214 lines
7.3 KiB
JavaScript
214 lines
7.3 KiB
JavaScript
/* Functions for dynamically adding Boolean Charts fields
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* onto the Bugzilla Advanced Search Form.
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* License: Dual-license GPL 3.0+ or MPL 1.1+
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* Contributor(s): Vitaliy Filippov <vitalif@mail.ru>
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*/
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addListener(window, 'beforeunload', function()
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{
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// Save boolean charts upon window unload
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document.getElementById('boolean_chart_form_save').value = document.getElementById('boolean_chart_form').innerHTML;
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});
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onDomReady(function()
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{
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// Restore boolean charts on clicking "Back"
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var v = document.getElementById('boolean_chart_form_save').value;
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if (v)
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document.getElementById('boolean_chart_form').innerHTML = v;
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});
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function chart_add_second(btn)
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{
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var n = btn.id.substr(5, btn.id.length-9);
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// Transform <div> to <fieldset>
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var d = document.getElementById('chart'+n);
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btn.parentNode.removeChild(btn);
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var op = (n != 'R' && n.indexOf('-') < 0 ? 'and' : 'or');
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// Create <fieldset>
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var f = document.createElement('fieldset');
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f.setAttribute('id', 'chart'+n);
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f.setAttribute('class', 'chart _'+op);
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var legend_html = op.toUpperCase() +
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' <input type="button" value="+" id="chart'+n+'-btn" onclick="chart_add(this.id)" />' +
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' <input type="button" value="✘" class="chart_rm_button" id="rm'+n+'-btn" onclick="chart_rm(this)" />';
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// Create <legend>
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var l = document.createElement('legend');
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l.setAttribute('class', '_'+op);
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l.innerHTML = legend_html;
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f.appendChild(l);
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d.parentNode.insertBefore(f, d);
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d.parentNode.removeChild(d);
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while (d.childNodes.length)
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{
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f.appendChild(d.childNodes[0]);
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}
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// Add an operand
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chart_add('chart'+n+'-btn');
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}
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function chart_add_btn(d, s)
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{
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var i = document.createElement('input');
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i.setAttribute('type', 'button');
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i.setAttribute('id', d.id+'-btn');
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i.setAttribute('onclick', 'chart_add_second(this)');
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i.setAttribute('value', s);
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d.appendChild(i);
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}
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// Find next available number for div with prefix 'n'
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function chart_add_div(d, n)
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{
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var i, nd;
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for (i = 0; document.getElementById(n+i); i++) {}
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nd = document.createElement('div');
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nd.setAttribute('id', n+i);
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nd.setAttribute('class', 'chart');
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d.appendChild(nd);
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return nd;
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}
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// Copy 'fieldx-x-x' or 'typex-x-x' selectbox
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function chart_copy_select(cp_id, new_id)
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{
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var s = document.createElement('select');
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s.setAttribute('id', new_id);
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s.setAttribute('name', new_id);
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var o = document.getElementById(cp_id).options;
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for (var i = 0; i < o.length; i++)
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{
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bz_createOptionInSelect(s, o[i].text, o[i].value);
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}
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s.selectedIndex = 0;
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return s;
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}
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// Add another term into chart when clicked on button with id=btnid
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function chart_add(btnid)
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{
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var d, i, n;
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d = document.getElementById(btnid.substr(0, btnid.length-4)); // chartN-btn
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if (d.id == 'chartR')
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{
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var clr = document.createElement('div');
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clr.setAttribute('style', 'clear: both');
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d.appendChild(clr);
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d = chart_add_div(d, 'chart');
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// Add 'AND' button
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chart_add_btn(d, 'AND');
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// Add negate button
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var n = d.id.substr(5);
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var i = document.createElement('input');
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i.setAttribute('type', 'button');
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i.setAttribute('id', 'negate'+n+'-btn');
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i.setAttribute('onclick', 'chart_neg(this)');
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i.setAttribute('value', 'NOT');
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d.parentNode.appendChild(i);
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// Add hidden input for negate button
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i = document.createElement('input');
