JavaScript モジュールはサンプルコードを will_javascript スキルにドラッグします-jsチュートリアル-php.cn

コードをコピー コードは次のとおりです:

JavaScript 模块随意拖動 html{ 幅:100%; オーバーフロー-x:非表示; } body{ フォントファミリー: Trebuchet MS、Lucida Sans Unicode、Arial、サンセリフ; 幅:100%; マージン:0px; パディング:0px; text-align:center; 背景色:#E2EBED; フォントサイズ:0.7em; オーバーフロー-x:非表示; }

#mainContainer{ width:600px; マージン:0 自動; text-align:left; 背景色:#FFF; } h4{ マージン:0px; } p{ margin-top:5px; } #dragableElementsParentBox{ padding:10px; }

.smallArticle,.bigArticle{ float:left; ボーダー:1px ソリッド #000; 背景色:#DDD; パディング:2px; margin-right:10px; マージン-ボトム:5px; } .smallArticle img,.bigArticle img{ float:left; パディング:5px; } .smallArticle .rightImage,.bigArticle .rightImage{ float:right; } .smallArticle{ width:274px; } .bigArticle{ width:564px; } .clear{ clear:両方; }

#rectangle{ float:left; ボーダー:1px 点線 #F00; 背景色:#FFF; } #insertionMarker{ width:6px; 位置:絶対; 表示:なし; } #insertionMarker img{ float:left; } #dragDropMoveLayer{ 位置:絶対; 表示:なし; ボーダー:1px ソリッド #000; フィルター:アルファ(不透明度=50); 不透明度:0.5; }

var RectangleBorderWidth = 2; var useRectangle = false; var autoScrollSpeed = 4; function saveData() { var saveString = ""; for(var no=0;no if(saveString.length>0)saveString = saveString ';'; ref = ドラッグ可能なオブジェクト配列[いいえ]; saveString = saveString ref['obj'].id; }

alert(saveString); } varragableElementsParentBox; var opera = navigator.appVersion.indexOf('Opera')>=0?true:false; var RectangleDiv = false; var挿入MarkerDiv = false; var マウス_x; var マウス_y;

var el_x; var el_y; var ドラッグドロップタイマー = -1; varragObject = false; varragObjectNextObj = false; varragableObjectArray = new Array(); var destinationObj = false; var currentDest = false; varallowRectangleMove = true; var挿入MarkerLine; varragDropMoveLayer; var autoScrollActive = false; var documentHeight = false; var documentScrollHeight = false; varragableAreaWidth = false; function getTopPos(inputObj) { var returnValue = inputObj.offsetTop; while((inputObj = inputObj.offsetParent) != null){ if(inputObj.tagName!='HTML')returnValue = inputObj.offsetTop; } return returnValue; }

function getLeftPos(inputObj) { var returnValue = inputObj.offsetLeft; while((inputObj = inputObj.offsetParent) != null){ if(inputObj.tagName!='HTML')returnValue = inputObj.offsetLeft; } return returnValue; }

function cancelSelectionEvent() { if(dragDropTimer>=0)return false; true を返します。 }

function getObjectFromPosition(x,y) { var height =ragObject.offsetHeight; var width =ragObject.offsetWidth; varindexCurrentDragObject=-5; for(var no=0;no ref =ragableObjectArray[no]; if(ref['obj']==dragObject)indexCurrentDragObject=no; if(no if(ref['obj']==dragObject && useRectangle)Continue; if(x > ref['left'] && y>ref['top'] && x if(!useRectangle &&ragableObjectArray[no]['obj']==dragObject)return 'self'; if(indexCurrentDragObject==(no-1))return 'self'; return Array(dragableObjectArray[no],no); }

if(x > (ref['left'] (ref['width']/2)) && y>ref['top'] && x if(no if(no== IndexCurrentDragObject || (no==indexCurrentDragObject-1)){ return 'self'; } if(dragableObjectArray[no]['obj']!=dragObject){ return Array(dragableObjectArray[no 1],no 1); }else{ if(!useRectangle)return 'self'; if(no } }else{ if(dragableObjectArray[dragableObjectArray.length-1]['obj']!=dragObject)return 'append';

} } if(no if(x > (ref['left'] ref['width']) && y> ref['top'] && y return Array(dragableObjectArray[no 1],いいえ 1); } } } if(x>ref['left'] && y>(ref['top'] ref['height']))return 'append'; false を返します。 }

