--- /dev/null
+/****\r
+ * This page contains some general usefull functions for javascript\r
+ *\r
+ ****/ \r
+ \r
+ \r
+ // need to redefine this functiondue to IE problem\r
+ function getAttribute( elm, aName ) {\r
+ var aValue,taName,i;\r
+ try{\r
+ aValue = elm.getAttribute( aName );\r
+ }catch(exept){}\r
+ \r
+ if( ! aValue ){\r
+ for( i = 0; i < elm.attributes.length; i ++ ) {\r
+ taName = elm.attributes[i] .name.toLowerCase();\r
+ if( taName == aName ) {\r
+ aValue = elm.attributes[i] .value;\r
+ return aValue;\r
+ }\r
+ }\r
+ }\r
+ return aValue;\r
+ };\r
+ \r
+ // need to redefine this function due to IE problem\r
+ function setAttribute( elm, attr, val ) {\r
+ if(attr=="class"){\r
+ elm.setAttribute("className", val);\r
+ elm.setAttribute("class", val);\r
+ }else{\r
+ elm.setAttribute(attr, val);\r
+ }\r
+ };\r
+ \r
+ /* return a child element\r
+ elem: element we are searching in\r
+ elem_type: type of the eleemnt we are searching (DIV, A, etc...)\r
+ elem_attribute: attribute of the searched element that must match\r
+ elem_attribute_match: value that elem_attribute must match\r
+ option: "all" if must return an array of all children, otherwise return the first match element\r
+ depth: depth of search (-1 or no set => unlimited)\r
+ */\r
+ function getChildren(elem, elem_type, elem_attribute, elem_attribute_match, option, depth)\r
+ { \r
+ if(!option)\r
+ var option="single";\r
+ if(!depth)\r
+ var depth=-1;\r
+ if(elem){\r
+ var children= elem.childNodes;\r
+ var result=null;\r
+ var results= [];\r
+ for (var x=0;x<children.length;x++) {\r
+ strTagName = new String(children[x].tagName);\r
+ children_class="?";\r
+ if(strTagName!= "undefined"){\r
+ child_attribute= getAttribute(children[x],elem_attribute);\r
+ if((strTagName.toLowerCase()==elem_type.toLowerCase() || elem_type=="") && (elem_attribute=="" || child_attribute==elem_attribute_match)){\r
+ if(option=="all"){\r
+ results.push(children[x]);\r
+ }else{\r
+ return children[x];\r
+ }\r
+ }\r
+ if(depth!=0){\r
+ result=getChildren(children[x], elem_type, elem_attribute, elem_attribute_match, option, depth-1);\r
+ if(option=="all"){\r
+ if(result.length>0){\r
+ results= results.concat(result);\r
+ }\r
+ }else if(result!=null){ \r
+ return result;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ if(option=="all")\r
+ return results;\r
+ }\r
+ return null;\r
+ }; \r
+ \r
+ function isChildOf(elem, parent){\r
+ if(elem){\r
+ if(elem==parent)\r
+ return true;\r
+ while(elem.parentNode != 'undefined'){\r
+ return isChildOf(elem.parentNode, parent);\r
+ }\r
+ }\r
+ return false;\r
+ };\r
+ \r
+ function getMouseX(e){\r
+\r
+ if(e!=null && typeof(e.pageX)!="undefined"){\r
+ return e.pageX;\r
+ }else{\r
+ return (e!=null?e.x:event.x)+ document.documentElement.scrollLeft;\r
+ }\r
+ };\r
+ \r
+ function getMouseY(e){\r
+ if(e!=null && typeof(e.pageY)!="undefined"){\r
+ return e.pageY;\r
+ }else{\r
+ return (e!=null?e.y:event.y)+ document.documentElement.scrollTop;\r
+ }\r
+ };\r
+ \r
+ function calculeOffsetLeft(r){\r
+ return calculeOffset(r,"offsetLeft")\r
+ };\r
+ \r
+ function calculeOffsetTop(r){\r
+ return calculeOffset(r,"offsetTop")\r
+ };\r
+ \r
+ function calculeOffset(element,attr){\r
+ var offset=0;\r
+ while(element){\r
+ offset+=element[attr];\r
+ element=element.offsetParent\r
+ }\r
+ return offset;\r
+ };\r
+ \r
