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return ""; |
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return chr; |
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} |
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if (level == 1) { // superscript |
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if (isDigit(chr)) |
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return chr; |
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level = 0; |
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return chr; |
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} |
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} |
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function to_html(string) { |
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var reaction = ""; |
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var i; |
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parse_reaction(string); |
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for (i = 0; i < reactants.length-1; i++) { |
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reaction += html_component(reactants[i]); |
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reaction += " + "; |
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} |
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if (i < reactants.length) |
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reaction += html_component(reactants[i]); |
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if (products.length > 0) { |
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reaction += " <font face=symbol>®</font> "; |
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for (i = 0; i < products.length-1; i++) { |
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reaction += html_component(products[i]); |
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reaction += " + "; |
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} |
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if (i < products.length) |
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reaction += html_component(products[i]); |
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} |
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return reaction; |
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} |
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function html_component(string) { |
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var reactant = ""; |
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var i = 0; |
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level = 0; |
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for (;string.substring(i,i+1) == ' ';i++) |
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; |
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for (;isDigit(string.substring(i,i+1));i++) |
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reactant += string.substring(i,i+1); |
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for (;i < string.length;i++) |
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reactant += html_char(string.substring(i,i+1)); |
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return reactant; |
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} |
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function html_char(chr) { |
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if (level == 0) { // baseline |
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if (isDigit(chr)) |
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return chr.sub(); |
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if (chr == '^') { |
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level = 1; |
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return ""; |
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} |
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if (chr == '+') // baseline or superscript |
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return "?"; |
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if (chr == ' ') |
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return ""; |
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return chr; |
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} |
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if (level == 1) { // superscript |
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if (isDigit(chr)) |
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return chr.sup(); |
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if (chr == '+' || chr == '-') { |
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level = 0; |
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return chr.sup(); |
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} |
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if (chr == ' ') { |
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level = 0; |
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return ""; |
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} |
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level = 0; |
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return chr; |
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} |
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} |
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function isDigit(string) { |
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if (string >= '0' && string <='9') |
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return 1; |
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else |
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return 0; |
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} |
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function openHelpWindow() { |
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window.open("reaction_help.html","","scrollbars=yes,resizable=yes,width=550,height=600") |
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} |
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function submitReaction() { |
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reaction = to_capa(document.form.text.value); |
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if (reaction == "") { |
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alert("Nothing to submit"); |
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} |
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else { |
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name = "INPUT" + ((problem < 10) ? "0" : "") + problem; |
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i = 0; |
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while (parent.opener.document.CAPA.elements[i].name != name) |
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i++; |
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parent.opener.document.CAPA.elements[i].value = reaction; |
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parent.opener.document.CAPA.submit(); |
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} |
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} |
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</SCRIPT> |
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REACTIONJAVASCRIPT |
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return $result; |
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} |
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sub start_reactionresponse { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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my $id = &Apache::response::start_response($parstack,$safeeval); |
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if ($target eq 'web') { |
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$result.=&reaction_javascript(); |
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# $result.='<iframe name="REACTION_'.$id.'" width="200" height="100" src="/adm/jme/reaction_viewer.html"></iframe>'; |
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$result.='<input type="button" value="Check" onClick = "javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<center><br />\'+to_html(document.lonhomework.HWVAL_'.$id.'.value)+\'</center><input type="button" value=" Close " onClick = "parent.window.close()" />\');newWindow.document.close()" />' |
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} elsif ($target eq "edit") { |
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} |
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return $result; |
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} |
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sub end_reactionresponse { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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if ($target eq "edit") { |
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$result.= &Apache::edit::tag_end($target,$token,''); |
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} |
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&Apache::response::end_response; |
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return $result; |
} |
} |
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1; |
1; |