関数 initDrag(e) { if(document.all)e = イベント; mouse_x = e.clientX; mouse_y = e.clientY; if(!documentScrollHeight)documentScrollHeight = document.documentElement.scrollHeight 100; el_x = getLeftPos(this)/1; el_y = getTopPos(this)/1; dragObject = this; if(useRectangle){ rectangleDiv.style.width = this.clientWidth - (rectangleBorderWidth*2) 'px'; rectangleDiv.style.height = this.clientHeight - (rectangleBorderWidth*2) 'px'; rectangleDiv.className = this.className; }else{ insertionMarkerLine.style.width = '6px'; } dragDropTimer = 0; dragObjectNextObj = false; if(this.nextSibling){ dragObjectNextObj = this.nextSibling; if(!dragObjectNextObj.tagName)dragObjectNextObj =ragObjectNextObj.nextSibling; } initDragTimer(); false を返します。 }

関数 initDragTimer() { if(dragDropTimer>=0 &&ragDropTimerdragDropTimer ; setTimeout('initDragTimer()',5); 戻る; } if(dragDropTimer==10){

if(useRectangle){ dragObject.style.opacity = 0.5; dragObject.style.filter = 'alpha(opacity=50)'; dragObject.style.cursor = 'デフォルト'; }else{ var newObject =ragObject.cloneNode(true); dragDropMoveLayer.appendChild(newObject); } } }

mouse_y = Mouse_y - 方向; if(useRectangle){ dragObject.style.top = (el_y - Mouse_y yPos) 'px'; }else{ dragDropMoveLayer.style.top = (el_y - Mouse_y yPos) 'px'; } }else{ autoScrollActive = false; } } if(autoScrollActive)setTimeout('autoScroll(' 方向 ',' yPos ')',5); }

function moveDragableElement(e) { if(document.all)e = イベント;

if(dragDropTimerif(!allowRectangleMove)return false;

if(e.clientY(documentHeight-50)){ if(e.clientYautoScrollActive = true ; autoScroll((autoScrollSpeed*-1),e.clientY); }

if(e.clientY>(documentHeight-50) && document.documentElement.scrollHeight autoScrollActive = true; autoScroll(autoScrollSpeed,e.clientY); } }else{ autoScrollActive = false; } if(useRectangle){ if(dragObject.style.position!='absolute'){ dragObject.style.position = 'absolute'; setTimeout('repositionDragObjectArray()',50); } }

if(useRectangle){ rectangleDiv.style.display='block'; }else{ insertionMarkerDiv.style.display='block'; dragDropMoveLayer.style.display='block'; }

if(useRectangle){ dragObject.style.left = (el_x - Mouse_x e.clientX Math.max(document.body.scrollLeft,document.documentElement.scrollLeft)) 'px '; dragObject.style.top = (el_y - Mouse_y e.clientY) 'px'; }else{ dragDropMoveLayer.style.left = (el_x - Mouse_x e.clientX Math.max(document.body.scrollLeft,document.documentElement.scrollLeft)) 'px'; dragDropMoveLayer.style.top = (el_y - Mouse_y e.clientY) 'px'; } dest = getObjectFromPosition(e.clientX Math.max(document.body.scrollLeft,document.documentElement.scrollLeft),e.clientY Math.max(document.body.scrollTop,document.documentElement.scrollTop) );

if(dest!==false && dest!='append' && dest!='self'){ destinationObj = dest[0];

if(currentDest!==destinationObj){ currentDest = destinationObj; if(useRectangle){ destinationObj['obj'].parentNode.insertBefore(rectangleDiv,destinationObj['obj']); repositionDragObjectArray(); }else{ if(dest[1]>0 && (dragableObjectArray[dest[1]-1]['obj'].offsetLeftragableObjectArray[dest[1]-1]['width']ragObject.offsetWidth) insertionMarkerDiv.style.left = (getLeftPos(dragableObjectArray[dest[1]-1]['obj'])ragableObjectArray[dest[1]-1]['width'] 2) 'px '; insertionMarkerDiv.style.top = (getTopPos(dragableObjectArray[dest[1]-1]['obj']) - 2) 'px'; insertionMarkerLine.style.height =ragableObjectArray[dest[1]-1]['height'] 'px'; }else{ insertionMarkerDiv.style.left = (getLeftPos(destinationObj['obj']) - 8) 'px'; insertionMarkerDiv.style.top = (getTopPos(destinationObj['obj']) - 2) 'px'; insertionMarkerLine.style.height = destinationObj['height'] 'px'; }

