| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283 |
- /* ***** BEGIN LICENSE BLOCK *****
- * Distributed under the BSD license:
- *
- * Copyright (c) 2010, Ajax.org B.V.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Ajax.org B.V. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ***** END LICENSE BLOCK ***** */
- define(function(require, exports, module) {
- "use strict";
- var dom = require("../lib/dom");
- var oop = require("../lib/oop");
- var lang = require("../lib/lang");
- var EventEmitter = require("../lib/event_emitter").EventEmitter;
- var Gutter = function(parentEl) {
- this.element = dom.createElement("div");
- this.element.className = "ace_layer ace_gutter-layer";
- parentEl.appendChild(this.element);
- this.setShowFoldWidgets(this.$showFoldWidgets);
-
- this.gutterWidth = 0;
- this.$annotations = [];
- this.$updateAnnotations = this.$updateAnnotations.bind(this);
- this.$cells = [];
- };
- (function() {
- oop.implement(this, EventEmitter);
- this.setSession = function(session) {
- if (this.session)
- this.session.removeEventListener("change", this.$updateAnnotations);
- this.session = session;
- if (session)
- session.on("change", this.$updateAnnotations);
- };
- this.addGutterDecoration = function(row, className){
- if (window.console)
- console.warn && console.warn("deprecated use session.addGutterDecoration");
- this.session.addGutterDecoration(row, className);
- };
- this.removeGutterDecoration = function(row, className){
- if (window.console)
- console.warn && console.warn("deprecated use session.removeGutterDecoration");
- this.session.removeGutterDecoration(row, className);
- };
- this.setAnnotations = function(annotations) {
- // iterate over sparse array
- this.$annotations = [];
- for (var i = 0; i < annotations.length; i++) {
- var annotation = annotations[i];
- var row = annotation.row;
- var rowInfo = this.$annotations[row];
- if (!rowInfo)
- rowInfo = this.$annotations[row] = {text: []};
-
- var annoText = annotation.text;
- annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || "";
- if (rowInfo.text.indexOf(annoText) === -1)
- rowInfo.text.push(annoText);
- var type = annotation.type;
- if (type == "error")
- rowInfo.className = " ace_error";
- else if (type == "warning" && rowInfo.className != " ace_error")
- rowInfo.className = " ace_warning";
- else if (type == "info" && (!rowInfo.className))
- rowInfo.className = " ace_info";
- }
- };
- this.$updateAnnotations = function (delta) {
- if (!this.$annotations.length)
- return;
- var firstRow = delta.start.row;
- var len = delta.end.row - firstRow;
- if (len === 0) {
- // do nothing
- } else if (delta.action == 'remove') {
- this.$annotations.splice(firstRow, len + 1, null);
- } else {
- var args = new Array(len + 1);
- args.unshift(firstRow, 1);
- this.$annotations.splice.apply(this.$annotations, args);
- }
- };
- this.update = function(config) {
- var session = this.session;
- var firstRow = config.firstRow;
- var lastRow = Math.min(config.lastRow + config.gutterOffset, // needed to compensate for hor scollbar
- session.getLength() - 1);
- var fold = session.getNextFoldLine(firstRow);
- var foldStart = fold ? fold.start.row : Infinity;
- var foldWidgets = this.$showFoldWidgets && session.foldWidgets;
- var breakpoints = session.$breakpoints;
- var decorations = session.$decorations;
- var firstLineNumber = session.$firstLineNumber;
- var lastLineNumber = 0;
-
- var gutterRenderer = session.gutterRenderer || this.$renderer;
- var cell = null;
- var index = -1;
- var row = firstRow;
- while (true) {
- if (row > foldStart) {
- row = fold.end.row + 1;
- fold = session.getNextFoldLine(row, fold);
- foldStart = fold ? fold.start.row : Infinity;
- }
- if (row > lastRow) {
- while (this.$cells.length > index + 1) {
