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							- /**
 
-  * Word wrapping
 
-  * 
 
-  * @author (Javascript) Dmitry Farafonov
 
-  */
 
- 		var AttributedStringIterator = function(text){
 
- 				//this.text = this.rtrim(this.ltrim(text));
 
- 				text = text.replace(/(\s)+/, " ");
 
- 				this.text = this.rtrim(text);
 
- 				/*
 
- 				if (beginIndex < 0 || beginIndex > endIndex || endIndex > length()) {
 
- 					throw new IllegalArgumentException("Invalid substring range");
 
- 				}
 
- 				*/
 
- 				this.beginIndex = 0;
 
- 				this.endIndex = this.text.length;
 
- 				this.currentIndex = this.beginIndex;
 
- 				
 
- 				//console.group("[AttributedStringIterator]");
 
- 				var i = 0;
 
- 				var string = this.text;
 
- 				var fullPos = 0;
 
- 				
 
- 				//console.log("string: \"" + string + "\", length: " + string.length);
 
- 				this.startWordOffsets = [];
 
- 				this.startWordOffsets.push(fullPos);
 
- 				
 
- 				// TODO: remove i 1000
 
- 				while (i<1000) {
 
- 					var pos = string.search(/[ \t\n\f-\.\,]/);
 
- 					if (pos == -1)
 
- 						break;
 
- 					
 
- 					// whitespace start
 
- 					fullPos += pos;
 
- 					string = string.substr(pos);
 
- 					////console.log("fullPos: " + fullPos + ", pos: " + pos +  ", string: ", string);
 
- 					
 
- 					// remove whitespaces
 
- 					var pos = string.search(/[^ \t\n\f-\.\,]/);
 
- 					if (pos == -1)
 
- 						break;
 
- 						
 
- 					// whitespace end
 
- 					fullPos += pos;
 
- 					string = string.substr(pos);
 
- 					
 
- 					////console.log("fullPos: " + fullPos);
 
- 					this.startWordOffsets.push(fullPos);
 
- 					
 
- 					i++;
 
- 				}
 
- 				//console.log("startWordOffsets: ", this.startWordOffsets);
 
- 				//console.groupEnd();
 
- 			};
 
- 			AttributedStringIterator.prototype = {
 
- 				getEndIndex: function(pos){
 
- 					if (typeof(pos) == "undefined")
 
- 						return this.endIndex;
 
- 						
 
- 					var string = this.text.substr(pos, this.endIndex - pos);
 
- 					
 
- 					var posEndOfLine = string.search(/[\n]/);
 
- 					if (posEndOfLine == -1)
 
- 						return this.endIndex;
 
- 					else
 
- 						return pos + posEndOfLine;
 
- 				},
 
- 				getBeginIndex: function(){
 
- 					return this.beginIndex;
 
- 				},
 
- 				isWhitespace: function(pos){
 
- 					var str = this.text[pos];
 
- 					var whitespaceChars = " \t\n\f";
 
- 					
 
- 					return (whitespaceChars.indexOf(str) != -1);
 
- 				},
 
- 				isNewLine: function(pos){
 
- 					var str = this.text[pos];
 
- 					var whitespaceChars = "\n";
 
- 					
 
- 					return (whitespaceChars.indexOf(str) != -1);
 
- 				},
 
- 				preceding: function(pos){
 
- 					//console.group("[AttributedStringIterator.preceding]");
 
- 					for(var i in this.startWordOffsets) {
 
- 						var startWordOffset = this.startWordOffsets[i];
 
- 						if (pos < startWordOffset && i>0) {
 
- 							//console.log("startWordOffset: " + this.startWordOffsets[i-1]);
 
- 							//console.groupEnd();
 
- 							return this.startWordOffsets[i-1];
 
- 						}
 
- 					}
 
- 					//console.log("pos: " + pos);
 
- 					//console.groupEnd();
 
- 					return this.startWordOffsets[i];
 
- 				},
 
- 				following: function(pos){
 
- 					//console.group("[AttributedStringIterator.following]");
 
