| Admin Admin |
Anzahl der Beiträge : 41 Anmeldedatum : 06.07.11 Alter : 56
| Thema: Funktion der Farbauswahl (Color Picker) Fr 15 Jun 2012, 01:37 by Admin Beitrags ID: #41 |
|
| In diesem Forum ist es möglich das die Normale Farbauswahl durch ein anderes Feld erstzt wird. Das sieht dann so aus: Hier ist es nun möglich jede erdenkliche Farbe auszuwählen. Mit der Maus kann die Farbe des Textes Ausgewählt werden. Diese wird dann in dem Vorschaufenster rechts neben dem Auswahlfeld angezeigt. Wenn man dann unten rechts auf das Runde Symbol mir dem Farbkreis Klichkt wird die Gewählte Farbe Übernommen.Man kann auch einen schon geschriebenen Text um färben, in dem man diesen Markiert und dann die Neue Farbe im Fenster auswählt. Das ist ein Testsatz:So wird solch ein Color Picker eingestetzt: Solch ein Colorpicker ist ganz flott eingebaut. Dazu braucht man keine Templates, sondern kann das einfach über ein Script einsetzen. Zuerst setzt du folgendes in dein CSS: - Code:
-
.colorpicker { width: 356px; height: 176px; overflow: hidden; position: absolute; background: url(http://tinyurl.com/colorpickerimg/colorpicker_background.png); font-family: Arial, Helvetica, sans-serif; display: none; } .colorpicker_color { width: 150px; height: 150px; left: 14px; top: 13px; position: absolute; background: #f00; overflow: hidden; cursor: crosshair; } .colorpicker_color div { position: absolute; top: 0; left: 0; width: 150px; height: 150px; background: url(http://tinyurl.com/colorpickerimg/colorpicker_overlay.png); } .colorpicker_color div div { position: absolute; top: 0; left: 0; width: 11px; height: 11px; overflow: hidden; background: url(http://tinyurl.com/colorpickerimg/colorpicker_select.gif); margin: -5px 0 0 -5px; } .colorpicker_hue { position: absolute; top: 13px; left: 171px; width: 35px; height: 150px; cursor: n-resize; } .colorpicker_hue div { position: absolute; width: 35px; height: 9px; overflow: hidden; background: url(http://tinyurl.com/colorpickerimg/colorpicker_indic.gif) left top; margin: -4px 0 0 0; left: 0px; } .colorpicker_new_color { position: absolute; width: 60px; height: 30px; left: 213px; top: 13px; background: #f00; } .colorpicker_current_color { position: absolute; width: 60px; height: 30px; left: 283px; top: 13px; background: #f00; } .colorpicker input { background-color: transparent; border: 1px solid transparent; position: absolute; font-size: 10px; font-family: Arial, Helvetica, sans-serif; color: #898989; top: 4px; right: 11px; text-align: right; margin: 0; padding: 0; height: 11px; } .colorpicker_hex { position: absolute; width: 72px; height: 22px; background: url(http://tinyurl.com/colorpickerimg/colorpicker_hex.png) top; left: 212px; top: 142px; } .colorpicker_hex input { right: 6px; } .colorpicker_field { height: 22px; width: 62px; background-position: top; position: absolute; } .colorpicker_field span { position: absolute; width: 12px; height: 22px; overflow: hidden; top: 0; right: 0; cursor: n-resize; } .colorpicker_rgb_r { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_rgb_r.png); top: 52px; left: 212px; } .colorpicker_rgb_g { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_rgb_g.png); top: 82px; left: 212px; } .colorpicker_rgb_b { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_rgb_b.png); top: 112px; left: 212px; } .colorpicker_hsb_h { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_hsb_h.png); top: 52px; left: 282px; } .colorpicker_hsb_s { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_hsb_s.png); top: 82px; left: 282px; } .colorpicker_hsb_b { background-image: url(http://tinyurl.com/colorpickerimg/colorpicker_hsb_b.png); top: 112px; left: 282px; } .colorpicker_submit { position: absolute; width: 22px; height: 22px; background: url(http://tinyurl.com/colorpickerimg/colorpicker_submit.png) top; left: 322px; top: 142px; overflow: hidden; } .colorpicker_focus { background-position: center; } .colorpicker_hex.colorpicker_focus { background-position: bottom; } .colorpicker_submit.colorpicker_focus { background-position: bottom; } .colorpicker_slider { background-position: bottom; }
