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-rw-r--r--www/wiki/extensions/CodeEditor/modules/ace/ext-elastic_tabstops_lite.js274
1 files changed, 274 insertions, 0 deletions
diff --git a/www/wiki/extensions/CodeEditor/modules/ace/ext-elastic_tabstops_lite.js b/www/wiki/extensions/CodeEditor/modules/ace/ext-elastic_tabstops_lite.js
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+++ b/www/wiki/extensions/CodeEditor/modules/ace/ext-elastic_tabstops_lite.js
@@ -0,0 +1,274 @@
+ace.define("ace/ext/elastic_tabstops_lite",["require","exports","module","ace/editor","ace/config"], function(require, exports, module) {
+"use strict";
+
+var ElasticTabstopsLite = function(editor) {
+ this.$editor = editor;
+ var self = this;
+ var changedRows = [];
+ var recordChanges = false;
+ this.onAfterExec = function() {
+ recordChanges = false;
+ self.processRows(changedRows);
+ changedRows = [];
+ };
+ this.onExec = function() {
+ recordChanges = true;
+ };
+ this.onChange = function(delta) {
+ if (recordChanges) {
+ if (changedRows.indexOf(delta.start.row) == -1)
+ changedRows.push(delta.start.row);
+ if (delta.end.row != delta.start.row)
+ changedRows.push(delta.end.row);
+ }
+ };
+};
+
+(function() {
+ this.processRows = function(rows) {
+ this.$inChange = true;
+ var checkedRows = [];
+
+ for (var r = 0, rowCount = rows.length; r < rowCount; r++) {
+ var row = rows[r];
+
+ if (checkedRows.indexOf(row) > -1)
+ continue;
+
+ var cellWidthObj = this.$findCellWidthsForBlock(row);
+ var cellWidths = this.$setBlockCellWidthsToMax(cellWidthObj.cellWidths);
+ var rowIndex = cellWidthObj.firstRow;
+
+ for (var w = 0, l = cellWidths.length; w < l; w++) {
+ var widths = cellWidths[w];
+ checkedRows.push(rowIndex);
+ this.$adjustRow(rowIndex, widths);
+ rowIndex++;
+ }
+ }
+ this.$inChange = false;
+ };
+
+ this.$findCellWidthsForBlock = function(row) {
+ var cellWidths = [], widths;
+ var rowIter = row;
+ while (rowIter >= 0) {
+ widths = this.$cellWidthsForRow(rowIter);
+ if (widths.length == 0)
+ break;
+
+ cellWidths.unshift(widths);
+ rowIter--;
+ }
+ var firstRow = rowIter + 1;
+ rowIter = row;
+ var numRows = this.$editor.session.getLength();
+
+ while (rowIter < numRows - 1) {
+ rowIter++;
+
+ widths = this.$cellWidthsForRow(rowIter);
+ if (widths.length == 0)
+ break;
+
+ cellWidths.push(widths);
+ }
+
+ return { cellWidths: cellWidths, firstRow: firstRow };
+ };
+
+ this.$cellWidthsForRow = function(row) {
+ var selectionColumns = this.$selectionColumnsForRow(row);
+
+ var tabs = [-1].concat(this.$tabsForRow(row));
+ var widths = tabs.map(function(el) { return 0; } ).slice(1);
+ var line = this.$editor.session.getLine(row);
+
+ for (var i = 0, len = tabs.length - 1; i < len; i++) {
+ var leftEdge = tabs[i]+1;
+ var rightEdge = tabs[i+1];
+
+ var rightmostSelection = this.$rightmostSelectionInCell(selectionColumns, rightEdge);
+ var cell = line.substring(leftEdge, rightEdge);
+ widths[i] = Math.max(cell.replace(/\s+$/g,'').length, rightmostSelection - leftEdge);
+ }
+
+ return widths;
+ };
+
+ this.$selectionColumnsForRow = function(row) {
+ var selections = [], cursor = this.$editor.getCursorPosition();
+ if (this.$editor.session.getSelection().isEmpty()) {
+ if (row == cursor.row)
+ selections.push(cursor.column);
+ }
+
+ return selections;
+ };
+
+ this.$setBlockCellWidthsToMax = function(cellWidths) {
+ var startingNewBlock = true, blockStartRow, blockEndRow, maxWidth;
+ var columnInfo = this.$izip_longest(cellWidths);
+
+ for (var c = 0, l = columnInfo.length; c < l; c++) {
+ var column = columnInfo[c];
+ if (!column.push) {
+ console.error(column);
+ continue;
+ }
+ column.push(NaN);
+
+ for (var r = 0, s = column.length; r < s; r++) {
+ var width = column[r];
+ if (startingNewBlock) {
+ blockStartRow = r;
