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User:Proteins/quickdiffs.js: Difference between revisions

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fix the code for printing the results after the summary
m Maintenance: Fixing deprecated call to addPortletLink (mw:ResourceLoader/Migration_guide_(users)#addPortletLink)
 
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Line 1:
//<pre>
// Summarizes the differences between two page versions in pop-up windows
// Perhaps calculate fractional change in document?
//
// To use this script, add "importScript('User:Proteins/quickdiffs.js');" to your monobook.js subpage
// under your user page, as you can see at User:Proteins/monobook.js
 
 
function quickDiffs() {
Line 38 ⟶ 42:
var diff_new_version_info; //className = "diff-ntitle"
 
var mw_diff_otitle1 = "";
var mw_diff_otitle2 = ""mw_diff_otitle1_child;
var mw_diff_otitle1_grandchild;
var mw_diff_otitle3 = "";
var mw_diff_otitle4mw_diff_otitle1_text = "";
 
var mw_diff_ntitle1 = ""mw_diff_otitle2;
var mw_diff_ntitle2 = ""mw_diff_otitle2_child;
var mw_diff_otitle2_grandchild;
var mw_diff_ntitle3 = "";
var mw_diff_ntitle4mw_diff_otitle2_text = "";
 
var mw_diff_otitle3;
var mw_diff_otitle3_child;
var mw_diff_otitle3_grandchild;
var mw_diff_otitle3_text = "";
 
var mw_diff_otitle4;
var mw_diff_otitle4_child;
var mw_diff_otitle4_grandchild;
var mw_diff_otitle4_text = "";
 
var mw_diff_ntitle1;
var mw_diff_ntitle1_child;
var mw_diff_ntitle1_grandchild;
var mw_diff_ntitle1_text = "";
 
var mw_diff_ntitle2;
var mw_diff_ntitle2_child;
var mw_diff_ntitle2_grandchild;
var mw_diff_ntitle2_text = "";
 
var mw_diff_ntitle3;
var mw_diff_ntitle3_child;
var mw_diff_ntitle3_grandchild;
var mw_diff_ntitle3_text = "";
 
var mw_diff_ntitle4;
var mw_diff_ntitle4_child;
var mw_diff_ntitle4_grandchild;
var mw_diff_ntitle4_text = "";
 
var num_diff_context_lines = 0;
var revisions = "";
var num_revisions = 0;
Line 64 ⟶ 97:
var num_diff_undefined_lines = 0;
 
var num_changes = 0;
var num_additions = 0;
var num_deletions = 0;
var num_replacements = 0;
 
var span_index = 0;
var num_potential_spans = 0;
Line 175 ⟶ 210:
window.alert(alert_string);
return;
} else if (num_diff_table_rows <== 31) {
alert_string = "ERROR: This article has " + num_diff_table_rows +only "one rowsrow (TR elementselement) within its \"diff\" table body.";
alert_string += "AThis \"diff\"shouldn't tablehappen bodyunder shouldordinary havecircumstances; athowever, leastit threesuggests rows.that the two versions are identical\n";
window.alert(alert_string);
return;
}
 
// Get header texts for older version
// Loop over the rows in the difference table
mw_diff_otitle1_text = "";
mw_diff_otitle1 = document.getElementById('mw-diff-otitle1');
if (!mw_diff_otitle1) {
window.alert("ERROR: This article has no element with id \"mw-diff-otitle1\".\n\n");
} else {
mw_diff_otitle1_child = mw_diff_otitle1.firstChild;
if (!mw_diff_otitle1_child) {
window.alert("ERROR: The \"mw-diff-otitle1\" element has no child node.\n\n");
} else {
mw_diff_otitle1_grandchild = mw_diff_otitle1_child.firstChild;
if (!mw_diff_otitle1_grandchild) {
window.alert("ERROR: The \"mw-diff-otitle1\" element has no grandchild node.\n\n");
} else {
mw_diff_otitle1_text = mw_diff_otitle1_grandchild.innerHTML;
} // closes check for grandchild node
} // closes check for child node
} // closes check for mw_diff_otitle1 node
// window.alert("The mw_diff_otitle1_text is " + mw_diff_otitle1_text + "\n");
 
mw_diff_otitle2_text = "";
mw_diff_otitle2 = document.getElementById('mw-diff-otitle2');
if (!mw_diff_otitle2) {
window.alert("ERROR: This article has no element with id \"mw-diff-otitle2\".\n\n");
} else {
mw_diff_otitle2_child = mw_diff_otitle2.firstChild;
if (!mw_diff_otitle2_child) {
window.alert("ERROR: The \"mw-diff-otitle2\" element has no child node.\n\n");
} else {
mw_diff_otitle2_text = mw_diff_otitle2_child.innerHTML;
} // closes check for child node
} // closes check for mw_diff_otitle2 node
// window.alert("The mw_diff_otitle2_text is " + mw_diff_otitle2_text + "\n");
 