+ /** return the computed style\r
+ * @param: elem: the reference to the element\r
+ * @param: prop: the name of the css property \r
+ */\r
+ function get_css_property(elem, prop)\r
+ {\r
+ if(document.defaultView)\r
+ {\r
+ return document.defaultView.getComputedStyle(elem, null).getPropertyValue(prop);\r
+ }\r
+ else if(elem.currentStyle)\r
+ {\r
+ var prop = prop.replace(/-\D/gi, function(sMatch)\r
+ {\r
+ return sMatch.charAt(sMatch.length - 1).toUpperCase();\r
+ });\r
+ return elem.currentStyle[prop];\r
+ }\r
+ else return null;\r
+ }\r
+ \r
+/****\r
+ * Moving an element \r
+ ***/ \r
+ \r
+ var _mCE; // currently moving element\r
+ \r
+ /* allow to move an element in a window\r
+ e: the event\r
+ id: the id of the element\r
+ frame: the frame of the element \r
+ ex of use:\r
+ in html: <img id='move_area_search_replace' onmousedown='return parent.start_move_element(event,"area_search_replace", parent.frames["this_frame_id"]);' .../> \r
+ or\r
+ in javascript: document.getElementById("my_div").onmousedown= start_move_element\r
+ */\r
+ function start_move_element(e, id, frame){\r
+ var elem_id=(e.target || e.srcElement).id;\r
+ if(id)\r
+ elem_id=id; \r
+ if(!frame)\r
+ frame=window;\r
+ if(frame.event)\r
+ e=frame.event;\r
+ \r
+ _mCE= frame.document.getElementById(elem_id);\r
+ _mCE.frame=frame;\r
+ frame.document.onmousemove= move_element;\r
+ frame.document.onmouseup= end_move_element;\r
+ /*_mCE.onmousemove= move_element;\r
+ _mCE.onmouseup= end_move_element;*/\r
+ \r
+ //alert(_mCE.frame.document.body.offsetHeight);\r
+ \r
+ mouse_x= getMouseX(e);\r
+ mouse_y= getMouseY(e);\r
+ //window.status=frame+ " elem: "+elem_id+" elem: "+ _mCE + " mouse_x: "+mouse_x;\r
+ _mCE.start_pos_x = mouse_x - (_mCE.style.left.replace("px","") || calculeOffsetLeft(_mCE));\r
+ _mCE.start_pos_y = mouse_y - (_mCE.style.top.replace("px","") || calculeOffsetTop(_mCE));\r
+ return false;\r
+ };\r
+ \r
+ function end_move_element(e){\r
+ _mCE.frame.document.onmousemove= "";\r
+ _mCE.frame.document.onmouseup= ""; \r
+ _mCE=null;\r
+ };\r
+ \r
+ function move_element(e){\r
+ var newTop,newLeft,maxLeft;\r
+\r
+ if( _mCE.frame && _mCE.frame.event )\r
+ e=_mCE.frame.event;\r
+ newTop = getMouseY(e) - _mCE.start_pos_y;\r
+ newLeft = getMouseX(e) - _mCE.start_pos_x;\r
+ \r
+ maxLeft = _mCE.frame.document.body.offsetWidth- _mCE.offsetWidth;\r
+ max_top = _mCE.frame.document.body.offsetHeight- _mCE.offsetHeight;\r
+ newTop = Math.min(Math.max(0, newTop), max_top);\r
+ newLeft = Math.min(Math.max(0, newLeft), maxLeft);\r
+ \r
+ _mCE.style.top = newTop+"px";\r
+ _mCE.style.left = newLeft+"px"; \r
+ return false;\r
+ };\r
+ \r
+/***\r
+ * Managing a textarea (this part need the navigator infos from editAreaLoader\r
+ ***/ \r
+ \r
+ var nav= editAreaLoader.nav;\r
+ \r
+ // allow to get infos on the selection: array(start, end)\r
+ function getSelectionRange(textarea){\r
+ return {"start": textarea.selectionStart, "end": textarea.selectionEnd};\r
+ };\r
+ \r
+ // allow to set the selection\r
+ function setSelectionRange(t, start, end){\r
+ t.focus();\r
+ \r
+ start = Math.max(0, Math.min(t.value.length, start));\r
+ end = Math.max(start, Math.min(t.value.length, end));\r
+ \r
+ if( this.isOpera && this.isOpera < 9.6 ){ // Opera bug when moving selection start and selection end\r
+ t.selectionEnd = 1; \r
+ t.selectionStart = 0; \r
+ t.selectionEnd = 1; \r