+ maxWidth = 0;
+ startingNewBlock = false;
+ }
+ if (isNaN(width)) {
+ blockEndRow = r;
+
+ for (var j = blockStartRow; j < blockEndRow; j++) {
+ cellWidths[j][c] = maxWidth;
+ }
+ startingNewBlock = true;
+ }
+
+ maxWidth = Math.max(maxWidth, width);
+ }
+ }
+
+ return cellWidths;
+ };
+
+ this.$rightmostSelectionInCell = function(selectionColumns, cellRightEdge) {
+ var rightmost = 0;
+
+ if (selectionColumns.length) {
+ var lengths = [];
+ for (var s = 0, length = selectionColumns.length; s < length; s++) {
+ if (selectionColumns[s] <= cellRightEdge)
+ lengths.push(s);
+ else
+ lengths.push(0);
+ }
+ rightmost = Math.max.apply(Math, lengths);
+ }
+
+ return rightmost;
+ };
+
+ this.$tabsForRow = function(row) {
+ var rowTabs = [], line = this.$editor.session.getLine(row),
+ re = /\t/g, match;
+
+ while ((match = re.exec(line)) != null) {
+ rowTabs.push(match.index);
+ }
+
+ return rowTabs;
+ };
+
+ this.$adjustRow = function(row, widths) {
+ var rowTabs = this.$tabsForRow(row);
+
+ if (rowTabs.length == 0)
+ return;
+
+ var bias = 0, location = -1;
+ var expandedSet = this.$izip(widths, rowTabs);
+
+ for (var i = 0, l = expandedSet.length; i < l; i++) {
+ var w = expandedSet[i][0], it = expandedSet[i][1];
+ location += 1 + w;
+ it += bias;
+ var difference = location - it;
+
+ if (difference == 0)
+ continue;
+
+ var partialLine = this.$editor.session.getLine(row).substr(0, it );
+ var strippedPartialLine = partialLine.replace(/\s*$/g, "");
+ var ispaces = partialLine.length - strippedPartialLine.length;
+
+ if (difference > 0) {
+ this.$editor.session.getDocument().insertInLine({row: row, column: it + 1}, Array(difference + 1).join(" ") + "\t");
+ this.$editor.session.getDocument().removeInLine(row, it, it + 1);
+
+ bias += difference;
+ }
+
+ if (difference < 0 && ispaces >= -difference) {
+ this.$editor.session.getDocument().removeInLine(row, it + difference, it);
+ bias += difference;
+ }
+ }
+ };
+ this.$izip_longest = function(iterables) {
+ if (!iterables[0])
+ return [];
+ var longest = iterables[0].length;
+ var iterablesLength = iterables.length;
+
+ for (var i = 1; i < iterablesLength; i++) {
+ var iLength = iterables[i].length;
+ if (iLength > longest)
+ longest = iLength;
+ }
+
+ var expandedSet = [];
+
+ for (var l = 0; l < longest; l++) {
+ var set = [];
+ for (var i = 0; i < iterablesLength; i++) {
+ if (iterables[i][l] === "")
+ set.push(NaN);
+ else
+ set.push(iterables[i][l]);
+ }
+
+ expandedSet.push(set);
+ }
+
+
+ return expandedSet;
+ };
+ this.$izip = function(widths, tabs) {
+ var size = widths.length >= tabs.length ? tabs.length : widths.length;
+
+ var expandedSet = [];
+ for (var i = 0; i < size; i++) {
+ var set = [ widths[i], tabs[i] ];
+ expandedSet.push(set);
+ }
+ return expandedSet;
+ };
+
+}).call(ElasticTabstopsLite.prototype);
+
+exports.ElasticTabstopsLite = ElasticTabstopsLite;
+
+var Editor = require("../editor").Editor;
+require("../config").defineOptions(Editor.prototype, "editor", {
+ useElasticTabstops: {
+ set: function(val) {
+ if (val) {
+ if (!this.elasticTabstops)
+ this.elasticTabstops = new ElasticTabstopsLite(this);
+ this.commands.on("afterExec", this.elasticTabstops.onAfterExec);
+ this.commands.on("exec", this.elasticTabstops.onExec);
+ this.on("change", this.elasticTabstops.onChange);
+ } else if (this.elasticTabstops) {
+ this.commands.removeListener("afterExec", this.elasticTabstops.onAfterExec);
+ this.commands.removeListener("exec", this.elasticTabstops.onExec);
+ this.removeListener("change", this.elasticTabstops.onChange);
+ }
+ }
+ }
+});
+
+});
+ (function() {
+ ace.require(["ace/ext/elastic_tabstops_lite"], function() {});
+ })();
+ \ No newline at end of file
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-25 16:15:27 +0000