Dann erstellst du dazu eine HTML-Seite in deinem Forum, wo du folgendes einsetzt: (der Titel der HTML-Seite ist beliebig wählbar) - Code:
-
$(document).ready(function(){ if($('#color').length==0) return; /** * * Color picker * Author: Stefan Petre www.eyecon.ro * * Dual licensed under the MIT and GPL licenses * */ (function ($) { var ColorPicker = function () { var ids = {}, inAction, charMin = 65, visible, tpl = '<div class="colorpicker"><div class="colorpicker_color"><div><div></div></div></div><div class="colorpicker_hue"><div></div></div><div class="colorpicker_new_color"></div><div class="colorpicker_current_color"></div><div class="colorpicker_hex"><input type="text" maxlength="6" size="6" /></div><div class="colorpicker_rgb_r colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_g colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_h colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_s colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_submit"></div></div>', defaults = { eventName: 'click', onShow: function () {}, onBeforeShow: function(){}, onHide: function () {}, onChange: function () {}, onSubmit: function () {}, color: 'ff0000', livePreview: true, flat: false }, fillRGBFields = function (hsb, cal) { var rgb = HSBToRGB(hsb); $(cal).data('colorpicker').fields .eq(1).val(rgb.r).end() .eq(2).val(rgb.g).end() .eq(3).val(rgb.b).end(); }, fillHSBFields = function (hsb, cal) { $(cal).data('colorpicker').fields .eq(4).val(hsb.h).end() .eq(5).val(hsb.s).end() .eq(6).val(hsb.b).end(); }, fillHexFields = function (hsb, cal) { $(cal).data('colorpicker').fields .eq(0).val(HSBToHex(hsb)).end(); }, setSelector = function (hsb, cal) { $(cal).data('colorpicker').selector.css('backgroundColor', '#' + HSBToHex({h: hsb.h, s: 100, b: 100})); $(cal).data('colorpicker').selectorIndic.css({ left: parseInt(150 * hsb.s/100, 10), top: parseInt(150 * (100-hsb.b)/100, 10) }); }, setHue = function (hsb, cal) { $(cal).data('colorpicker').hue.css('top', parseInt(150 - 150 * hsb.h/360, 10)); }, setCurrentColor = function (hsb, cal) { $(cal).data('colorpicker').currentColor.css('backgroundColor', '#' + HSBToHex(hsb)); }, setNewColor = function (hsb, cal) { $(cal).data('colorpicker').newColor.css('backgroundColor', '#' + HSBToHex(hsb)); }, keyDown = function (ev) { var pressedKey = ev.charCode || ev.keyCode || -1; if ((pressedKey > charMin && pressedKey <= 90) || pressedKey == 32) { return false; } var cal = $(this).parent().parent(); if (cal.data('colorpicker').livePreview === true) { change.apply(this); } }, change = function (ev) { var cal = $(this).parent().parent(), col; if (this.parentNode.className.indexOf('_hex') > 0) { cal.data('colorpicker').color = col = HexToHSB(fixHex(this.value)); } else if (this.parentNode.className.indexOf('_hsb') > 0) { cal.data('colorpicker').color = col = fixHSB({ h: parseInt(cal.data('colorpicker').fields.eq(4).val(), 10), s: parseInt(cal.data('colorpicker').fields.eq(5).val(), 10), b: parseInt(cal.data('colorpicker').fields.eq(6).val(), 10) }); } else { cal.data('colorpicker').color = col = RGBToHSB(fixRGB({ r: parseInt(cal.data('colorpicker').fields.eq(1).val(), 10), g: parseInt(cal.data('colorpicker').fields.eq(2).val(), 10), b: parseInt(cal.data('colorpicker').fields.eq(3).val(), 10) })); } if (ev) { fillRGBFields(col, cal.get(0)); fillHexFields(col, cal.get(0)); fillHSBFields(col, cal.get(0)); } setSelector(col, cal.get(0)); setHue(col, cal.get(0)); setNewColor(col, cal.get(0)); cal.data('colorpicker').onChange.apply(cal, [col, HSBToHex(col), HSBToRGB(col)]); }, blur = function (ev) { var cal = $(this).parent().parent(); cal.data('colorpicker').fields.parent().removeClass('colorpicker_focus'); }, focus = function () { charMin = this.parentNode.className.indexOf('_hex') > 0 ? 