描述：拖放表单元素以构建稍后将显示的表单。
需要： - input 和 textarea 表单字段在排序后需要按顺序排列 id。我需要参考问题和说明的答案。现在如果它们被排序，我不知道以后查看记录时以什么顺序显示它们。可能有更好的方法，但我现在卡住了。
- 排序问题：可排序区域在拖放事件之后才起作用。有需要立即排序的默认字段。
这是小提琴：http: //jsfiddle.net/htscraig/vhkGD/3/
<div class="vf">
<div id="edit_menu">
<p style="text-align: center; margin: -5px 5px 5px;">Form Elements Menu</p>
<button href="#" id="questions_toggle" style="margin-left: 9px;">Questions<span id="questions_status"> show</span>
</button>
<button id="answers_toggle" href="#">Answer Type<span id="answers_status"> show</span>
</button>
<button id="instructions_toggle" href="#">Instructions<span id="instructions_status"> show</span>
</button>
<div id="questions">
<div style="text-align: center;">
<h3>VF-300 Questions<h3></div>
<div class="item">
<li style="float:left, height:40px, width:200px">
<textarea class="" cols="43" rows="3"style="border: medium none; width: 240px;" name="vf300-Q1" form="GeneralVerdict">Did <? echo $all_pla;?> and <? echo $all_def;?> enter into a contract?</textarea>
</li>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item">
<li style="float:left, height:40px, width:200px">
<textarea class="mooeditable" cols="43" rows="4" style="border: medium none; width: 240px;" name="vf300-Q2" form="GeneralVerdict">[Did <? echo $all_pla;?> do all, or substantially all, of the significant things that the contract required <? echo "[him/her/it]";?> to do?</textarea>
</li>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item">
<textarea class="mooeditable" cols="43" rows="6" style="border: medium none; width: 240px;" name="vf300-Q3" form="GeneralVerdict">[or]
[Was <? echo $all_pla;?> excused from having to do all, or substantially all, of the significant things that the contract required <? echo "[him/her/it]";?> to do?</textarea>
<span class="delete"><button>Delete Line</button></span>
</div>
<hr>
</div>
<div id="answers">
<div style="text-align: center;"><h3>VF-300 Answer Formats<h3></div>
<div class="item">
<input type="radio" value="Yes" name="yes-no" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">Yes
<input type="radio" value="No" name="yes-no" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">No
<span class="delete" style="opacity: 0.7;"><button>Delete Line</button></span>
</div>
<div class="item"><span>Answer 222222</span>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item"><span>Answer 333333</span>
<span class="delete"><button>Delete Line</button></span>
</div><hr>
</div>
<div id="instructions">
<div style="text-align: center;"><h3>Juror Instructions<h3></div>
<div class="item"><textarea class="" cols="43" rows="5" style="border: medium none; width: 240px; margin-left: 15px;" name="vf300-i2" form="GeneralVerdict">If your answer to [either option for] question 2 is yes, then answer question 3. If you answered no [to both options], stop here, answer no further questions, and have the presiding juror sign and date this form.]</textarea>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item"><textarea class="" cols="43" rows="4" style="border: medium none; width: 240px; margin-left: 15px;" name="vf300-i3" form="GeneralVerdict">If your answer to question 3 is yes, then answer question 4. If you answered no, stop here, answer no further questions, and have the presiding juror sign and date this form.]</textarea>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item"><textarea class="" cols="43" rows="5" style="border: medium none; width: 240px; margin-left: 15px;" name="vf300-i4" form="GeneralVerdict">If your answer to [either option for] question 4 is yes, then answer question 5. If you answered no [to both options], stop here, answer no further questions, and have the presiding juror sign and date this form.</textarea>
<span class="delete"><button>Delete Line</button></span>
</div><hr>
</div>
</div>
<div id="edit_right">
<div class="info"><h1>CoPO Verdict Builder</h1>Drag and drop form elements in box. Drag elements into position to sort</div>
<ol>
<div id="edit_area">
<div class="item_dz" id="1">
<li style="float:left, height:40px, width:200px">
<textarea class="" cols="43" rows="3"style="border: medium none; width: 240px;" name="vf300-Q1" form="GeneralVerdict">Did <? echo $all_pla;?> and <? echo $all_def;?> enter into a contract?</textarea>
</li>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item_dz">
<input type="radio" value="Yes" name="yes-a1" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">Yes
<input type="radio" value="No" name="no-a1" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">No
<span class="delete" style="opacity: 0.7;"><button>Delete Line</button></span>
</div>
<div class="item_dz">
<li style="float:left, height:40px, width:200px">
<textarea class="" cols="43" rows="4" style="border: medium none; width: 240px;" name="vf300-Q2" form="GeneralVerdict">[Did <? echo $all_pla;?> do all, or substantially all, of the significant things that the contract required <? echo "[him/her/it]";?> to do?</textarea>