} } }

if(dest=='self' || !dest){ insertionMarkerDiv.style.display ='なし'; destinationObj = dest; }

if(dest=='append'){ if(useRectangle){ dragableElementsParentBox.appendChild(rectangleDiv); dragableElementsParentBox.appendChild(document.getElementById('clear')); }else{ var tmpRef =ragableObjectArray[dragableObjectArray.length-1]; insertionMarkerDiv.style.left = (getLeftPos(tmpRef['obj']) 2) tmpRef['width'] 'px'; insertionMarkerDiv.style.top = (getTopPos(tmpRef['obj']) - 2) 'px'; insertionMarkerLine.style.height = tmpRef['height'] 'px'; } destinationObj = dest; repositionDragObjectArray(); }

if(useRectangle && !dest){ destinationObj = currentDest; }

allowRectangleMove = false; setTimeout('allowRectangleMove=true',50); }

function stop_dragDropElement() { dragDropTimer = -1;

if(destinationObj && destinationObj!='append' && destinationObj!='self'){ destinationObj['obj'].parentNode.insertBefore(dragObject,destinationObj['obj']); } if(destinationObj=='append'){ dragableElementsParentBox.appendChild(dragObject); dragableElementsParentBox.appendChild(document.getElementById('clear')); }

if(dragObject && useRectangle){ dragObject.style.opacity = 1; dragObject.style.filter = 'alpha(opacity=100)'; dragObject.style.cursor = '移動'; dragObject.style.position='static'; } rectangleDiv.style.display='none'; insertionMarkerDiv.style.display='none'; dragObject = false; currentDest = false; resetObjectArray(); destinationObj = false; if(dragDropMoveLayer){ dragDropMoveLayer.style.display='none'; dragDropMoveLayer.innerHTML=''; } autoScrollActive = false; documentScrollHeight = document.documentElement.scrollHeight 100; }

関数 cancelEvent() { return false; }

function repositionDragObjectArray() { for(var no=0;no ref =ragableObjectArray[no]; ref['left'] = getLeftPos(ref['obj']); ref['top'] = getTopPos(ref['obj']); } documentScrollHeight = document.documentElement.scrollHeight 100; documentHeight = document.documentElement.clientHeight; }

関数 restartObjectArray() { dragableObjectArray.length=0; var subDivs =ragableElementsParentBox.getElementsByTagName('*'); var countEl = 0;

for(var no=0;no var attr = subDivs[no].getAttribute('dragableBox'); if(opera)attr = subDivs[no].dragableBox; if(attr=='true'){ varindex =ragableObjectArray.length; dragableObjectArray[index] = new Array(); ref = ドラッグ可能なオブジェクト配列[インデックス]; ref['obj'] = subDivs[no]; ref['width'] = subDivs[no].offsetWidth; ref['height'] = subDivs[no].offsetHeight; ref['left'] = getLeftPos(subDivs[no]); ref['top'] = getTopPos(subDivs[no]); ref['index'] = countEl; カウントEl ; } } }

function initdragableElements() { dragableElementsParentBox = document.getElementById('dragableElementsParentBox'); insertionMarkerDiv = document.getElementById('insertionMarker'); insertionMarkerLine = document.getElementById('insertionMarkerLine'); dragableAreaWidth =ragableElementsParentBox.offsetWidth; if(!useRectangle){ dragDropMoveLayer = document.createElement('DIV'); dragDropMoveLayer.id = 'dragDropMoveLayer'; document.body.appendChild(dragDropMoveLayer); }

var subDivs = dragableElementsParentBox.getElementsByTagName('*'); var countEl = 0; for(var no=0;no var attr = subDivs[no].getAttribute('dragableBox'); if(opera)attr = subDivs[no].dragableBox; if(attr=='true'){ subDivs[no].style.cursor='move'; subDivs[no].onmousedown = initDrag; var index = dragableObjectArray.length; dragableObjectArray[index] = new Array(); ref = dragableObjectArray[index]; ref['obj'] = subDivs[no]; ref['width'] = subDivs[no].offsetWidth; ref['height'] = subDivs[no].offsetHeight; ref['left'] = getLeftPos(subDivs[no]); ref['top'] = getTopPos(subDivs[no]); ref['index'] = countEl; countEl++; } } rectangleDiv = document.createElement('DIV'); rectangleDiv.id='rectangle'; rectangleDiv.style.display='none'; dragableElementsParentBox.appendChild(rectangleDiv); document.body.onmousemove = moveDragableElement; document.body.onmouseup = stop_dragDropElement; document.body.onselectstart = cancelSelectionEvent; document.body.ondragstart = cancelEvent; window.onresize = repositionDragObjectArray; documentHeight = document.documentElement.clientHeight; }

window.onload = initdragableElements;

Heading 1 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.

Heading 2 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.

Heading 3 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.

Heading 4 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.

Heading 5 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.

Heading 6 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast.

Heading 7 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.

Heading 8 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.

Heading 9 Splendida porro oculi fugitant vitantque tueri. sol etiam caecat, contra si tendere pergas,propterea quia vis magnast ipsius et altea?ra per purum simulacra ferunturet feriunt oculos turbantia composituras.