mw_diff_otitle3_text = "";
mw_diff_otitle3 = document.getElementById('mw-diff-otitle3');
if (!mw_diff_otitle3) {
window.alert("ERROR: This article has no element with id \"mw-diff-otitle3\".\n\n");
} else {
mw_diff_otitle3_text = mw_diff_otitle3.innerHTML;
mw_diff_otitle3_text = mw_diff_otitle3_text.replace(/&gt;/ig, ">");
mw_diff_otitle3_text = mw_diff_otitle3_text.replace(/&lt;/ig, "<");
mw_diff_otitle3_text = mw_diff_otitle3_text.replace(/(<([^>]+)>)/ig,"");
} // closes check for mw_diff_otitle3 node
// window.alert("The mw_diff_otitle3_text is " + mw_diff_otitle3_text + "\n");
 
// Possibly add code for mw_diff_otitle4 here, but seems unneeded
 
 
// Get header texts for newer version
mw_diff_ntitle1_text = "";
mw_diff_ntitle1 = document.getElementById('mw-diff-ntitle1');
if (!mw_diff_ntitle1) {
window.alert("ERROR: This article has no element with id \"mw-diff-ntitle1\".\n\n");
} else {
mw_diff_ntitle1_child = mw_diff_ntitle1.firstChild;
if (!mw_diff_ntitle1_child) {
window.alert("ERROR: The \"mw-diff-ntitle1\" element has no child node.\n\n");
} else {
mw_diff_ntitle1_grandchild = mw_diff_ntitle1_child.firstChild;
if (!mw_diff_ntitle1_grandchild) {
window.alert("ERROR: The \"mw-diff-ntitle1\" element has no grandchild node.\n\n");
} else {
mw_diff_ntitle1_text = mw_diff_ntitle1_grandchild.innerHTML;
} // closes check for grandchild node
} // closes check for child node
} // closes check for mw_diff_ntitle1 node
// window.alert("The mw_diff_ntitle1_text is " + mw_diff_ntitle1_text + "\n");
 
mw_diff_ntitle2_text = "";
mw_diff_ntitle2 = document.getElementById('mw-diff-ntitle2');
if (!mw_diff_ntitle2) {
window.alert("ERROR: This article has no element with id \"mw-diff-ntitle2\".\n\n");
} else {
mw_diff_ntitle2_child = mw_diff_ntitle2.firstChild;
if (!mw_diff_ntitle2_child) {
window.alert("ERROR: The \"mw-diff-ntitle2\" element has no child node.\n\n");
} else {
mw_diff_ntitle2_text = mw_diff_ntitle2_child.innerHTML;
} // closes check for child node
} // closes check for mw_diff_ntitle2 node
// window.alert("The mw_diff_ntitle2_text is " + mw_diff_ntitle2_text + "\n");
 
mw_diff_ntitle3_text = "";
mw_diff_ntitle3 = document.getElementById('mw-diff-ntitle3');
if (!mw_diff_ntitle3) {
window.alert("ERROR: This article has no element with id \"mw-diff-ntitle3\".\n\n");
} else {
mw_diff_ntitle3_text = mw_diff_ntitle3.innerHTML;
mw_diff_ntitle3_text = mw_diff_ntitle3_text.replace(/&gt;/ig, ">");
mw_diff_ntitle3_text = mw_diff_ntitle3_text.replace(/&lt;/ig, "<");
mw_diff_ntitle3_text = mw_diff_ntitle3_text.replace(/(<([^>]+)>)/ig,"");
} // closes check for mw_diff_ntitle3 node
// window.alert("The mw_diff_ntitle3_text is " + mw_diff_ntitle3_text + "\n");
 
// Possibly add code for mw_diff_ntitle4 here, but seems unneeded
 
 
// Loop over the rows in the difference table
num_alert_strings = 0;
alert_string_list[0] = "NONE";
Line 236 ⟶ 368:
if (!temp_table_datum_text_node) { continue; }
if (temp_table_datum_text_node.nodeType == 3) {
num_revisions = 0; // to flag for errors
temp_table_datum_text = temp_table_datum_text_node.data;
temp_table_datum_text =if (temp_table_datum_text.replacematch(/[^0-9]*\(One/ig, "");) {
num_revisions = 2;
if (temp_table_datum_text) {
} else {
num_revisions = temp_table_datum_text;
temp_table_datum_text = temp_table_datum_text.replace(/[^0-9]*/ig, "");
num_revisions++;
if (temp_table_datum_text) {
num_revisions = temp_table_datum_text;
num_revisions++;
}
}
if (num_revisions == 1) { // should never happen, but...
revisions = "The newer version is separated from the older version by one revision.";
} else {
revisions = "The newer version is separated from the older version by " + num_revisions + " revisions.";
}
} // closes check that the first child node is a text node
}
} else if (temp_table_datum.className == "diff-context") {
num_diff_context_lines++;
Line 266 ⟶ 407:
temp_added_line = temp_added_line.replace(/&nbsp;/ig, " ");
temp_added_line = temp_added_line.replace(/&#160;/ig, " ");
 
