I can't open the code example. Please provide a tinyUrl link. Cheers, Fritz
On Mon, 8 Aug 2011, alexandr wrote: > Thanks Derrel and Fritz! > > I tried to implement what Derrell said, below is my code. At first glance > all works fine, but sometimes changeValue event isn't raised, I think it > because of I change the value inside handler of changeValue event (maybe > not...). For example, try to input "12...". Can you help me? > > The code is > http://demo.qooxdoo.org/devel/playground/#%7B%22code%22%3A%22qx.Class.define%28%2522MoneyTextField%2522%252C%2520%257B%250A%2520%2520extend%2520%253A%2520qx.ui.form.TextField%252C%250A%2520%2520construct%2520%253A%2520function%28%29%2520%257B%250A%2520%2520%2520%2520this.base%28arguments%29%253B%250A%2520%2520%2520%2520this.setLiveUpdate%28true%29%253B%250A%2520%2520%2520%2520this.setFilter%28%252F%255B0-9%255D%257C%255C.%252F%29%253B%250A%2520%2520%2520%2520this.addListener%28%2522changeValue%2522%252C%2520function%28e%29%2520%257B%250A%2520%2520%2520%2520%2520%2520%252F%252Falert%28%2522value%2520changed%2522%29%253B%250A%2520%2520%2520%2520%2520%2520var%2520value%2520%253D%2520this.getValue%28%29%253B%250A%2520%2520%2520%2520%2520%2520if%2520%28this.needResetValue%28value%29%29%2520%257B%250A%2520%2520%2520%2520%2520%2520%2520%2520this.setValue%28this.__previousValue%29%253B%250A%2520%2520%2520%2520%2520%2520%257D%250A%2520%2520%2520%2520%2520%2520this.__previousValue%25 20 > %253D%2520this.getValue%28%29%253B%250A%2520%2520%2520%2520%257D%252C%2520this%29%253B%250A%2520%2520%257D%252C%250A%2520%2520members%2520%253A%2520%257B%250A%2520%2520%2520%2520__previousValue%2520%253A%2520null%252C%250A%2520%2520%2520%2520%250A%2520%2520%2520%2520needResetValue%2520%253A%2520function%28value%29%2520%257B%250A%2520%2520%2520%2520%2520%2520if%2520%28value%2520%253D%253D%253D%2520null%2520%257C%257C%2520value%2520%253D%253D%253D%2520undefined%29%250A%2520%2520%2520%2520%2520%2520%2520%2520return%2520false%253B%250A%2520%2520%2520%2520%2520%2520var%2520result%2520%253D%2520false%253B%250A%2520%2520%2520%2520%2520%2520%252F%252Fallow%2520only%2520one%2520dot%253A%250A%2520%2520%2520%2520%2520%2520if%2520%28value.indexOf%28%27.%27%29%2520!%253D%2520value.lastIndexOf%28%27.%27%29%29%257B%250A%2520%2520%2520%2520%2520%2520%2520%2520%2520%2520result%2520%253D%2520true%253B%250A%2520%2520%2520%2520%2520%2520%257D%250A%2520%2520%2520%2520%2520%2520%250A%2520%2520%2 5 > 20%2520%2520%2520%252F%252Fallow%2520only%25202%2520digits%2520after%2520dot%253A%250A%2520%2520%2520%2520%2520%2520var%2520dotIndex%2520%253D%2520value.indexOf%28%2522.%2522%29%253B%250A%2520%2520%2520%2520%2520%2520if%2520%28dotIndex%2520!%253D%2520-1%29%257B%250A%2520%2520%2520%2520%2520%2520%2520%2520var%2520countAfterDot%2520%253D%2520%28value.substring%28dotIndex%252B1%252C%2520value.length%29%29.length%253B%250A%2520%2520%2520%2520%2520%2520%2520%2520if%2520%28countAfterDot%2520%253E%25202%29%250A%2520%2520%2520%2520%2520%2520%2520%2520%2520%2520result%2520%253D%2520true%253B%250A%2520%2520%2520%2520%2520%2520%257D%250A%2520%2520%2520%2520%2520%2520return%2520result%253B%250A%2520%2520%2520%2520%257D%250A%2520%2520%257D%250A%257D%29%253B%250A%252F%252F---------------------------------------------------%250Avar%2520txt%2520%253D%2520new%2520MoneyTextField%28%29%253B%250Athis.getRoot%28%29.add%28txt%252C%250A%257B%250A%2520%2520left%2520%253A%2520100%252C%250A%2520%252 0 > top%2520%2520%253A%252050%250A%257D%29%253B%22%2C%20%22mode%22%3A%22ria%22%7D > > Derrell Lipman wrote: >> >> On Mon, Aug 8, 2011 at 08:31, >> >> A regular expression can certainly match what you're discussing: >> >> /[0-9]+([0-9]{2})?/ >> >> but the "filter" regular expression matches each single character, not the >> entire entered text, so no, it can't. You can expand on Gabriel's example, >> which uses the filter and the changeValue event. If you set the >> "liveUpdate" >> property to true, then the changeValue property will be fired on each key >> press. (There is also an "input" event which is always fired on each key >> press.) I don't think there's a way at this level to prevent the character >> from being added to the field, so what you need to do is keep track of the >> value of the field, and if the new character entered is not allowed, then >> reset the field back to its previous value. >> >> Derrell >> > > > -- > View this message in context: > http://qooxdoo.678.n2.nabble.com/Keyinput-event-tp6663993p6667044.html > Sent from the qooxdoo mailing list archive at Nabble.com. > > ------------------------------------------------------------------------------ > uberSVN's rich system and user administration capabilities and model > configuration take the hassle out of deploying and managing Subversion and > the tools developers use with it. Learn more about uberSVN and get a free > download at: http://p.sf.net/sfu/wandisco-dev2dev > _______________________________________________ > qooxdoo-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel > > -- Oetiker+Partner AG tel: +41 62 775 9903 (direct) Fritz Zaucker +41 62 775 9900 (switch board) Aarweg 15 +41 79 675 0630 (mobile) CH-4600 Olten fax: +41 62 775 9905 Schweiz web: www.oetiker.ch ------------------------------------------------------------------------------ uberSVN's rich system and user administration capabilities and model configuration take the hassle out of deploying and managing Subversion and the tools developers use with it. Learn more about uberSVN and get a free download at: http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ qooxdoo-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