</li>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item_dz">
<input type="radio" value="Yes" name="yes-a2" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">Yes
<input type="radio" value="No" name="no-a2" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">No
<span class="delete" style="opacity: 0.7;"><button>Delete Line</button></span>
</div>
<div class="item_dz">
<textarea class="" cols="43" rows="6" style="border: medium none; width: 240px; margin-left: 15px;" name="vf300-Q3" form="GeneralVerdict">[or]
[Was <? echo $all_pla;?> excused from having to do all, or substantially all, of the significant things that the contract required <? echo "[him/her/it]";?> to do?</textarea>
<span class="delete"><button>Delete Line</button></span>
</div>
<div class="item_dz">
<input type="radio" value="Yes" name="yes-a2b" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">Yes
<input type="radio" value="No" name="no-a2b" style="width: 20px ! important; margin-left: 30px; margin-bottom: 4px;">No
<span class="delete" style="opacity: 0.7;"><button>Delete Line</button></span>
</div>
<div class="item_dz"><textarea class="" cols="43" rows="5" style="border: medium none; width: 240px; margin-left: 15px;" name="vf300-i2" form="GeneralVerdict">If your answer to [either option for] question 2 is yes, then answer question 3. If you answered no [to both options], stop here, answer no further questions, and have the presiding juror sign and date this form.]</textarea>
<span class="delete"><button>Delete Line</button></span>
</div>
</div>
</div>
</ol>
</div>
window.addEvent('domready', function () {
$$('.item').addEvent('mousedown', function (event) {
if (event.target == this.getParent().getElement('.delete button')) return;
event.stop();
// `this` refers to the element with the .item class
var item = this;
var clone = item.clone().setStyles(item.getCoordinates()).setStyles({
opacity: 0.7,
position: 'absolute'
}).inject(document.body);
var drag = new Drag.Move(clone, {
droppables: $('edit_area'),
onDrop: function (element, droppable) {
if (!droppable) {
item.removeClass('item_dz');
item.addClass('item');
item.tween('background-color', '#c0c0c0', '#fff');
} else {
item.removeClass('item');
item.addClass('item_dz');
item.clone().inject(edit_area);
edit_area.highlight('#4679BD', '#AFD2FF');
item.removeClass('item_dz');
item.addClass('item');
var mySortables = new Sortables('', {
clone: true,
opacity: 0.4,
});
setTimeout(function () {
mySortables.addLists(edit_area);
}, 1);
}
element.dispose();
},
onEnter: function (dragging, edit_area) {
edit_area.tween('background-color', '#9FFF8F');
},
onLeave: function (dragging, edit_area) {
edit_area.tween('background-color', '#fff');
},
onCancel: function (dragging) {
dragging.destroy();
edit_area.tween('background-color', '#fff');
}
});
drag.start(event);
});
$$('.delete').addEvents({
mouseover: function () {
this.tween('opacity', '1');
this.getParent(['.item_dz']).fade(0.3);
this.getParent(['.item_dz']).tween('background-color', '#fff', '#FF9F9F');
},
mouseleave: function () {
this.tween('opacity', '0.7');
this.getParent(['.item_dz']).fade(1);
this.getParent(['.item_dz']).tween('background-color', '#FF9F9F', '#fff');
}
});
// start delegation relays
window.addEvent('click:relay(.delete)', function () {
if (confirm('Delete this line item?')) {
this.getParent(['.item_dz']).destroy();
this.destroy();
} else {
// Do nothing
}
})
window.addEvent('mouseover:relay(.delete)', function () {
this.tween('opacity', '1');
this.getParent(['.item_dz']).fade(0.3);
this.getParent(['.item_dz']).tween('background-color', '#fff', '#FF9F9F');
})
window.addEvent('mouseleave:relay(.delete)', function () {
this.tween('opacity', '0.7');
this.getParent(['.item_dz']).fade(1);
this.getParent(['.item_dz']).tween('background-color', '#FF9F9F', '#fff');
})
//end delegation relays
// menu toggle menus start
var status = {
'true': ' show',
'false': ' hide'
};
// questions slide start
var questionsSlide = new Fx.Slide('questions');
// set default slide as hidden
questionsSlide.hide();
$('questions_toggle').addEvent('click', function (event) {
event.stop();
questionsSlide.toggle();
$('questions_status').set('text', status[questionsSlide.open]);
});
// questions slide end
// answers slide start
var answersSlide = new Fx.Slide('answers');
// set default slide as hidden
answersSlide.hide();
$('answers_toggle').addEvent('click', function (event) {
event.stop();
answersSlide.toggle();
$('answers_status').set('text', status[answersSlide.open]);
});
// answers slide end
// instructions slide start
var instructionsSlide = new Fx.Slide('instructions');
// set default slide as hidden
instructionsSlide.hide();
$('instructions_toggle').addEvent('click', function (event) {
event.stop();
instructionsSlide.toggle();
$('instructions_status').set('text', status[instructionsSlide.open]);
});
// instructions slide end
// menu toggle menus end
$('textarea').mooEditable();
});