70 : 65; $(this).parent().parent().data('colorpicker').fields.parent().removeClass('colorpicker_focus'); $(this).parent().addClass('colorpicker_focus'); }, downIncrement = function (ev) { var field = $(this).parent().find('input').focus(); var current = { el: $(this).parent().addClass('colorpicker_slider'), max: this.parentNode.className.indexOf('_hsb_h') > 0 ? 360 : (this.parentNode.className.indexOf('_hsb') > 0 ? 100 : 255), y: ev.pageY, field: field, val: parseInt(field.val(), 10), preview: $(this).parent().parent().data('colorpicker').livePreview }; $(document).bind('mouseup', current, upIncrement); $(document).bind('mousemove', current, moveIncrement); }, moveIncrement = function (ev) { ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val + ev.pageY - ev.data.y, 10)))); if (ev.data.preview) { change.apply(ev.data.field.get(0), [true]); } return false; }, upIncrement = function (ev) { change.apply(ev.data.field.get(0), [true]); ev.data.el.removeClass('colorpicker_slider').find('input').focus(); $(document).unbind('mouseup', upIncrement); $(document).unbind('mousemove', moveIncrement); return false; }, downHue = function (ev) { var current = { cal: $(this).parent(), y: $(this).offset().top }; current.preview = current.cal.data('colorpicker').livePreview; $(document).bind('mouseup', current, upHue); $(document).bind('mousemove', current, moveHue); }, moveHue = function (ev) { change.apply( ev.data.cal.data('colorpicker') .fields .eq(4) .val(parseInt(360*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.y))))/150, 10)) .get(0), [ev.data.preview] ); return false; }, upHue = function (ev) { fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0)); fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0)); $(document).unbind('mouseup', upHue); $(document).unbind('mousemove', moveHue); return false; }, downSelector = function (ev) { var current = { cal: $(this).parent(), pos: $(this).offset() }; current.preview = current.cal.data('colorpicker').livePreview; $(document).bind('mouseup', current, upSelector); $(document).bind('mousemove', current, moveSelector); }, moveSelector = function (ev) { change.apply( ev.data.cal.data('colorpicker') .fields .eq(6) .val(parseInt(100*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.pos.top))))/150, 10)) .end() .eq(5) .val(parseInt(100*(Math.max(0,Math.min(150,(ev.pageX - ev.data.pos.left))))/150, 10)) .get(0), [ev.data.preview] ); return false; }, upSelector = function (ev) { fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0)); fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0)); $(document).unbind('mouseup', upSelector); $(document).unbind('mousemove', moveSelector); return false; }, enterSubmit = function (ev) { $(this).addClass('colorpicker_focus'); }, leaveSubmit = function (ev) { $(this).removeClass('colorpicker_focus'); }, clickSubmit = function (ev) { var cal = $(this).parent(); var col = cal.data('colorpicker').color; cal.data('colorpicker').origColor = col; setCurrentColor(col, cal.get(0)); cal.data('colorpicker').onSubmit(col, HSBToHex(col), HSBToRGB(col), cal.data('colorpicker').el, ev); }, show = function (ev) { var cal = $('#' + $(this).data('colorpickerId')); cal.data('colorpicker').onBeforeShow.apply(this, [cal.get(0)]); var pos = $(this).offset(); var viewPort = getViewport(); var top = pos.top + this.offsetHeight; var left = pos.left; if (top + 176 > viewPort.t + viewPort.h) { top -= this.offsetHeight + 176; } if (left + 356 > viewPort.l + viewPort.w) { left -= 356; } cal.css({left: left + 'px', top: top + 'px'}); if (cal.data('colorpicker').onShow.apply(this, [cal.get(0)]) != false) { cal.show(); } $(document).bind('mousedown', {cal: cal}, hide); return false; }, hide = function (ev) { if (!isChildOf(ev.data.cal.get(0), ev.target, ev.data.cal.get(0))) { if (ev.data.cal.data('colorpicker').onHide.apply(this, [ev.data.cal.get(0)]) != false) { ev.data.cal.hide(); } $(document).unbind('mousedown', hide); } }, isChildOf = function(parentEl, el, container) { if (parentEl == el) { return true; } if (parentEl.contains) { return parentEl.contains(el); } if ( parentEl.compareDocumentPosition ) { return !!