- 					for(var i in this.startWordOffsets) {
 
- 						var startWordOffset = this.startWordOffsets[i];
 
- 						if (pos < startWordOffset && i>0) {
 
- 							//console.log("startWordOffset: " + this.startWordOffsets[i]);
 
- 							//console.groupEnd();
 
- 							return this.startWordOffsets[i];
 
- 						}
 
- 					}
 
- 					//console.log("pos: " + pos);
 
- 					//console.groupEnd();
 
- 					return this.startWordOffsets[i];
 
- 				},
 
- 				ltrim: function(str){
 
- 					var patt2=/^\s+/g;
 
- 					return str.replace(patt2, "");
 
- 				}, 
 
- 				rtrim: function(str){
 
- 					var patt2=/\s+$/g;
 
- 					return str.replace(patt2, "");
 
- 				},
 
- 				getLayout: function(start, limit){
 
- 					return this.text.substr(start, limit - start);
 
- 				},
 
- 				getCharAtPos: function(pos) {
 
- 					return this.text[pos];
 
- 				}
 
- 			};
 
- 		var LineBreakMeasurer = function(paper, x, y, text, fontAttrs){
 
- 				this.paper = paper;
 
- 				this.text = new AttributedStringIterator(text);
 
- 				this.fontAttrs = fontAttrs;
 
- 				
 
- 				if (this.text.getEndIndex() - this.text.getBeginIndex() < 1) {
 
- 					throw {message: "Text must contain at least one character.", code: "IllegalArgumentException"};
 
- 				}
 
- 				
 
- 				//this.measurer = new TextMeasurer(paper, this.text, this.fontAttrs);
 
- 				this.limit = this.text.getEndIndex();
 
- 				this.pos = this.start = this.text.getBeginIndex();
 
- 				
 
- 				this.rafaelTextObject = this.paper.text(x, y, this.text.text).attr(fontAttrs).attr("text-anchor", "start");
 
- 				this.svgTextObject = this.rafaelTextObject[0];
 
- 			};
 
- 			LineBreakMeasurer.prototype = {
 
- 				nextOffset: function(wrappingWidth, offsetLimit, requireNextWord) {
 
- 					//console.group("[nextOffset]");
 
- 					var nextOffset = this.pos;
 
- 					if (this.pos < this.limit) {
 
- 						if (offsetLimit <= this.pos) {
 
- 							throw {message: "offsetLimit must be after current position", code: "IllegalArgumentException"};
 
- 						}
 
- 						
 
- 						var charAtMaxAdvance = this.getLineBreakIndex(this.pos, wrappingWidth);
 
- 						//charAtMaxAdvance --;
 
- 						//console.log("charAtMaxAdvance:", charAtMaxAdvance, ", [" + this.text.getCharAtPos(charAtMaxAdvance) + "]");
 
- 						
 
- 						if (charAtMaxAdvance == this.limit) {
 
- 							nextOffset = this.limit;
 
- 							//console.log("charAtMaxAdvance == this.limit");
 
- 						} else if (this.text.isNewLine(charAtMaxAdvance)) {
 
- 							//console.log("isNewLine");
 
- 							nextOffset = charAtMaxAdvance+1;
 
- 						} else if (this.text.isWhitespace(charAtMaxAdvance)) {
 
- 							// TODO: find next noSpaceChar
 
- 							//return nextOffset;
 
- 							nextOffset = this.text.following(charAtMaxAdvance);
 
- 						} else {
 
- 							// Break is in a word;  back up to previous break.
 
- 							/*
 
- 							var testPos = charAtMaxAdvance + 1;
 
- 							if (testPos == this.limit) {
 
- 								console.error("hbz...");
 
- 							} else {
 
- 								nextOffset = this.text.preceding(charAtMaxAdvance);
 
- 							}
 
- 							*/
 
- 							nextOffset = this.text.preceding(charAtMaxAdvance);
 
- 							
 
- 							if (nextOffset <= this.pos) {
 
- 								nextOffset = Math.max(this.pos+1, charAtMaxAdvance);
 
- 							}
 
- 						}
 
- 					}
 
- 					if (nextOffset > offsetLimit) {
 
- 						nextOffset = offsetLimit;
 