+ t.selectionStart = 0; \r
+ }\r
+ t.selectionStart = start;\r
+ t.selectionEnd = end; \r
+ //textarea.setSelectionRange(start, end);\r
+ \r
+ if(isIE)\r
+ set_IE_selection(t);\r
+ };\r
+\r
+ \r
+ // set IE position in Firefox mode (textarea.selectionStart and textarea.selectionEnd). should work as a repeated task\r
+ function get_IE_selection(t){\r
+ var d=document,div,range,stored_range,elem,scrollTop,relative_top,line_start,line_nb,range_start,range_end,tab;\r
+ if(t && t.focused)\r
+ { \r
+ if(!t.ea_line_height)\r
+ { // calculate the lineHeight\r
+ div= d.createElement("div");\r
+ div.style.fontFamily= get_css_property(t, "font-family");\r
+ div.style.fontSize= get_css_property(t, "font-size");\r
+ div.style.visibility= "hidden"; \r
+ div.innerHTML="0";\r
+ d.body.appendChild(div);\r
+ t.ea_line_height= div.offsetHeight;\r
+ d.body.removeChild(div);\r
+ }\r
+ //t.focus();\r
+ range = d.selection.createRange();\r
+ try\r
+ {\r
+ stored_range = range.duplicate();\r
+ stored_range.moveToElementText( t );\r
+ stored_range.setEndPoint( 'EndToEnd', range );\r
+ if(stored_range.parentElement() == t){\r
+ // the range don't take care of empty lines in the end of the selection\r
+ elem = t;\r
+ scrollTop = 0;\r
+ while(elem.parentNode){\r
+ scrollTop+= elem.scrollTop;\r
+ elem = elem.parentNode;\r
+ }\r
+ \r
+ // var scrollTop= t.scrollTop + document.body.scrollTop;\r
+ \r
+ // var relative_top= range.offsetTop - calculeOffsetTop(t) + scrollTop;\r
+ relative_top= range.offsetTop - calculeOffsetTop(t)+ scrollTop;\r
+ // alert("rangeoffset: "+ range.offsetTop +"\ncalcoffsetTop: "+ calculeOffsetTop(t) +"\nrelativeTop: "+ relative_top);\r
+ line_start = Math.round((relative_top / t.ea_line_height) +1);\r
+ \r
+ line_nb = Math.round(range.boundingHeight / t.ea_line_height);\r
+ \r
+ range_start = stored_range.text.length - range.text.length;\r
+ tab = t.value.substr(0, range_start).split("\n"); \r
+ range_start += (line_start - tab.length)*2; // add missing empty lines to the selection\r
+ t.selectionStart = range_start;\r
+ \r
+ range_end = t.selectionStart + range.text.length;\r
+ tab = t.value.substr(0, range_start + range.text.length).split("\n"); \r
+ range_end += (line_start + line_nb - 1 - tab.length)*2;\r
+ t.selectionEnd = range_end;\r
+ }\r
+ }\r
+ catch(e){}\r
+ }\r
+ setTimeout("get_IE_selection(document.getElementById('"+ t.id +"'));", 50);\r
+ };\r
+ \r
+ function IE_textarea_focus(){\r
+ event.srcElement.focused= true;\r
+ }\r
+ \r
+ function IE_textarea_blur(){\r
+ event.srcElement.focused= false;\r
+ }\r
+ \r
+ // select the text for IE (take into account the \r difference)\r
+ function set_IE_selection( t ){\r
+ var nbLineStart,nbLineStart,nbLineEnd,range;\r
+ if(!window.closed){ \r
+ nbLineStart=t.value.substr(0, t.selectionStart).split("\n").length - 1;\r
+ nbLineEnd=t.value.substr(0, t.selectionEnd).split("\n").length - 1;\r
+ try\r
+ {\r
+ range = document.selection.createRange();\r
+ range.moveToElementText( t );\r
+ range.setEndPoint( 'EndToStart', range );\r
+ range.moveStart('character', t.selectionStart - nbLineStart);\r
+ range.moveEnd('character', t.selectionEnd - nbLineEnd - (t.selectionStart - nbLineStart) );\r
+ range.select();\r
+ }\r
+ catch(e){}\r
+ }\r
+ };\r
+ \r
+ \r
+ editAreaLoader.waiting_loading["elements_functions.js"]= "loaded";\r
fnp / redakcja.git / blobdiff