(parentEl.compareDocumentPosition(el) & 16); } var prEl = el.parentNode; while(prEl && prEl != container) { if (prEl == parentEl) return true; prEl = prEl.parentNode; } return false; }, getViewport = function () { var m = document.compatMode == 'CSS1Compat'; return { l : window.pageXOffset || (m ? document.documentElement.scrollLeft : document.body.scrollLeft), t : window.pageYOffset || (m ? document.documentElement.scrollTop : document.body.scrollTop), w : window.innerWidth || (m ? document.documentElement.clientWidth : document.body.clientWidth), h : window.innerHeight || (m ? document.documentElement.clientHeight : document.body.clientHeight) }; }, fixHSB = function (hsb) { return { h: Math.min(360, Math.max(0, hsb.h)), s: Math.min(100, Math.max(0, hsb.s)), b: Math.min(100, Math.max(0, hsb.b)) }; }, fixRGB = function (rgb) { return { r: Math.min(255, Math.max(0, rgb.r)), g: Math.min(255, Math.max(0, rgb.g)), b: Math.min(255, Math.max(0, rgb.b)) }; }, fixHex = function (hex) { var len = 6 - hex.length; if (len > 0) { var o = []; for (var i=0; i<len; i++) { o.push('0'); } o.push(hex); hex = o.join(''); } return hex; }, HexToRGB = function (hex) { var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16); return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)}; }, HexToHSB = function (hex) { return RGBToHSB(HexToRGB(hex)); }, RGBToHSB = function (rgb) { var hsb = { h: 0, s: 0, b: 0 }; var min = Math.min(rgb.r, rgb.g, rgb.b); var max = Math.max(rgb.r, rgb.g, rgb.b); var delta = max - min; hsb.b = max; if (max != 0) { } hsb.s = max != 0 ? 255 * delta / max : 0; if (hsb.s != 0) { if (rgb.r == max) { hsb.h = (rgb.g - rgb.b) / delta; } else if (rgb.g == max) { hsb.h = 2 + (rgb.b - rgb.r) / delta; } else { hsb.h = 4 + (rgb.r - rgb.g) / delta; } } else { hsb.h = -1; } hsb.h *= 60; if (hsb.h < 0) { hsb.h += 360; } hsb.s *= 100/255; hsb.b *= 100/255; return hsb; }, HSBToRGB = function (hsb) { var rgb = {}; var h = Math.round(hsb.h); var s = Math.round(hsb.s*255/100); var v = Math.round(hsb.b*255/100); if(s == 0) { rgb.r = rgb.g = rgb.b = v; } else { var t1 = v; var t2 = (255-s)*v/255; var t3 = (t1-t2)*(h%60)/60; if(h==360) h = 0; if(h<60) {rgb.r=t1; rgb.b=t2; rgb.g=t2+t3} else if(h<120) {rgb.g=t1; rgb.b=t2; rgb.r=t1-t3} else if(h<180) {rgb.g=t1; rgb.r=t2; rgb.b=t2+t3} else if(h<240) {rgb.b=t1; rgb.r=t2; rgb.g=t1-t3} else if(h<300) {rgb.b=t1; rgb.g=t2; rgb.r=t2+t3} else if(h<360) {rgb.r=t1; rgb.g=t2; rgb.b=t1-t3} else {rgb.r=0; rgb.g=0; rgb.b=0} } return {r:Math.round(rgb.r), g:Math.round(rgb.g), b:Math.round(rgb.b)}; }, RGBToHex = function (rgb) { var hex = [ rgb.r.toString(16), rgb.g.toString(16), rgb.b.toString(16) ]; $.each(hex, function (nr, val) { if (val.length == 1) { hex[nr] = '0' + val; } }); return hex.join(''); }, HSBToHex = function (hsb) { return RGBToHex(HSBToRGB(hsb)); }, restoreOriginal = function () { var cal = $(this).parent(); var col = cal.data('colorpicker').origColor; cal.data('colorpicker').color = col; fillRGBFields(col, cal.get(0)); fillHexFields(col, cal.get(0)); fillHSBFields(col, cal.get(0)); setSelector(col, cal.get(0)); setHue(col, cal.get(0)); setNewColor(col, cal.get(0)); }; return { init: function (opt) { opt = $.extend({}, defaults, opt||{}); if (typeof opt.color == 'string') { opt.color = HexToHSB(opt.color); } else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) { opt.color = RGBToHSB(opt.color); } else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) { opt.color = fixHSB(opt.color); } else { return this; } return this.each(function () { if (!