- 					}
 
- 					//console.log("nextOffset: " + nextOffset);
 
- 					//console.groupEnd();
 
- 					return nextOffset;
 
- 				},
 
- 				nextLayout: function(wrappingWidth) {
 
- 					//console.groupCollapsed("[nextLayout]");
 
- 					if (this.pos < this.limit) {
 
- 						var requireNextWord = false;
 
- 						var layoutLimit = this.nextOffset(wrappingWidth, this.limit, requireNextWord);
 
- 						//console.log("layoutLimit:", layoutLimit);
 
- 						if (layoutLimit == this.pos) {
 
- 							//console.groupEnd();
 
- 							return null;
 
- 						}
 
- 						var result = this.text.getLayout(this.pos, layoutLimit);
 
- 						//console.log("layout: \"" + result + "\"");
 
- 						
 
- 						// remove end of line
 
- 						
 
- 						//var posEndOfLine = this.text.getEndIndex(this.pos);
 
- 						//if (posEndOfLine < result.length)
 
- 						//	result = result.substr(0, posEndOfLine);
 
- 						
 
- 						this.pos = layoutLimit;
 
- 						
 
- 						//console.groupEnd();
 
- 						return result;
 
- 					} else {
 
- 						//console.groupEnd();
 
- 						return null;
 
- 					}
 
- 				},
 
- 				getLineBreakIndex: function(pos, wrappingWidth) {
 
- 					//console.group("[getLineBreakIndex]");
 
- 					//console.log("pos:"+pos + ", text: \""+ this.text.text.replace(/\n/g, "_").substr(pos, 1) + "\"");
 
- 					
 
- 					var bb = this.rafaelTextObject.getBBox();
 
- 					
 
- 					var charNum = -1;
 
- 					try {
 
- 						var svgPoint = this.svgTextObject.getStartPositionOfChar(pos);
 
- 						//var dot = this.paper.ellipse(svgPoint.x, svgPoint.y, 1, 1).attr({"stroke-width": 0, fill: Color.blue});
 
- 						svgPoint.x = svgPoint.x + wrappingWidth;
 
- 						//svgPoint.y = bb.y;
 
- 						//console.log("svgPoint:", svgPoint);
 
- 					
 
- 						//var dot = this.paper.ellipse(svgPoint.x, svgPoint.y, 1, 1).attr({"stroke-width": 0, fill: Color.red});
 
- 					
 
- 						charNum = this.svgTextObject.getCharNumAtPosition(svgPoint);
 
- 					} catch (e){
 
- 						console.warn("getStartPositionOfChar error, pos:" + pos);
 
- 						/*
 
- 						var testPos = pos + 1;
 
- 						if (testPos < this.limit) {
 
- 							return testPos
 
- 						}
 
- 						*/
 
- 					}
 
- 					//console.log("charNum:", charNum);
 
- 					if (charNum == -1) {
 
- 						//console.groupEnd();
 
- 						return this.text.getEndIndex(pos);
 
- 					} else {
 
- 						// When case there is new line between pos and charnum then use this new line
 
- 						var newLineIndex = this.text.getEndIndex(pos);
 
- 						if (newLineIndex < charNum ) {
 
- 							console.log("newLineIndex <= charNum, newLineIndex:"+newLineIndex+", charNum:"+charNum, "\"" + this.text.text.substr(newLineIndex+1).replace(/\n/g, "?") + "\"");
 
- 							//console.groupEnd();
 
- 							
 
- 							return newLineIndex;
 
- 						}
 
- 							
 
- 						//var charAtMaxAdvance  = this.text.text.substring(charNum, charNum + 1);
 
- 						var charAtMaxAdvance  = this.text.getCharAtPos(charNum);
 
- 						//console.log("!!charAtMaxAdvance: " + charAtMaxAdvance);
 
- 						//console.groupEnd();
 
- 						return charNum;
 
- 					}
 
- 				}, 
 
- 				getPosition: function() {
 
- 					return this.pos;
 
- 				}
 
- 			};
 
 
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