PHP Classes

File: pub/js/common.js

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File: pub/js/common.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Tiny PHP Address Book
Manage address book stored in a database with PDO
Author: By
Last change:
Date: 5 years ago
Size: 6,587 bytes
 

Contents

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/** * common functions/classes * * @package Application * @author Vallo Reima * @copyright (C)2013 */ function Forms(fid) /* * form fields processing class * in: fid - form id */ { var fields = {}; /* field properties */ var that = this; /* constructor */ that.Init = function(flds) { var dfe = $(fid).elements; for (var i = 0; i < dfe.length; i++) { var id = dfe[i].id; if (id) { fields[id] = { obj: dfe[i], tpe: dfe[i].type.toLowerCase(), err: '', val: dfe[i].value }; var lbl = $('l_' + id); if (lbl) { fields[id].lbl = lbl; } if (IsSet(flds[id])) { fields[id].fnc = flds[id]; } } } Events(true); }; that.Term = function() { Events(false); }; Events = function(flg) { var fnc = flg ? AttachEventListener : DetachEventListener; for (var id in fields) { if (fields[id].tpe === 'button') { var evt = 'click'; } else if (fields[id].tpe !== 'hidden') { evt = 'change'; } else { evt = ''; } if (evt !== '') { fnc(fields[id].obj, evt, GetEvent); } } }; that.Gets = function() { return fields; }; that.Get = function(id) { return fields[id].val; }; that.Set = function(id, val) { SetValue(id, val); }; that.SetError = function(id, flg) { fields[id].err = flg ? flg : ''; ErrFlag(id, flg); }; that.Enable = function(flg) /* * enable/disable form element * in: flg -- true - enable */ { for (var c in fields) { EnaDisa(fields[c].obj, flg); } }; var EnaDisa = function(obj, flg) /* * enable/disable form element * in: obj -- element object * flg -- true - enable */ { if (flg === true) { obj.removeAttribute('disabled'); obj.disabled = false; } else { obj.setAttribute('disabled', 'disabled'); obj.disabled = true; } }; var GetEvent = function(event) /* * process field chage/click * in: event object */ { var trg = Target(event); if (trg.tagName.toLowerCase() === 'img') { trg = trg.parentNode; /* Chrome, Safari */ } var id = trg.id; if (fields[id].tpe !== 'button') { SetValue(id); } if (fields[id].lbl) { ErrFlag(id); } if (fields[id].fnc) { fields[id].fnc(id); } StopEvent(event); }; var SetValue = function(id, val) /* * Setting field value * in: id - field id * val - value (if not set, take from obj) */ { if (fields[id].tpe.indexOf('select') + 1) { var c = IsSet(val) ? val : fields[id].obj.options[fields[id].obj.selectedIndex].value; var k = -1; fields[id].idx = -1; for (var i = 0; i < fields[id].obj.options.length; i++) { if (fields[id].obj.options[i].value === c) { fields[id].idx = i; fields[id].obj.options[i].setAttribute('selected', 'selected'); } else if (fields[id].obj.options[i].value === fields[id].val) { fields[id].obj.options[i].removeAttribute('selected'); } if (fields[id].obj.options[i].value === '') { k = i; } } if (fields[id].idx === -1) { c = ''; fields[id].idx = k === -1 ? 0 : k; } fields[id].obj.selectedIndex = 0; /* FF mess */ fields[id].obj.selectedIndex = fields[id].idx; /* setTimeout(function(){ fields[id].obj.selectedIndex = fields[id].idx; },100); */ fields[id].val = c; fields[id].txt = fields[id].obj.options[fields[id].idx].text; } else if (fields[id].tpe !== 'button') { fields[id].val = Trim(IsSet(val) ? val + '' : fields[id].obj.value); if (IsBlank(fields[id].val)) { fields[id].val = ''; } fields[id].obj.setAttribute('value', fields[id].val); fields[id].obj.value = fields[id].val; } }; var ErrFlag = function(id, flg) /* set field error flag * in: id - field id * flg -- empty - ok * else error */ { if (fields[id].lbl) { if (Empty(flg)) { fields[id].lbl.style.color = ''; } else { fields[id].lbl.style.color = 'red'; } } }; } function NormName(nme) /* * normalise person name * in: nme - name entered * out: normalized */ { var c = ''; if (!IsBlank(nme)) { var s = nme.indexOf('-') + 1 ? '-' : ' '; var a = Trim(nme).split(s); for (var i = 0; i < a.length; i++) { c += s + ucfirst(a[i].toLowerCase()); } c = c.substr(1); } return c; } function XHRJSON(url, par, ops) /* * read data thru XHR * in: url -- request URL * par -- parameters object * ops -- fnc - callback * mid - meters id * out: null -- error * array - response */ { var obj = GetHTTPObject(); var Response = function() { if (obj.status === 200 || obj.status === 304) { var rlt = obj.responseText; try { var r = JSON.parse(rlt); } catch (e) { if (Empty(rlt)) { r = null; } else { document.body.innerHTML = rlt; } } return r; } }; var dts = ''; var MeterOn = function() { dts += '.'; if (dts.length > 3) { dts = ''; } ops.mtr.innerHTML = ops.txt + Pad(dts, 3, '&nbsp;'); }; var MeterOff = function() { clearInterval(mtr); ops.mtr.innerHTML = ''; }; var mtr = setInterval(MeterOn, 200); if (ops.asn) { obj.onreadystatechange = function() { if (obj.readyState === 4) { MeterOff(); ops.fnc(Response(), par); } }; } obj.open('POST', url, ops.asn); obj.setRequestHeader("Content-Type", "application/json"); obj.send(JSON.stringify(par)); if (!ops.asn) { MeterOff(); return Response(); } }