temp_added_line = temp_added_line.replace(/\'\'\'/ig, "");
temp_added_line = temp_added_line.replace(/\'\'/ig, "");
temp_added_line = temp_added_line.replace(/\s+/ig, " ");
} else { temp_added_line = ""; }
if (temp_added_line == prev_deleted_line) { num_diff_addedlines = 0; continue; }
if (temp_added_line.replace(/\s/ig, "").length < 1) { num_diff_addedlines = 0; continue; }
 
added_span_nodes = temp_table_datum.getElementsByTagName("SPAN");
if (!added_span_nodes) { num_added_spans = 0; continue; }
Line 305 ⟶ 449:
temp_deleted_line = temp_deleted_line.replace(/&nbsp;/ig, " ");
temp_deleted_line = temp_deleted_line.replace(/&#160;/ig, " ");
 
temp_deleted_line = temp_deleted_line.replace(/\'\'\'/ig, "");
temp_deleted_line = temp_deleted_line.replace(/\'\'/ig, "");
temp_deleted_line = temp_deleted_line.replace(/\s+/ig, " ");
} else { temp_deleted_line = ""; }
if (temp_deleted_line == prev_added_line) { num_diff_addedlines = 0; continue; }
if (temp_deleted_line.replace(/\s/ig, "").length < 1) { num_diff_deletedlines = 0; continue; }
 
deleted_span_nodes = temp_table_datum.getElementsByTagName("SPAN");
if (!deleted_span_nodes) { num_deleted_spans = 0; continue; }
Line 332 ⟶ 479:
} // closes loop over the data within a table row
 
if ((num_diff_addedlines > 0) && (temp_added_line) && (num_diff_deletedlines > 0) && (temp_deleted_line)) {
current_new_line_number++;
current_old_line_number++;
Line 385 ⟶ 532:
current_old_line_number++;
} // closes classification change as addition, deletion or replacement
 
prev_added_line = temp_added_line;
prev_deleted_line = temp_deleted_line;
} // closes loop over the table rows
 
Line 395 ⟶ 539:
alert_string += revisions + "\n\n";
}
alert_stringnum_changes += "The newer version differs by " + num_additions + " additions, " + num_deletions + " deletions, and " + num_replacements + " replacements.\n\n";
if (num_changes == 0) {
alert_string += "These changes will be described on the following " + num_alert_strings + " alert windows.\n";
window.alert( alert_string) += "The two versions are identical.";
window.alert(alert_string);
} else {
alert_string += "The newer version differs by ";
 
if (num_additions == 1) {
alert_string += "one addition";
} else if (num_additions > 1) {
alert_string += num_additions + " additions";
}
if (num_additions>0) {
if (num_additions == num_changes) {
alert_string += ".\n\n";
} else if ((num_deletions == 0) || (num_replacements == 0)) {
alert_string += " and ";
} else {
alert_string += ", ";
}
}
if (num_deletions == 1) {
alert_string += "one deletion";
} else if (num_deletions > 1) {
alert_string += num_deletions + " deletions";
}
if (num_deletions>0) {
if (num_replacements > 0) {
alert_string += " and ";
} else {
alert_string += ".\n\n";
}
}
if (num_replacements == 1) {
alert_string += "one replacement.\n\n";
} else if (num_replacements > 1) {
alert_string += num_replacements + " replacements.\n\n";
}
 
if (num_alert_strings == 1) {
alert_string += "These changes will be described on the following alert window.\n";
} else if (num_alert_strings > 1) {
alert_string += "These changes will be described on the following " + num_alert_strings + " alert windows.\n";
}
 
for (alert_string_index=0; alert_string_index<num_alert_strings; alert_string_index++) {
alert_string = alert_atring_list[alert_string_index];
window.alert(alert_string);
for (alert_string_index=0; alert_string_index<num_alert_strings; alert_string_index++) {
}
alert_string = alert_string_list[alert_string_index];
window.alert(alert_string);
}
} // closes check for zero changes
} // closes function quickDiffs()
addOnloadHook(function () {
mw.util.addPortletLink('p-cactions', 'javascript:quickDiffs()', 'qd', 'ca-diffquickdiff', 'Summarizes the differences between two page versions', 'b', '');
});
Retrieved from "https://en.wikipedia.org/wiki/User:Proteins/quickdiffs.js"