$(this).data('colorpickerId')) { var options = $.extend({}, opt); options.origColor = opt.color; var id = 'collorpicker_' + parseInt(Math.random() * 1000); $(this).data('colorpickerId', id); var cal = $(tpl).attr('id', id); if (options.flat) { cal.appendTo(this).show(); } else { cal.appendTo(document.body); } options.fields = cal .find('input') .bind('keyup', keyDown) .bind('change', change) .bind('blur', blur) .bind('focus', focus); cal .find('span').bind('mousedown', downIncrement).end() .find('>div.colorpicker_current_color').bind('click', restoreOriginal); options.selector = cal.find('div.colorpicker_color').bind('mousedown', downSelector); options.selectorIndic = options.selector.find('div div'); options.el = this; options.hue = cal.find('div.colorpicker_hue div'); cal.find('div.colorpicker_hue').bind('mousedown', downHue); options.newColor = cal.find('div.colorpicker_new_color'); options.currentColor = cal.find('div.colorpicker_current_color'); cal.data('colorpicker', options); cal.find('div.colorpicker_submit') .bind('mouseenter', enterSubmit) .bind('mouseleave', leaveSubmit) .bind('click', clickSubmit); fillRGBFields(options.color, cal.get(0)); fillHSBFields(options.color, cal.get(0)); fillHexFields(options.color, cal.get(0)); setHue(options.color, cal.get(0)); setSelector(options.color, cal.get(0)); setCurrentColor(options.color, cal.get(0)); setNewColor(options.color, cal.get(0)); if (options.flat) { cal.css({ position: 'relative', display: 'block' }); } else { $(this).bind(options.eventName, show); } } }); }, showPicker: function() { return this.each( function () { if ($(this).data('colorpickerId')) { show.apply(this); } }); }, hidePicker: function() { return this.each( function () { if ($(this).data('colorpickerId')) { $('#' + $(this).data('colorpickerId')).hide(); } }); }, setColor: function(col) { if (typeof col == 'string') { col = HexToHSB(col); } else if (col.r != undefined && col.g != undefined && col.b != undefined) { col = RGBToHSB(col); } else if (col.h != undefined && col.s != undefined && col.b != undefined) { col = fixHSB(col); } else { return this; } return this.each(function(){ if ($(this).data('colorpickerId')) { var cal = $('#' + $(this).data('colorpickerId')); cal.data('colorpicker').color = col; cal.data('colorpicker').origColor = col; fillRGBFields(col, cal.get(0)); fillHSBFields(col, cal.get(0)); fillHexFields(col, cal.get(0)); setHue(col, cal.get(0)); setSelector(col, cal.get(0)); setCurrentColor(col, cal.get(0)); setNewColor(col, cal.get(0)); } }); } }; }(); $.fn.extend({ ColorPicker: ColorPicker.init, ColorPickerHide: ColorPicker.hidePicker, ColorPickerShow: ColorPicker.showPicker, ColorPickerSetColor: ColorPicker.setColor }); })(jQuery)
/** * * Color picker : added code using the color picker to change the picking color method on forumactif * */ $('#wcolor,#color').html('<div></div>');
if(my_getcookie('defaultColor')) defaulColor=my_getcookie('defaultColor'); else defaulColor='000000'; $('#color div').ColorPicker({color: defaulColor, flat: true,onSubmit: function(hsb, hex, rgb, el, ev) { my_setcookie('defaultColor',hex,1,0); bbfontstyle('[color=#'+hex+']','[/color]');selectWysiwyg(el,'color');return false }}); $('#wcolor div').ColorPicker({color: defaulColor, flat: true,onSubmit: function(hsb, hex, rgb, el, ev) { my_setcookie('defaultColor',hex,1,0); vB_Editor['text_editor'].format(ev,'constructBBcode_select_color_#'+hex,false,true); }}); }); als dritten Schritt setzt du im Adminbereich unter: Allgemeines -> Forum -> Einstellungen -> Beschreibung der Website das Script ein, das du auf der HTML-Seite gespeichert hast: - Code:
-
<script src=http://LINK ZUR HTML-SEITE></script> |
|