- cell = this.$cells.pop();
- this.element.removeChild(cell.element);
- }
- break;
- }
- cell = this.$cells[++index];
- if (!cell) {
- cell = {element: null, textNode: null, foldWidget: null};
- cell.element = dom.createElement("div");
- cell.textNode = document.createTextNode('');
- cell.element.appendChild(cell.textNode);
- this.element.appendChild(cell.element);
- this.$cells[index] = cell;
- }
- var className = "ace_gutter-cell ";
- if (breakpoints[row])
- className += breakpoints[row];
- if (decorations[row])
- className += decorations[row];
- if (this.$annotations[row])
- className += this.$annotations[row].className;
- if (cell.element.className != className)
- cell.element.className = className;
- var height = session.getRowLength(row) * config.lineHeight + "px";
- if (height != cell.element.style.height)
- cell.element.style.height = height;
- if (foldWidgets) {
- var c = foldWidgets[row];
- // check if cached value is invalidated and we need to recompute
- if (c == null)
- c = foldWidgets[row] = session.getFoldWidget(row);
- }
- if (c) {
- if (!cell.foldWidget) {
- cell.foldWidget = dom.createElement("span");
- cell.element.appendChild(cell.foldWidget);
- }
- var className = "ace_fold-widget ace_" + c;
- if (c == "start" && row == foldStart && row < fold.end.row)
- className += " ace_closed";
- else
- className += " ace_open";
- if (cell.foldWidget.className != className)
- cell.foldWidget.className = className;
- var height = config.lineHeight + "px";
- if (cell.foldWidget.style.height != height)
- cell.foldWidget.style.height = height;
- } else {
- if (cell.foldWidget) {
- cell.element.removeChild(cell.foldWidget);
- cell.foldWidget = null;
- }
- }
-
- var text = lastLineNumber = gutterRenderer
- ? gutterRenderer.getText(session, row)
- : row + firstLineNumber;
- if (text != cell.textNode.data)
- cell.textNode.data = text;
- row++;
- }
- this.element.style.height = config.minHeight + "px";
- if (this.$fixedWidth || session.$useWrapMode)
- lastLineNumber = session.getLength() + firstLineNumber;
- var gutterWidth = gutterRenderer
- ? gutterRenderer.getWidth(session, lastLineNumber, config)
- : lastLineNumber.toString().length * config.characterWidth;
- gutterWidth += 6; // add some padding
- this.gutterWidth = gutterWidth;
- this.element.style.width = Math.ceil(this.gutterWidth) + "px";
- this._emit("changeGutterWidth", gutterWidth);
- };
- this.$fixedWidth = false;
-
- this.$showLineNumbers = true;
- this.$renderer = "";
- this.setShowLineNumbers = function(show) {
- this.$renderer = !show && {
- getWidth: function() {return ""},
- getText: function() {return ""}
- };
- };
-
- this.getShowLineNumbers = function() {
- return this.$showLineNumbers;
- };
-
- this.$showFoldWidgets = true;
- this.setShowFoldWidgets = function(show) {
- if (show)
- dom.addCssClass(this.element, "ace_folding-enabled");
- else
- dom.removeCssClass(this.element, "ace_folding-enabled");
- this.$showFoldWidgets = show;
- this.$padding = null;
- };
-
- this.getShowFoldWidgets = function() {
- return this.$showFoldWidgets;
- };
- this.$computePadding = function() {
- if (!this.element.firstChild)
- return {left: 0, right: 0};
- var style = dom.computedStyle(this.element.firstChild);
- this.$padding = {};
- this.$padding.left = parseInt(style.paddingLeft) + 1 || 0;
- this.$padding.right = parseInt(style.paddingRight) || 0;
- return this.$padding;
- };
- this.getRegion = function(point) {
- var padding = this.$padding || this.$computePadding();
- var rect = this.element.getBoundingClientRect();
- if (point.x < padding.left + rect.left)
- return "markers";
- if (this.$showFoldWidgets && point.x > rect.right - padding.right)
- return "foldWidgets";
- };
- }).call(Gutter.prototype);
- exports.Gutter = Gutter;
- });
|