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i.setAttribute('type', 'hidden');
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i.setAttribute('name', 'negate'+n);
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i.setAttribute('id', 'negate'+n);
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document.getElementById('chartR').appendChild(i);
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}
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if (d.id.indexOf('-') < 0)
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{
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d = chart_add_div(d, d.id+'-');
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// Add 'OR' button
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chart_add_btn(d, 'OR');
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}
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d = chart_add_div(d, d.id+'-');
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var cn = d.id.substr(5);
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// Append field-type-value inputs
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d.appendChild(chart_copy_select('field0-0-0', 'field'+cn));
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d.appendChild(chart_copy_select('type0-0-0', 'type'+cn));
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s = document.createElement('input');
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s.setAttribute('id', 'value'+cn);
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s.setAttribute('name', 'value'+cn);
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s.setAttribute('size', '40');
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d.appendChild(s);
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}
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function chart_rm(btn)
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{
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var m;
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if (m = /^unneg(.*)-btn$/.exec(btn.id))
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{
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// Remove negation group
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document.getElementById('negate'+m[1]).value = '';
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var e = document.getElementById('negchart'+m[1]);
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var c = document.getElementById('chart'+m[1]);
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btn.setAttribute('id', 'negate'+m[1]+'-btn');
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btn.setAttribute('onclick', 'chart_neg(this)');
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btn.setAttribute('value', 'NOT');
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btn.setAttribute('class', '');
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e.parentNode.insertBefore(c, e);
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e.parentNode.insertBefore(btn, e);
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e.parentNode.removeChild(e);
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}
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else if (m = /^rm(.*)-btn$/.exec(btn.id))
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{
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// Remove last part of current chart
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var chartid = m[1] == 'R' ? '' : m[1]+'-';
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var i;
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for (i = 0; document.getElementById('chart'+chartid+i); i++) {}
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i--;
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if (i >= 1)
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{
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var e = document.getElementById('negchart'+chartid+i)
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|| document.getElementById('chart'+chartid+i);
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if (e.previousSibling.nodeName == 'DIV' &&
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e.previousSibling.style.clear == 'both' &&
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e.previousSibling.childNodes.length == 0)
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{
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// Remove <div style="clear: both"></div> divider
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e.parentNode.removeChild(e.previousSibling);
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}
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e.parentNode.removeChild(e);
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if (e = document.getElementById('negate'+chartid+i+'-btn'))
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e.parentNode.removeChild(e);
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if (e = document.getElementById('negate'+chartid+i))
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e.parentNode.removeChild(e);
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if (i == 1)
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{
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// Remove fieldset
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var d = document.createElement('div');
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d.setAttribute('id', 'chart'+m[1]);
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d.setAttribute('class', 'chart');
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var f = document.getElementById('chart'+m[1]);
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while (f.childNodes.length)
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{
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if (f.childNodes[0].nodeName == 'LEGEND')
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f.removeChild(f.childNodes[0]);
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else
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d.appendChild(f.childNodes[0]);
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}
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chart_add_btn(d, f.className.indexOf('_and') >= 0 ? 'AND' : 'OR');
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f.parentNode.insertBefore(d, f);
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f.parentNode.removeChild(f);
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}
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}
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}
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}
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function chart_neg(btn)
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{
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var chartid = /^negate(.*)-btn$/.exec(btn.id);
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chartid = chartid[1];
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document.getElementById('negate'+chartid).value = '1';
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btn.setAttribute('id', 'unneg'+chartid+'-btn');
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btn.setAttribute('onclick', 'chart_rm(this)');
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btn.setAttribute('value', '✘');
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var fieldset = document.createElement('fieldset');
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fieldset.setAttribute('id', 'negchart'+chartid);
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fieldset.setAttribute('class', 'chart _neg');
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var l = document.createElement('legend');
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l.setAttribute('class', '_neg');
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l.appendChild(document.createTextNode(' NOT '));
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l.appendChild(btn);
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fieldset.appendChild(l);
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var c = document.getElementById('chart'+chartid);
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c.parentNode.insertBefore(fieldset, c);
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fieldset.appendChild(c);
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}
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